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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
RF Connectors / Coaxial Connectors COAX CONTACT 21-033592-001 Amphenol Aerospace 1: 131,15 € 308In Stock 364Expected 11/20/2026	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	308In Stock 364Expected 11/20/2026	131,15 € 125,90 €	Min.: 1 Mult.: 1
Fibre Optic Connectors ST Plg NIC SZ 11 Single Cavity CF-594611-01P Amphenol Aerospace 1: 614,26 € 22In Stock 132Expected 3/29/2027	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	22In Stock 132Expected 3/29/2027	614,26 € 559,27 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Pin Contact SZ 4 M39029/48-320 Amphenol Aerospace 1: 89,32 € 62In Stock 45Expected 11/24/2026	Mfr. Part No. M39029/48-320 Mouser Part No 654-M39029/48-320	Amphenol Aerospace	Circular MIL Spec Contacts Pin Contact SZ 4		62In Stock 45Expected 11/24/2026	89,32 € 83,92 € 83,39 € 75,70 € View 73,98 € Quote	Min.: 1 Mult.: 1	No
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 38999 III PIN 8 QUADRAX CONTAC 21-033384-021 Amphenol Aerospace 1: 276,53 € 39In 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	39In Stock	276,53 € 249,25 € 240,32 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT, SKT -QUADRAX 21-033471-151 Amphenol Aerospace 1: 466,03 € 27In Stock	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	27In Stock	466,03 € 445,98 € 438,34 €	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 CONTACT 21-033101-024 Amphenol Aerospace 1: 368,00 € 63In Stock 218On Order	Mfr. Part No. 21-033101-024 Mouser Part No 654-21-033101-024	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT Learn More about Amphenol Aerospace quadrax contacts		63In Stock 218On Order On Order Ship Dates Mfr. No: 21-033101-024 Stock: 63 Can Dispatch Immediately On Order: 77 Expected 2/1/2027 141 Expected 3/24/2027 Factory Lead Time: 20 Weeks	368,00 € Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN COAX SZ 8 21-033102-023 Amphenol Aerospace 1: 113,48 € 210In Stock 200Expected 3/10/2027	Mfr. Part No. 21-033102-023 Mouser Part No 654-21-033102-023	Amphenol Aerospace	Circular MIL Spec Contacts PIN COAX SZ 8 Learn More about Amphenol Aerospace quadrax contacts		210In Stock 200Expected 3/10/2027	113,48 € 105,63 € 99,24 € 97,85 € View 95,75 € Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts COAX CONTACT 21-033102-024 Amphenol Aerospace 1: 180,95 € 21In Stock 142Expected 11/9/2026	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		21In Stock 142Expected 11/9/2026	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: 39,26 € 281In 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		281In Stock	39,26 € 36,58 € 34,68 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX SCKT CON 21-033123-563 Amphenol Aerospace 1: 58,17 € 146In Stock 180Expected 11/23/2026	Mfr. Part No. 21-033123-563 Mouser Part No 654-21-033123-563	Amphenol Aerospace	Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX SCKT CON Learn More about Amphenol Aerospace quadrax contacts		146In Stock 180Expected 11/23/2026	58,17 € 51,37 € 49,27 € 47,52 € 44,92 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts QUADRAX CONTACT 21-033385-021 Amphenol Aerospace 1: 206,86 € 14In 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	14In Stock	206,86 € 179,04 € View 170,19 € 165,72 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts QUADRAX CONTACT PIN 100 OHM 21-033387-021 Amphenol Aerospace 1: 156,89 € 18In Stock	Mfr. Part No. 21-033387-021 Mouser Part No 654-21-033387-021	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT PIN 100 OHM Learn More about Amphenol Aerospace amphenolhd38999	Datasheet	18In Stock	156,89 € 151,54 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR 21-033470-001 Amphenol Aerospace 1: 209,36 € 9In Stock 50Expected 3/10/2027	Mfr. Part No. 21-033470-001 Mouser Part No 654-21-033470-001	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR Learn More about Amphenol Aerospace quadrax contacts	Datasheet	9In Stock 50Expected 3/10/2027	209,36 € 199,62 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033650-031 Amphenol Aerospace 1: 139,68 € 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	139,68 € 128,29 € 127,25 € 125,14 € View Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Tools, Hardware & Accessories Sealing Plug Quadrax 21-033899-8Q1 Amphenol Aerospace 1: 27,52 € 258In 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	258In Stock	27,52 € 21,63 € 17,81 € 15,14 € View 13,76 € 12,78 € Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 21-033650-030 21-033650-030 Amphenol Aerospace 1: 107,68 € 12In 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	12In Stock	107,68 € 103,38 €	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 ST Plug SZ 21 Four Cavity CF-599621-04P Amphenol Aerospace 1: 771,14 € 15In 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	15In Stock	771,14 € 722,25 €	Min.: 1 Mult.: 1	No
Fibre Optic Connectors Straight Plug Pin 13-02 CF-5E4613-02P Amphenol Aerospace 1: 247,43 € 17In Stock	Mfr. Part No. CF-5E4613-02P Mouser Part No 654-CF59461302P	Amphenol Aerospace	Fibre Optic Connectors Straight Plug Pin 13-02 Learn More about Amphenol Aerospace mt fiber ferrules	Datasheet	17In Stock	247,43 € 245,01 €	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22M PC TAIL 38999 10-407552-115 Amphenol Aerospace 1: 17,20 € 44In Stock	Mfr. Part No. 10-407552-115 Mouser Part No 654-10-407552-115	Amphenol Aerospace	Circular MIL Spec Contacts PIN 22M PC TAIL 38999	Datasheet	44In Stock	17,20 € 14,61 € 13,70 € 13,05 € View 12,42 € 11,64 € 11,09 € 10,96 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts PIN 20 GA PC TAIL 10-497596-015 Amphenol Aerospace 1: 6,91 € 7In Stock	Mfr. Part No. 10-497596-015 Mouser Part No 654-10-497596-015	Amphenol Aerospace	Circular MIL Spec Contacts PIN 20 GA PC TAIL	Datasheet	7In Stock	6,91 € 6,79 € 6,39 € 6,17 € View 5,19 € 5,12 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts SOCKET COAX; LJTR 21-033101-037 Amphenol Aerospace 1: 105,65 € 8In Stock	Mfr. Part No. 21-033101-037 Mouser Part No 654-21-033101-037	Amphenol Aerospace	Circular MIL Spec Contacts SOCKET COAX; LJTR		8In Stock	105,65 €	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 II 12 SKT COAX CONTACT 21-033121-546 Amphenol Aerospace 1: 54,46 € 12In Stock 83On Order	Mfr. Part No. 21-033121-546 Mouser Part No 654-21-033121-546	Amphenol Aerospace	Circular MIL Spec Contacts 38999 II 12 SKT COAX CONTACT Learn More about Amphenol Aerospace quadrax contacts		12In Stock 83On Order On Order Ship Dates Mfr. No: 21-033121-546 Stock: 12 Can Dispatch Immediately On Order: 26 Expected 11/9/2026 57 Expected 11/23/2026 Factory Lead Time: 16 Weeks	54,46 € 48,80 €	Min.: 1 Mult.: 1