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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Circular MIL Spec Contacts QUADRAX PI 21-033470-111 Amphenol Aerospace 1: $275.25 49In Stock	Mfr. Part No. 21-033470-111 Mouser Part No 654-21-033470-111	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX PI Learn More about Amphenol Aerospace quadrax contacts	Datasheet	49In Stock	$275.25	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT QUADRAX 21-033471-111 Amphenol Aerospace 1: $344.77 46In Stock	Mfr. Part No. 21-033471-111 Mouser Part No 654-21-033471-111	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT QUADRAX Learn More about Amphenol Aerospace quadrax contacts	Datasheet	46In Stock	$344.77 $313.59 $301.57	Min.: 1 Mult.: 1
Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR 21-033470-001 Amphenol Aerospace 1: $274.53 49In Stock	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	49In Stock	$274.53 $250.67 $241.68	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Pin Contact SZ 4 M39029/48-320 Amphenol Aerospace 1: $103.88 62In Stock 45On Order	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 45On Order	$103.88 $97.60 $96.98 $88.04 View $86.04 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999 10-497596-035 Amphenol Aerospace 1: $9.26 165In Stock	Mfr. Part No. 10-497596-035 Mouser Part No 654-10-497596-035	Amphenol Aerospace	Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999	Datasheet	165In Stock	$9.26 $8.21 $7.82 $7.45 $6.91	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-085 Amphenol Aerospace 1: $3.97 240In Stock	Mfr. Part No. 10-407552-085 Mouser Part No 654-10-407552-085	Amphenol Aerospace	Circular MIL Spec Contacts PIN 22M P C TAIL	Datasheet	240In Stock	$3.97 $3.79 $3.69 $3.57 $2.69	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999 10-407572-075 Amphenol Aerospace 1: $21.11 1In Stock	Mfr. Part No. 10-407572-075 Mouser Part No 654-10-407572-075	Amphenol Aerospace	Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999	Datasheet	1In Stock	$21.11 $17.93 $16.32 $16.15	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033384-031 Amphenol Aerospace 1: $207.71 4In Stock	Mfr. Part No. 21-033384-031 Mouser Part No 654-21-033384-031	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT Learn More about Amphenol Aerospace quadrax contacts	Datasheet	4In Stock	$207.71 View $183.21 $176.64 $175.36 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN 21-033122-541 Amphenol Aerospace 1: $40.03 16In Stock	Mfr. Part No. 21-033122-541 Mouser Part No 654-21-033122-541	Amphenol Aerospace	Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN Learn More about Amphenol Aerospace quadrax contacts		16In Stock	$40.03 $34.81 View $33.30 $32.23 $31.15 $29.44 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA WIRE WRAP 10-407584-035 Amphenol Aerospace 1: $20.78 8In Stock	Mfr. Part No. 10-407584-035 Mouser Part No 654-10-407584-035	Amphenol Aerospace	Circular MIL Spec Contacts PIN 20 GA WIRE WRAP		8In Stock	$20.78 $17.55 $16.85 $14.47 View $14.22 $12.79 $12.75	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON 21-033384-191 Amphenol Aerospace 1: $172.86 1In Stock	Mfr. Part No. 21-033384-191 Mouser Part No 654-21-033384-191	Amphenol Aerospace	Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON Learn More about Amphenol Aerospace quadrax contacts	Datasheet	1In Stock	$172.86 View $149.24 $143.89 $142.82 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts Coax Socket Contact 21-033101-025 Amphenol Aerospace 1: $107.91 6In Stock	Mfr. Part No. 21-033101-025 Mouser Part No 654-21-033101-025	Amphenol Aerospace	Circular MIL Spec Contacts Coax Socket Contact Learn More about Amphenol Aerospace quadrax contacts		6In Stock	$107.91 View $99.62 $96.49 $94.99 $93.54	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX PIN CONT 21-033102-025 Amphenol Aerospace 1: $90.69 4In Stock	Mfr. Part No. 21-033102-025 