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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 (CAD) 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: $388.51 65In Stock	Mfr. Part # 21-033470-111 Mouser Part # 654-21-033470-111	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX PI Learn More about Amphenol Aerospace quadrax contacts	Datasheet	65In Stock	$388.51 $365.82	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 21-032905-021 Amphenol Aerospace 1: $1,025.32 58In Stock	Mfr. Part # 21-032905-021 Mouser Part # 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	58In Stock	$1,025.32	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Pin Contact SZ 4 M39029/48-320 Amphenol Aerospace 1: $149.56 62In Stock 45On Order	Mfr. Part # M39029/48-320 Mouser Part # 654-M39029/48-320	Amphenol Aerospace	Circular MIL Spec Contacts Pin Contact SZ 4		62In Stock 45On Order	$149.56 $140.52 $139.62 $126.75 View $123.87 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999 10-407572-075 Amphenol Aerospace 1: $30.38 1In Stock	Mfr. Part # 10-407572-075 Mouser Part # 654-10-407572-075	Amphenol Aerospace	Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999	Datasheet	1In Stock	$30.38 $25.82 $23.49 $23.26	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN CONTAC 10-497640-125 Amphenol Aerospace 1: $27.78 54In Stock	Mfr. Part # 10-497640-125 Mouser Part # 654-10-497640-125	Amphenol Aerospace	Circular MIL Spec Contacts PIN CONTAC		54In Stock	$27.78 $26.97 $20.84 $20.53 View $17.47 $16.01 $15.81 $15.05 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-085 Amphenol Aerospace 1: $5.72 240In Stock	Mfr. Part # 10-407552-085 Mouser Part # 654-10-407552-085	Amphenol Aerospace	Circular MIL Spec Contacts PIN 22M P C TAIL	Datasheet	240In Stock	$5.72 $5.46 $5.31 $5.14 $3.87	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT QUADRAX 21-033471-111 Amphenol Aerospace 1: $496.40 46In Stock	Mfr. Part # 21-033471-111 Mouser Part # 654-21-033471-111	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT QUADRAX Learn More about Amphenol Aerospace quadrax contacts	Datasheet	46In Stock	$496.40 $451.48 $434.30	Min.: 1 Mult.: 1
Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR 21-033470-001 Amphenol Aerospace 1: $395.25 49In Stock	Mfr. Part # 21-033470-001 Mouser Part # 654-21-033470-001	Amphenol Aerospace	Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR Learn More about Amphenol Aerospace quadrax contacts	Datasheet	49In Stock	$395.25 $360.91 $347.96	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999 10-497596-035 Amphenol Aerospace 1: $14.46 165In Stock	Mfr. Part # 10-497596-035 Mouser Part # 654-10-497596-035	Amphenol Aerospace	Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999	Datasheet	165In Stock	$14.46 $13.06 $12.41 $11.43 View $10.28 $10.01 $9.49 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Tools, Hardware & Accessories TV 8 QDRAX METAL SEAL PLUG PCB 21-033899-8Q2 Amphenol Aerospace 1: $21.23 53In Stock 105Expected 2026-10-30	Mfr. Part # 21-033899-8Q2 Mouser Part # 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	$21.23 $18.82 $18.10 $17.21 View $16.40 $14.96 $14.00 $12.43	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA WIRE WRAP 10-407584-035 Amphenol Aerospace 1: $29.92 8In Stock	Mfr. Part # 10-407584-035 Mouser Part # 654-10-407584-035	Amphenol Aerospace	Circular MIL Spec Contacts PIN 20 GA WIRE WRAP		8In Stock	$29.92 $25.27 $24.26 $20.84 View $20.48 $18.42 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN 21-033122-541 Amphenol Aerospace 1: $57.63 16In Stock	Mfr. Part # 21-033122-541 Mouser Part # 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	$57.63 $50.11 View $47.94 $46.40 $44.84 $42.38 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Coax Socket Contact 21-033101-025 Amphenol Aerospace 1: $155.36 6In Stock	Mfr. Part # 21-033101-025 Mouser Part # 654-21-033101-025	Amphenol Aerospace	Circular MIL Spec Contacts Coax Socket Contact Learn More about Amphenol Aerospace quadrax contacts		6In Stock	$155.36 View $143.44 $138.93 $136.77 $133.34 