Circular MIL Spec Connectors

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M Series Circular Metric Connectors

Amphenol LTW M Series Circular Metric Connectors provide secure and reliable data transmission, as well and superior power transmission performance, in accordance with IEC standards. The M series includes a comprehensive product range, including M5, M8, Guided M8, M10.5, M12, 7/8", M20, and M23. Additional versions offered are push-pull, MPronto-12, and MPronto-12 push-pull connectors with a unique push-pull, fast-locking system that ensures secure, tool-free plugging. The MPronto-12 push-pull connectors are backward compatible with all female M12 1.0 sockets made by different manufacturers.

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Types of Circular MIL Spec Connectors

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Part #

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 3000mm, IP68 / IP69K

LM12A-05BFFM-SL8B03
Amphenol LTW
1: 20,37 €
8In Stock

Mfr. Part No.
LM12A-05BFFM-SL8B03

Mouser Part No
523-12A05BFFMSL8B03

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 3000mm, IP68 / IP69K

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Datasheet

8In Stock

20,37 €

18,29 €

16,19 €

15,13 €

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Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 5000mm, IP68 / IP69K

LM12A-05BFFM-SR8B05
Amphenol LTW
1: 26,38 €
4In Stock

Mfr. Part No.
LM12A-05BFFM-SR8B05

Mouser Part No
523-12A05BFFMSR8B05

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 5000mm, IP68 / IP69K

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Datasheet

4In Stock

26,38 €

22,12 €

21,02 €

20,03 €

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Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories Circular Metric Connector, Waterproof Cap, Metal, Female Connector, Screw Thread

CAP-WBDFSMA2
Amphenol LTW
1: 2,30 €
493In Stock
500Expected 10/8/2026

Mfr. Part No.
CAP-WBDFSMA2

Mouser Part No
523-CAP-WBDFSMA2

Amphenol LTW

Circular MIL Spec Tools, Hardware & Accessories Circular Metric Connector, Waterproof Cap, Metal, Female Connector, Screw Thread

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Datasheet

493In Stock

500Expected 10/8/2026

2,30 €

1,95 €

1,83 €

1,75 €

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Min.: 1
Mult.: 1

Caps

Circular MIL Spec Tools, Hardware & Accessories Circular Metric Connector, Waterproof Cap, Metal, Male Connector, Screw Thread

CAP-WBDMSMA2
Amphenol LTW
1: 2,27 €
939In Stock
2.620On Order

Mfr. Part No.
CAP-WBDMSMA2

Mouser Part No
523-CAP-WBDMSMA2

Amphenol LTW

Circular MIL Spec Tools, Hardware & Accessories Circular Metric Connector, Waterproof Cap, Metal, Male Connector, Screw Thread

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Datasheet

939In Stock

2.620On Order

2,27 €

1,98 €

1,91 €

1,89 €

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Min.: 1
Mult.: 1

Caps

Circular MIL Spec Connector Circular Metric Connector, M12 To RJ Adaptor, Metal, D Coding, 4A, 04 pins, Male Connector, Male Contact, Right Angle

RJS-12D04FM-RS8002
Amphenol LTW
1: 19,32 €
9In Stock

Mfr. Part No.
RJS-12D04FM-RS8002

Mouser Part No
523-RJS12D04FMRS8002

Amphenol LTW

Circular MIL Spec Connector Circular Metric Connector, M12 To RJ Adaptor, Metal, D Coding, 4A, 04 pins, Male Connector, Male Contact, Right Angle

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Datasheet

9In Stock

19,32 €

16,42 €

15,61 €

13,56 €

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Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

LM12A-05BFFM-SL8B01
Amphenol LTW
1: 17,35 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SL8B01

Mouser Part No
523-12A05BFFMSL8B01

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

17,35 €

14,74 €

13,82 €

12,50 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 2000mm, IP68 / IP69K

LM12A-05BFFM-SL8B02
Amphenol LTW
1: 18,60 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SL8B02

Mouser Part No
523-12A05BFFMSL8B02

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 2000mm, IP68 / IP69K

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Datasheet

Non-Stocked Lead-Time 5 Weeks

18,60 €

16,06 €

15,85 €

14,47 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

LM12A-05BFFM-SL8B04
Amphenol LTW
1: 22,50 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SL8B04

Mouser Part No
523-12A05BFFMSL8B04

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

22,50 €

20,05 €

17,85 €

16,68 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 5000mm, IP68 / IP69K

LM12A-05BFFM-SL8B05
Amphenol LTW
1: 25,35 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SL8B05

Mouser Part No
523-12A05BFFMSL8B05

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 5000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

25,35 €

21,79 €

19,20 €

18,12 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 10000mm, IP68 / IP69K

LM12A-05BFFM-SL8B10
Amphenol LTW
1: 34,41 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SL8B10