Mouser Part No 654-21-033102-025	Amphenol Aerospace	Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX PIN CONT Learn More about Amphenol Aerospace quadrax contacts		4In Stock	$90.69 View $78.80 $77.05 $73.05 $70.91 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Tools, Hardware & Accessories TV 8 QDRAX METAL SEAL PLUG PCB 21-033899-8Q2 Amphenol Aerospace 1: $14.75 53In Stock 105Expected 2026/10/30	Mfr. Part No. 21-033899-8Q2 Mouser Part No 654-21-033899-8Q2	Amphenol Aerospace	Circular MIL Spec Tools, Hardware & Accessories TV 8 QDRAX METAL SEAL PLUG PCB Learn More about Amphenol Aerospace quadrax contacts	Datasheet	53In Stock 105Expected 2026/10/30	$14.75 $13.07 $12.57 $11.96 View $11.40 $10.40 $9.72 $8.63	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Bushing 21-033321-009 Amphenol Aerospace 1: $71.27 83In Stock	Mfr. Part No. 21-033321-009 Mouser Part No 654-21-033321-009	Amphenol Aerospace	Circular MIL Spec Contacts Bushing Learn More about Amphenol Aerospace quadrax contacts	Datasheet	83In Stock	$71.27 $63.36 $60.92 $58.89 View $55.64 Quote	Min.: 1 Mult.: 1
Standard Circular Connector WALL MNT NIC PINS TVP00RZF-13-53P Amphenol Aerospace 1: $416.31 6In Stock	Mfr. Part No. TVP00RZF-13-53P Mouser Part No 654-TVP00RZF-13-53P	Amphenol Aerospace	Standard Circular Connector WALL MNT NIC PINS Learn More about Amphenol Aerospace oval contact system	Datasheet	6In Stock	$416.31 View $353.90 $337.32	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-055 Amphenol Aerospace 1: $6.06 25,617In Stock 18,000Expected 2026/12/18	Mfr. Part No. 10-407552-055 Mouser Part No 654-10-407552-055	Amphenol Aerospace	Circular MIL Spec Contacts PIN 22M P C TAIL	Datasheet	25,617In Stock 18,000Expected 2026/12/18	$6.06 $5.19 $4.90 $4.08 View $3.83 $3.54 $3.38 $2.77 $2.67	Min.: 1 Mult.: 1
Fibre Optic Connectors ST Plg NIC SZ 11 Single Cavity CF-594611-01P Amphenol Aerospace 1: $714.38 58In 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	58In Stock	$714.38 $650.43	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 21-032905-021 Amphenol Aerospace 1: $771.46 46In Stock	Mfr. Part No. 21-032905-021 Mouser Part No 654-21-032905-021	Amphenol Aerospace	Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	46In Stock	$771.46	Min.: 1 Mult.: 1
Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R 21-033101-023 Amphenol Aerospace 1: $146.56 584In Stock 123Expected 2026/10/15	Mfr. Part No. 21-033101-023 Mouser Part No 654-21-033101-023	Amphenol Aerospace	Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R Learn More about Amphenol Aerospace quadrax contacts	Datasheet	584In Stock 123Expected 2026/10/15	$146.56 $137.83 $128.28 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033101-024 Amphenol Aerospace 1: $244.37 96In Stock	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		96In Stock	$244.37 $231.25 $222.84 $222.47 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Socket Contact 21-033101-027 Amphenol Aerospace 1: $256.76 75In Stock	Mfr. Part No. 21-033101-027 Mouser Part No 654-21-033101-027	Amphenol Aerospace	Circular MIL Spec Contacts Socket Contact Learn More about Amphenol Aerospace quadrax contacts		75In Stock	$256.76	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 I III CON 8 PIN COAX 21-033102-041 Amphenol Aerospace 1: $329.51 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	$329.51 View $299.73 $288.97	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts BUSHING 21-033321-005 Amphenol Aerospace 1: $18.85 2,021In Stock 1,363Expected 2027/01/07	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	2,021In Stock 1,363Expected 2027/01/07	$18.85 $16.11 $15.15 $14.63 View $13.79 $13.40 $13.27 $12.97 Quote	Min.: 1 Mult.: 1
RF Connectors / Coaxial Connectors CONTACT 21-033591-001 Amphenol Aerospace 1: $187.60 206In 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	206In Stock	$187.60 $169.79 $165.75 $164.40	Min.: 1 Mult.: 1