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High-Speed Connectors for MIL-DTL-38999

Amphenol Aerospace High-Speed Connectors for MIL-DTL-38999 provide superior electrical performance plus shielding to eliminate interference from outside electrical sources. Amphenol offers an expansive range of contacts that provide high-speed transmission and operate in high-frequency conditions. Amphenol Aerospace High-Speed Connectors are ideal for integrating high-speed and high-frequency contacts.

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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 Contacts 38999 I III CON 8 PIN COAX 21-033102-041 Amphenol Aerospace 1: 283,33 € 7In Stock	Mfr. Part No. 21-033102-041 Mouser Part No 654-21-033102-041	Amphenol Aerospace	Circular MIL Spec Contacts 38999 I III CON 8 PIN COAX Learn More about Amphenol Aerospace quadrax contacts		7In Stock	283,33 € View 257,72 € 248,47 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts BUSHING 21-033321-005 Amphenol Aerospace 1: 16,21 € 2.145In Stock	Mfr. Part No. 21-033321-005 Mouser Part No 654-21-033321-005	Amphenol Aerospace	Circular MIL Spec Contacts BUSHING Learn More about Amphenol Aerospace quadrax contacts	Datasheet	2.145In Stock	16,21 € 13,85 € 13,03 € 12,58 € View 11,86 € 11,52 € 11,41 € 11,15 € Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors CONTACT 21-033591-001 Amphenol Aerospace 1: 161,31 € 218In Stock	Mfr. Part No. 21-033591-001 Mouser Part No 654-21-033591-001	Amphenol Aerospace	RF Connectors / Coaxial Connectors CONTACT Learn More about Amphenol Aerospace quadrax contacts	Datasheet	218In Stock	161,31 € 145,99 € 142,52 € 141,36 €	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors COAX CONTACT 21-033592-001 Amphenol Aerospace 1: 122,42 € 425In Stock 364Expected 10/30/2026	Mfr. Part No. 21-033592-001 Mouser Part No 654-21-033592-001	Amphenol Aerospace	RF Connectors / Coaxial Connectors COAX CONTACT Learn More about Amphenol Aerospace quadrax contacts	Datasheet	425In Stock 364Expected 10/30/2026	122,42 € 111,70 € 105,36 € 101,84 € View 99,85 € Quote	Min.: 1 Mult.: 1
Fibre Optic Connectors ST Plg NIC SZ 11 Single Cavity CF-594611-01P Amphenol Aerospace 1: 614,26 € 59In Stock	Mfr. Part No. CF-594611-01P Mouser Part No 654-CF-594611-01P	Amphenol Aerospace	Fibre Optic Connectors ST Plg NIC SZ 11 Single Cavity Learn More about Amphenol Aerospace mt fiber ferrules	Datasheet	59In Stock	614,26 € 559,27 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-015 Amphenol Aerospace 1: 3,31 € 746In Stock 33.000Expected 12/18/2026	Mfr. Part No. 10-407552-015 Mouser Part No 654-10-407552-015	Amphenol Aerospace	Circular MIL Spec Contacts PIN 22M P C TAIL	Datasheet	746In Stock 33.000Expected 12/18/2026	3,31 € 2,81 € 2,63 € 2,51 € View 2,39 € 2,24 € 2,13 € 2,00 € 1,97 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 16P PC Tail Contact 10-497630-055 Amphenol Aerospace 1: 7,22 € 671In Stock	Mfr. Part No. 10-497630-055 Mouser Part No 654-10-497630-055	Amphenol Aerospace	Circular MIL Spec Contacts 16P PC Tail Contact	Datasheet	671In Stock	7,22 € 6,54 € 6,17 € 5,94 € View 5,72 € 5,12 € 4,82 € 4,81 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA PC TAIL 10-497640-015 Amphenol Aerospace 1: 12,14 € 2.912In Stock 593Expected 12/18/2026	Mfr. Part No. 10-497640-015 Mouser Part No 654-10-497640-015	Amphenol Aerospace	Circular MIL Spec Contacts PIN 20 GA PC TAIL	Datasheet	2.912In Stock 593Expected 12/18/2026	12,14 € 10,32 € 9,68 € 9,21 € View 8,77 € 8,22 € 7,83 € 7,46 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA PC TAIL 10-497640-025 Amphenol Aerospace 1: 7,48 € 1.886In Stock 2.085Expected 12/1/2026	Mfr. Part No. 10-497640-025 Mouser Part No 654-10-497640-025	Amphenol Aerospace	Circular MIL Spec Contacts PIN 20 GA PC TAIL	Datasheet	1.886In Stock 2.085Expected 12/1/2026	7,48 € 6,36 € 5,95 € 5,68 € View 5,41 € 5,07 € 4,82 € 4,59 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 III PIN 8 QUADRAX CONTAC 21-033384-021 Amphenol Aerospace 1: 276,53 € 42In Stock	Mfr. Part No. 21-033384-021 Mouser Part No 654-21-033384-021	Amphenol Aerospace	Circular MIL Spec Contacts 38999 III PIN 8 QUADRAX CONTAC Learn More about Amphenol Aerospace quadrax contacts	Datasheet	42In Stock	276,53 € 249,25 € 240,32 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts SIZE 12 PIN -SHIELDED 21-033651-011 Amphenol Aerospace 1: 92,30 € 125In Stock	Mfr. Part No. 21-033651-011 Mouser Part No 654-21-033651-011	Amphenol Aerospace	Circular MIL Spec Contacts SIZE 12 PIN -SHIELDED Learn More about Amphenol Aerospace quadrax contacts		125In Stock	92,30 € 86,97 € 83,63 € 80,83 € View 73,30 € Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824 21-032904-021 Amphenol Aerospace 1: 309,27 € 24In Stock 132Expected 12/7/2026	Mfr. Part No. 21-032904-021 Mouser Part No 654-21-032904-021	