Mouser Part No
523-12A05BFFMSL8B10

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Straight, Screw Thread, Overmolded, Length 10000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

34,41 €

30,38 €

27,88 €

26,06 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

LM12A-05BFFM-SR8B01
Amphenol LTW
1: 17,76 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SR8B01

Mouser Part No
523-12A05BFFMSR8B01

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

17,76 €

15,09 €

14,15 €

13,47 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 2000mm, IP68 / IP69K

LM12A-05BFFM-SR8B02
Amphenol LTW
1: 19,03 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SR8B02

Mouser Part No
523-12A05BFFMSR8B02

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 2000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

19,03 €

16,42 €

16,20 €

14,78 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 3000mm, IP68 / IP69K

LM12A-05BFFM-SR8B03
Amphenol LTW
1: 20,79 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SR8B03

Mouser Part No
523-12A05BFFMSR8B03

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 3000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

20,79 €

18,63 €

16,50 €

15,44 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

LM12A-05BFFM-SR8B04
Amphenol LTW
1: 22,90 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SR8B04

Mouser Part No
523-12A05BFFMSR8B04

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

22,90 €

20,37 €

18,16 €

16,98 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 10000mm, IP68 / IP69K

LM12A-05BFFM-SR8B10
Amphenol LTW
1: 34,80 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BFFM-SR8B10

Mouser Part No
523-12A05BFFMSR8B10

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Female Connector, Female Contact, Right Angle, Screw Thread, Overmolded, Length 10000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

34,80 €

30,68 €

28,18 €

26,33 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

LM12A-05BMMM-SL8B01
Amphenol LTW
1: 15,19 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SL8B01

Mouser Part No
523-12A05BMMMSL8B01

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

15,19 €

12,90 €

12,09 €

11,54 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 2000mm, IP68 / IP69K

LM12A-05BMMM-SL8B02
Amphenol LTW
1: 17,36 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SL8B02

Mouser Part No
523-12A05BMMMSL8B02

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 2000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

17,36 €

14,76 €

13,83 €

13,17 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 3000mm, IP68 / IP69K

LM12A-05BMMM-SL8B03
Amphenol LTW
1: 18,37 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SL8B03

Mouser Part No
523-12A05BMMMSL8B03

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 3000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

18,37 €

16,65 €

16,43 €

14,84 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

LM12A-05BMMM-SL8B04
Amphenol LTW
1: 20,60 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SL8B04

Mouser Part No
523-12A05BMMMSL8B04

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

20,60 €

18,49 €

16,36 €

15,30 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 5000mm, IP68 / IP69K

LM12A-05BMMM-SL8B05
Amphenol LTW
1: 23,31 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SL8B05

Mouser Part No
523-12A05BMMMSL8B05

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 5000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

23,31 €

20,18 €

17,67 €

16,69 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 10000mm, IP68 / IP69K

LM12A-05BMMM-SL8B10
Amphenol LTW
1: 32,58 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SL8B10

Mouser Part No
523-12A05BMMMSL8B10

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Straight, Screw Thread, Overmolded, Length 10000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

32,58 €

28,89 €

26,42 €

24,69 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

LM12A-05BMMM-SR8B01
Amphenol LTW
1: 15,76 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SR8B01

Mouser Part No
523-12A05BMMMSR8B01

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Overmolded, Length 1000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

15,76 €

13,39 €

12,55 €

11,95 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Overmolded, Length 2000mm, IP68 / IP69K

LM12A-05BMMM-SR8B02
Amphenol LTW
1: 18,02 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SR8B02

Mouser Part No
523-12A05BMMMSR8B02

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Overmolded, Length 2000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

18,02 €

15,09 €

14,81 €

13,65 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Overmolded, Length 3000mm, IP68 / IP69K

LM12A-05BMMM-SR8B03
Amphenol LTW
1: 18,78 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SR8B03

Mouser Part No
523-12A05BMMMSR8B03

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Overmolded, Length 3000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

18,78 €

16,98 €

16,80 €

15,17 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

LM12A-05BMMM-SR8B04
Amphenol LTW
1: 21,01 €
Non-Stocked Lead-Time 5 Weeks

Mfr. Part No.
LM12A-05BMMM-SR8B04

Mouser Part No
523-12A05BMMMSR8B04

Amphenol LTW

Circular MIL Spec Connector M12 Circular Metric Connector, A Code, Metal, 4A, 05 pins, Male Connector, Male Contact, Right Angle, Screw Thread, Overmolded, Length 4000mm, IP68 / IP69K

Learn More

Datasheet

Non-Stocked Lead-Time 5 Weeks

21,01 €

18,81 €

15,87 €

15,17 €

View

Min.: 1
Mult.: 1

M Series Circular Metric Connectors

Types of Circular MIL Spec Connectors

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