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MIL-DTL-38999 Series II Circular Connectors

Amphenol Aerospace MIL-DTL-38999 Series II consists of subminiature circular connectors designed to offer high reliability and high contact density with maximum weight and space savings. Amphenol MIL-DTL-38999 Series II Circular Connectors feature a lightweight, space-saving design, 3-point bayonet lock system, and error-proof alternate positioning. Amphenol Aerospace MIL-DTL-38999 Series II Circular Connectors are ideally suited for industrial applications, military and commercial air, military vehicles, missiles and ordnance, and C4ISR.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Circular MIL Spec Connector 10P SZ 12 PLUG CBL MNT PIN MS27473T12B98P Amphenol Aerospace 1: 69,72 € 1In Stock	Mfr. Part No. MS27473T12B98P Mouser Part No 654-MS27473T12B98P	Amphenol Aerospace	Circular MIL Spec Connector 10P SZ 12 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	1In Stock	69,72 € 60,27 € 45,28 € 45,14 € Quote Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector Plug10 SZ 12 SOC MS27473T12B98SA Amphenol Aerospace 1: 57,89 € 13In Stock	Mfr. Part No. MS27473T12B98SA Mouser Part No 654-MS27473T12B98SA	Amphenol Aerospace	Circular MIL Spec Connector Plug10 SZ 12 SOC Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	13In Stock	57,89 € 50,20 € 44,12 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN MS27473T12F35P Amphenol Aerospace 1: 115,43 € 18In Stock	Mfr. Part No. MS27473T12F35P Mouser Part No 654-MS27473T12F35P	Amphenol Aerospace	Circular MIL Spec Connector 22P 12 SIZE STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	18In Stock	115,43 € 98,80 € 69,26 € 66,57 € 47,72 €	Min.: 1 Mult.: 1
Circular MIL Spec Connector 3P SZ 12 PLUG CBL MNT SKT MS27473T12F3S Amphenol Aerospace 1: 60,62 € 15In Stock 100Expected 11/20/2026	Mfr. Part No. MS27473T12F3S Mouser Part No 654-MS27473T12F3S	Amphenol Aerospace	Circular MIL Spec Connector 3P SZ 12 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	15In Stock 100Expected 11/20/2026	60,62 € 52,90 € 48,72 € 41,86 € 41,63 €	Min.: 1 Mult.: 1
Circular MIL Spec Connector 37P SZ 14 PLUG CBL MNT PIN MS27473T14B35P Amphenol Aerospace 1: 107,62 € 1In Stock	Mfr. Part No. MS27473T14B35P Mouser Part No 654-MS27473T14B35P	Amphenol Aerospace	Circular MIL Spec Connector 37P SZ 14 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	1In Stock	107,62 € 90,67 € 82,71 € 80,70 € View 79,68 € Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector size 14 37 pin straight plug MS27473T14B35S Amphenol Aerospace 1: 100,92 € 5In Stock 100Expected 11/30/2026	Mfr. Part No. MS27473T14B35S Mouser Part No 654-MS27473T14B35S	Amphenol Aerospace	Circular MIL Spec Connector size 14 37 pin straight plug Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	5In Stock 100Expected 11/30/2026	100,92 € 84,60 € 74,87 € 67,66 € View 59,99 € Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN MS27473T14B37P Amphenol Aerospace 1: 68,08 € 2In Stock	Mfr. Part No. MS27473T14B37P Mouser Part No 654-MS27473T14B37P	Amphenol Aerospace	Circular MIL Spec Connector 37P 14 SIZE STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	2In Stock	68,08 € 59,42 € 58,31 € 57,73 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT SKT MS27473T14F18S Amphenol Aerospace 1: 123,01 € 3In Stock	Mfr. Part No. MS27473T14F18S Mouser Part No 654-MS27473T14F18S	Amphenol Aerospace	Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	123,01 € 97,37 € 90,27 € 87,45 €	Min.: 1 Mult.: 1
Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT MS27473T16A35S Amphenol Aerospace 1: 177,31 € 3In Stock	Mfr. Part No. MS27473T16A35S Mouser Part No 654-MS27473T16A35S	Amphenol Aerospace	Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	177,31 € 111,58 € 107,14 € 79,53 € 74,88 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT MS27473T16F35S Amphenol Aerospace 1: 153,22 € 1In Stock	Mfr. Part No. MS27473T16F35S Mouser Part No 654-MS27473T16F35S	Amphenol Aerospace	Circular MIL Spec Connector 55P SZ 16 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	1In Stock	153,22 € 91,80 € 84,86 € 79,64 € View 78,28 € Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector 55P Sz 16 Crimp Strt Cable Mount Plug MS27473T16F55S Amphenol Aerospace 1: 162,94 € 5In Stock	Mfr. Part No. MS27473T16F55S Mouser Part No 654-MS27473T16F55S	Amphenol Aerospace	Circular MIL Spec Connector 55P Sz 16 Crimp Strt Cable Mount Plug Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	5In Stock	162,94 € 106,40 € 106,39 € 92,15 €	Min.: 1 Mult.: 1