Amphenol Aerospace	Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824 Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	24In Stock 132Expected 12/7/2026	309,27 € 296,91 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Socket use W/ Cbl GORE RCN8966-24 21-032905-011 Amphenol Aerospace 1: 638,57 € 7In Stock	Mfr. Part No. 21-032905-011 Mouser Part No 654-21-032905-011	Amphenol Aerospace	Circular MIL Spec Contacts 8P Socket use W/ Cbl GORE RCN8966-24 Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	7In Stock	638,57 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts COAX CONTACT 21-033102-024 Amphenol Aerospace 1: 180,95 € 80In Stock	Mfr. Part No. 21-033102-024 Mouser Part No 654-21-033102-024	Amphenol Aerospace	Circular MIL Spec Contacts COAX CONTACT Learn More about Amphenol Aerospace quadrax contacts		80In Stock	180,95 € 147,03 € 123,81 € 99,00 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 I II III CON 16 PIN COAX 21-033122-563 Amphenol Aerospace 1: 37,24 € 317In Stock	Mfr. Part No. 21-033122-563 Mouser Part No 654-21-033122-563	Amphenol Aerospace	Circular MIL Spec Contacts 38999 I II III CON 16 PIN COAX Learn More about Amphenol Aerospace quadrax contacts		317In Stock	37,24 € 36,87 € 36,50 € 36,14 € 34,68 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts QUADRAX CONTACT 21-033385-021 Amphenol Aerospace 1: 206,86 € 16In Stock	Mfr. Part No. 21-033385-021 Mouser Part No 654-21-033385-021	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT Learn More about Amphenol Aerospace quadrax contacts	Datasheet	16In Stock	206,86 € 179,04 € View 170,19 € 165,72 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts MiniatureCylindrical Connector 21-033388-021 Amphenol Aerospace 1: 168,63 € 16In Stock	Mfr. Part No. 21-033388-021 Mouser Part No 654-21-033388-021	Amphenol Aerospace	Circular MIL Spec Contacts MiniatureCylindrical Connector Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	16In Stock	168,63 € 164,82 € View 160,32 € 157,86 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT QUADRAX 21-033470-151 Amphenol Aerospace 1: 194,00 € 22In Stock	Mfr. Part No. 21-033470-151 Mouser Part No 654-21-033470-151	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT QUADRAX Learn More about Amphenol Aerospace quadrax contacts	Datasheet	22In Stock	194,00 € 184,47 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT, SKT -QUADRAX 21-033471-151 Amphenol Aerospace 1: 466,03 € 17In Stock 10Expected 12/14/2026	Mfr. Part No. 21-033471-151 Mouser Part No 654-21-033471-151	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT, SKT -QUADRAX Learn More about Amphenol Aerospace quadrax contacts	Datasheet	17In Stock 10Expected 12/14/2026	466,03 € 445,98 € 438,34 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033650-031 Amphenol Aerospace 1: 139,67 € 76In Stock	Mfr. Part No. 21-033650-031 Mouser Part No 654-21-033650-031	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT Learn More about Amphenol Aerospace quadrax contacts		76In Stock	139,67 € 128,29 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Tools, Hardware & Accessories Sealing Plug Quadrax 21-033899-8Q1 Amphenol Aerospace 1: 27,52 € 262In Stock	Mfr. Part No. 21-033899-8Q1 Mouser Part No 654-21-033899-8Q1	Amphenol Aerospace	Circular MIL Spec Tools, Hardware & Accessories Sealing Plug Quadrax Learn More about Amphenol Aerospace quadrax contacts	Datasheet	262In Stock	27,52 € 21,63 € 17,81 € 15,14 € View 13,76 € 11,23 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 21-033650-030 21-033650-030 Amphenol Aerospace 1: 107,36 € 22In Stock	Mfr. Part No. 21-033650-030 Mouser Part No 654-21033650030	Amphenol Aerospace	Circular MIL Spec Contacts 21-033650-030 Learn More about Amphenol Aerospace quadrax contacts	Datasheet	22In Stock	107,36 € 96,51 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 21-033651-030 21-033651-030 Amphenol Aerospace 1: 106,77 € 68In Stock	Mfr. Part No. 21-033651-030 Mouser Part No 654-21033651030	Amphenol Aerospace	Circular MIL Spec Contacts 21-033651-030 Learn More about Amphenol Aerospace quadrax contacts	Datasheet	68In Stock	106,77 €	Min.: 1 Mult.: 1
Fibre Optic Connectors MT Female Contact Kit CF-198137-000 Amphenol Aerospace 1: 248,26 € 10In Stock	Mfr. Part No. CF-198137-000 Mouser Part No 654-CF-198137-000	Amphenol Aerospace	Fibre Optic Connectors MT Female Contact Kit Learn More about Amphenol Aerospace mt fiber ferrules	Datasheet	10In Stock	248,26 € 233,51 €	Min.: 1 Mult.: 1
Fibre Optic Connectors ST Plug SZ 21 Four Cavity CF-599621-04P Amphenol Aerospace 1: 564,01 € 4In Stock	Mfr. Part No. CF-599621-04P Mouser Part No 654-CF-599621-04P	Amphenol Aerospace	Fibre Optic Connectors ST Plug SZ 21 Four Cavity Learn More about Amphenol Aerospace mt fiber ferrules	Datasheet	4In Stock	564,01 € View 504,80 € Quote	Min.: 1 Mult.: 1	No