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX PIN CONT 21-033102-025 Amphenol Aerospace 1: $130.58 4In Stock	Mfr. Part # 21-033102-025 Mouser Part # 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	$130.58 View $113.46 $110.94 $105.18 $102.10 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN 21-033191-071 Amphenol Aerospace 1: $688.81 3In Stock	Mfr. Part # 21-033191-071 Mouser Part # 654-21-033191-071	Amphenol Aerospace	Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN Learn More about Amphenol Aerospace quadrax contacts	Datasheet	3In Stock	$688.81 View $535.65	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON 21-033384-191 Amphenol Aerospace 1: $248.86 1In Stock	Mfr. Part # 21-033384-191 Mouser Part # 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	$248.86 View $214.86 $207.16 $205.62 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 22 AWG Quadrax Pin Contact for TV-R 21-033384-061 Amphenol Aerospace 1: $195.58 9In Stock	Mfr. Part # 21-033384-061 Mouser Part # 654-21-033384-061	Amphenol Aerospace	Circular MIL Spec Contacts 22 AWG Quadrax Pin Contact for TV-R Learn More about Amphenol Aerospace quadrax contacts	Datasheet	9In Stock	$195.58	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033384-031 Amphenol Aerospace 1: $299.04 4In Stock	Mfr. Part # 21-033384-031 Mouser Part # 654-21-033384-031	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT Learn More about Amphenol Aerospace quadrax contacts	Datasheet	4In Stock	$299.04 View $263.78 $254.32 $252.45 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts Bushing 21-033321-009 Amphenol Aerospace 1: $102.61 83In Stock	Mfr. Part # 21-033321-009 Mouser Part # 654-21-033321-009	Amphenol Aerospace	Circular MIL Spec Contacts Bushing Learn More about Amphenol Aerospace quadrax contacts	Datasheet	83In Stock	$102.61 $91.22 $87.71 $84.79 View $80.12 Quote	Min.: 1 Mult.: 1
Standard Circular Connector WALL MNT NIC PINS TVP00RZF-13-53P Amphenol Aerospace 1: $599.37 6In Stock	Mfr. Part # TVP00RZF-13-53P Mouser Part # 654-TVP00RZF-13-53P	Amphenol Aerospace	Standard Circular Connector WALL MNT NIC PINS Learn More about Amphenol Aerospace oval contact system	Datasheet	6In Stock	$599.37 View $509.53 $485.64	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-055 Amphenol Aerospace 1: $8.04 26,277In Stock 18,000Expected 2026-12-18	Mfr. Part # 10-407552-055 Mouser Part # 654-10-407552-055	Amphenol Aerospace	Circular MIL Spec Contacts PIN 22M P C TAIL	Datasheet	26,277In Stock 18,000Expected 2026-12-18	$8.04 $7.24 $6.84 $5.88 View $5.50 $5.08 $4.87 $4.18	Min.: 1 Mult.: 1
Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R 21-033101-023 Amphenol Aerospace 1: $211.02 508In Stock 208Expected 2026-12-08	Mfr. Part # 21-033101-023 Mouser Part # 654-21-033101-023	Amphenol Aerospace	Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R Learn More about Amphenol Aerospace quadrax contacts	Datasheet	508In Stock 208Expected 2026-12-08	$211.02 $198.43 $184.69 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033101-024 Amphenol Aerospace 1: $351.84 96In Stock	Mfr. Part # 21-033101-024 Mouser Part # 654-21-033101-024	Amphenol Aerospace	Circular MIL Spec Contacts CONTACT Learn More about Amphenol Aerospace quadrax contacts		96In Stock	$351.84 $332.94 $320.83 $320.30 View Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN COAX SZ 8 21-033102-023 Amphenol Aerospace 1: $190.01 125In Stock 181Expected 2026-11-23	Mfr. Part # 21-033102-023 Mouser Part # 654-21-033102-023	Amphenol Aerospace	Circular MIL Spec Contacts PIN COAX SZ 8 Learn More about Amphenol Aerospace quadrax contacts		125In Stock 181Expected 2026-11-23	$190.01 $176.88 $166.18 $163.84 View $160.33 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 I III CON 8 PIN COAX 21-033102-041 Amphenol Aerospace 1: $474.41 7In Stock	Mfr. Part # 21-033102-041 Mouser Part # 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	$474.41 View $431.52 $416.04	Min.: 1 Mult.: 1	No

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High-Speed Connectors for MIL-DTL-38999

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