Circular MIL Spec Connector 11P SZ 18 PLUG CBL MNT PIN MS27473T18B11P Amphenol Aerospace 1: 60,76 € 1In Stock	Mfr. Part No. MS27473T18B11P Mouser Part No 654-MS27473T18B11P	Amphenol Aerospace	Circular MIL Spec Connector 11P SZ 18 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	1In Stock	60,76 € 59,08 € 58,49 € 54,81 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 32P SZ 18 PLUG CBL MNT SKT MS27473T18B32SA Amphenol Aerospace 1: 87,03 € 7In Stock 100Expected 11/2/2026	Mfr. Part No. MS27473T18B32SA Mouser Part No 654-MS27473T18B32SA	Amphenol Aerospace	Circular MIL Spec Connector 32P SZ 18 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	7In Stock 100Expected 11/2/2026	87,03 € 79,37 € 76,32 € 73,77 € View 69,71 € Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN MS27473T18B35PB Amphenol Aerospace 1: 88,03 € 45In Stock	Mfr. Part No. MS27473T18B35PB Mouser Part No 654-MS27473T18B35PB	Amphenol Aerospace	Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	45In Stock	88,03 € 80,28 € 77,19 € 74,61 € View 70,50 € Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT SKT MS27473T18B35S Amphenol Aerospace 1: 108,30 € 2In Stock	Mfr. Part No. MS27473T18B35S Mouser Part No 654-MS27473T18B35S	Amphenol Aerospace	Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	2In Stock	108,30 € 82,09 € 81,50 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN MS27473T18F35P Amphenol Aerospace 1: 87,11 € 5In Stock	Mfr. Part No. MS27473T18F35P Mouser Part No 654-MS27473T18F35P	Amphenol Aerospace	Circular MIL Spec Connector 66P SZ 18 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	5In Stock	87,11 € 78,33 € 77,75 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 53P SZ 18 PLUG CBL MNT PIN MS27473T18F53P Amphenol Aerospace 1: 215,89 € 3In Stock	Mfr. Part No. MS27473T18F53P Mouser Part No 654-MS27473T18F53P	Amphenol Aerospace	Circular MIL Spec Connector 53P SZ 18 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	215,89 € 168,31 €	Min.: 1 Mult.: 1
Circular MIL Spec Connector 128P SZ 24 PLUG CBL MNT SKT MS27473T24B35S Amphenol Aerospace 1: 144,36 € 8In Stock	Mfr. Part No. MS27473T24B35S Mouser Part No 654-MS27473T24B35S	Amphenol Aerospace	Circular MIL Spec Connector 128P SZ 24 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	8In Stock	144,36 € 142,21 € 133,31 € 131,91 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN MS27473T8A35P Amphenol Aerospace 1: 77,04 € 6In Stock	Mfr. Part No. MS27473T8A35P Mouser Part No 654-MS27473T8A35P	Amphenol Aerospace	Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	6In Stock	77,04 € 63,55 € 49,59 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN MS27473T8F35P Amphenol Aerospace 1: 89,84 € 23In Stock 100Expected 1/21/2027	Mfr. Part No. MS27473T8F35P Mouser Part No 654-MS27473T8F35P	Amphenol Aerospace	Circular MIL Spec Connector 6P SIZE 8 STRAIGHT PLUG PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	23In Stock 100Expected 1/21/2027	89,84 € 58,08 € 55,10 € 43,67 € View 43,22 € Quote	Min.: 1 Mult.: 1
Circular MIL Spec Connector RECPT 37P SZ 14 PIN MS27474E14B35P Amphenol Aerospace 1: 100,90 € 15In Stock	Mfr. Part No. MS27474E14B35P Mouser Part No 654-MS27474E14B35P	Amphenol Aerospace	Circular MIL Spec Connector RECPT 37P SZ 14 PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	15In Stock	100,90 € 73,01 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 79P SZ 20 RCPT PNL MNT SKT MS27474T20F35S Amphenol Aerospace 1: 146,17 € 3In Stock	Mfr. Part No. MS27474T20F35S Mouser Part No 654-MS27474T20F35S	Amphenol Aerospace	Circular MIL Spec Connector 79P SZ 20 RCPT PNL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	146,17 € 117,35 € 113,68 € 111,31 € 110,71 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 6P SZ 8 PNL MOUNT PIN MS27474T8B35P Amphenol Aerospace 1: 99,96 € 1In Stock	Mfr. Part No. MS27474T8B35P Mouser Part No 654-MS27474T8B35P	Amphenol Aerospace	Circular MIL Spec Connector 6P SZ 8 PNL MOUNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	1In Stock	99,96 € 88,65 € 57,53 € 57,16 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT PIN MS27484E14B18P Amphenol Aerospace 1: 164,69 € 6In Stock	Mfr. Part No. MS27484E14B18P Mouser Part No 654-MS27484E14B18P	Amphenol Aerospace	Circular MIL Spec Connector 18P SZ 14 PLUG CBL MNT PIN Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	6In Stock	164,69 € 124,77 € 102,61 € 77,93 € 75,87 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Connector 5P SZ 10 PLUG CBL MNT SKT MS27484T10B5S Amphenol Aerospace 1: 74,36 € 3In Stock	Mfr. Part No. MS27484T10B5S Mouser Part No 654-MS27484T10B5S	Amphenol Aerospace	Circular MIL Spec Connector 5P SZ 10 PLUG CBL MNT SKT Learn More about Amphenol Aerospace amphenol mil dtl 38999 ii connector	Datasheet	3In Stock	74,36 € 66,81 € 54,55 €	Min.: 1 Mult.: 1	No

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MIL-DTL-38999 Series II Circular Connectors

Types of Connectors