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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 (JPY) 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: ¥44,813.8 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	¥44,813.8 ¥42,196	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 21-032905-021 Amphenol Aerospace 1: ¥118,268.2 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	¥118,268.2	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Pin Contact SZ 4 M39029/48-320 Amphenol Aerospace 1: ¥17,251.1 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	¥17,251.1 ¥16,208 ¥16,105.1 ¥14,620.1 View ¥14,287.9 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts CONTACT QUADRAX 21-033471-111 Amphenol Aerospace 1: ¥57,258 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	¥57,258 ¥52,077.3 ¥50,095.8	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999 10-407572-075 Amphenol Aerospace 1: ¥3,504.7 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	¥3,504.7 ¥2,978.2 ¥2,709.1 ¥2,682.5	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN CONTAC 10-497640-125 Amphenol Aerospace 1: ¥3,204.1 54In Stock	Mfr. Part # 10-497640-125 Mouser Part # 654-10-497640-125	Amphenol Aerospace	Circular MIL Spec Contacts PIN CONTAC		54In Stock	¥3,204.1 ¥3,111.1 ¥2,403.5 ¥2,368.6 View ¥2,014.8 ¥1,847 ¥1,823.8 ¥1,735.7 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-085 Amphenol Aerospace 1: ¥659.4 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	¥659.4 ¥629.5 ¥612.9 ¥593 ¥446.8	Min.: 1 Mult.: 1
Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR 21-033470-001 Amphenol Aerospace 1: ¥45,591.1 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	¥45,591.1 ¥41,629.6 ¥40,136.4	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999 10-497596-035 Amphenol Aerospace 1: ¥1,667.6 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	¥1,667.6 ¥1,506.5 ¥1,431.8 ¥1,318.8 View ¥1,186 ¥1,154.4 ¥1,094.6 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA WIRE WRAP 10-407584-035 Amphenol Aerospace 1: ¥3,451.6 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	¥3,451.6 ¥2,915.1 ¥2,798.8 ¥2,403.5 View ¥2,361.9 ¥2,124.4 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN 21-033191-071 Amphenol Aerospace 1: ¥79,452.3 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	¥79,452.3 View ¥61,785.9	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON 21-033384-191 Amphenol Aerospace 1: ¥28,705.4 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	¥28,705.4 View ¥24,783.8 ¥23,895.1 ¥23,717.4 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN 21-033122-541 Amphenol Aerospace 1: ¥6,647.3 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	¥6,647.3 ¥5,780.3 View ¥5,529.5 ¥5,351.7 ¥5,172.4 ¥4,888.3 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Tools, Hardware & Accessories TV 8 QDRAX METAL SEAL PLUG PCB 21-033899-8Q2 Amphenol Aerospace 1: ¥2,448.3 53In Stock 105Expected 10/30/2026	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 10/30/2026	¥2,448.3 ¥2,170.9 ¥2,087.9 ¥1,984.9 View ¥1,891.9 ¥1,725.8 ¥1,614.5 ¥1,433.4	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Coax Socket Contact 21-033101-025 Amphenol Aerospace 1: ¥17,920.5 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	¥17,920.5 View ¥16,545.2 ¥16,025.3 ¥15,776.2 ¥15,380.9 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: ¥15,061.9 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	¥15,061.9 View ¥13,087 ¥12,796.3 ¥12,131.9 ¥11,776.5 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 22 AWG Quadrax Pin Contact for TV-R 21-033384-061 Amphenol Aerospace 1: ¥22,559.7 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	¥22,559.7	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033384-031 Amphenol Aerospace 1: ¥34,494 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	¥34,494 View ¥30,426.2 ¥29,334.9 ¥29,119 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts Bushing 21-033321-009 Amphenol Aerospace 1: ¥11,836.3 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	¥11,836.3 ¥10,522.4 ¥10,117.2 ¥9,780 View ¥9,241.8 Quote	Min.: 1 Mult.: 1
Standard Circular Connector WALL MNT NIC PINS TVP00RZF-13-53P Amphenol Aerospace 1: ¥69,135.8 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	¥69,135.8 View ¥58,772.8 ¥56,017.2	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-055 Amphenol Aerospace 1: ¥926.8 26,277In Stock 18,000Expected 12/18/2026	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 12/18/2026	¥926.8 ¥835.5 ¥789 ¥677.7 View ¥634.5 ¥586.3 ¥561.4 ¥481.7	Min.: 1 Mult.: 1
Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R 21-033101-023 Amphenol Aerospace 1: ¥24,340.3 508In Stock 208Expected 12/8/2026	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 12/8/2026	¥24,340.3 ¥22,888.6 ¥21,304 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033101-024 Amphenol Aerospace 1: ¥40,583.2 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	¥40,583.2 ¥38,404 ¥37,007.1 ¥36,945.6 View Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Socket Contact 21-033101-027 Amphenol Aerospace 1: ¥42,280.8 52In Stock	Mfr. Part # 21-033101-027 Mouser Part # 654-21-033101-027	Amphenol Aerospace	Circular MIL Spec Contacts Socket Contact Learn More about Amphenol Aerospace quadrax contacts		52In Stock	¥42,280.8 ¥39,890.6 ¥39,362.4	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN COAX SZ 8 21-033102-023 Amphenol Aerospace 1: ¥21,916.9 125In Stock 181Expected 11/23/2026	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 11/23/2026	¥21,916.9 ¥20,402.1 ¥19,167.9 ¥18,898.9 View ¥18,493.6 Quote	Min.: 1 Mult.: 1