Circular MIL Spec Connectors – Mouser South Africa

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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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Types of Circular MIL Spec Connectors

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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	Product	MIL Type
Circular MIL Spec Contacts QUADRAX PI 21-033470-111 Amphenol Aerospace 1: $275.25 65In 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	65In Stock	$275.25	Min.: 1 Mult.: 1			MIL-DTL-38999 III
Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 21-032905-021 Amphenol Aerospace 1: $771.46 58In 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	58In Stock	$771.46	Min.: 1 Mult.: 1			MIL-DTL-38999 III
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 CONTACT QUADRAX 21-033471-111 Amphenol Aerospace 1: $344.78 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	$344.78 $313.59 $301.66	Min.: 1 Mult.: 1			MIL-DTL-38999 III
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			MIL-DTL-38999 I, II
Circular MIL Spec Contacts PIN CONTAC 10-497640-125 Amphenol Aerospace 1: $19.29 54In Stock	Mfr. Part No. 10-497640-125 Mouser Part No 654-10-497640-125	Amphenol Aerospace	Circular MIL Spec Contacts PIN CONTAC		54In Stock	$19.29 $18.74 $14.47 $14.26 View $12.13 $11.12 $10.98 $10.82	Min.: 1 Mult.: 1			MIL-DTL-38999 I, II
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			MIL-DTL-38999 I
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			MIL-DTL-38999 III
Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999 10-497596-035 Amphenol Aerospace 1: $10.04 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	$10.04 $9.07 $8.62 $7.94 View $7.14 $6.95 $6.91	Min.: 1 Mult.: 1			MIL-DTL-38999 I, II
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		MIL-DTL-38999 I
Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN 21-033191-071 Amphenol Aerospace 1: $478.42 3In Stock	Mfr. Part No. 21-033191-071 Mouser Part No 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	$478.42 View $403.03	Min.: 1 Mult.: 1			MIL-DTL-38999 I, III
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		MIL-DTL-38999 III
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			MIL-DTL-38999 II
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		Accessories
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		MIL-DTL-38999 I, III
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		MIL-DTL-38999 I, III
Circular MIL Spec Contacts 22 AWG Quadrax Pin Contact for TV-R 21-033384-061 Amphenol Aerospace 1: $141.03 9In Stock	Mfr. Part No. 21-033384-061 Mouser Part No 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	$141.03	Min.: 1 Mult.: 1			MIL-DTL-38999 III
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 $175.35 Quote	Min.: 1 Mult.: 1	No		MIL-DTL-38999 III
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 $55.65 $55.64 Quote	Min.: 1 Mult.: 1			MIL-DTL-38999 III
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-055 Amphenol Aerospace 1: $5.58 26,277In 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	26,277In Stock 18,000Expected 2026/12/18	$5.58 $5.04 $4.76 $4.08 View $3.83 $3.54 $3.38 $2.90	Min.: 1 Mult.: 1			MIL-DTL-38999 I
Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R 21-033101-023 Amphenol Aerospace 1: $146.56 508In Stock 208Expected 2026/12/08	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	508In Stock 208Expected 2026/12/08	$146.56 $137.83 $128.28 Quote Quote	Min.: 1 Mult.: 1			MIL-DTL-38999 I, III
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			MIL-DTL-38999 I, III
Circular MIL Spec Contacts Socket Contact 21-033101-027 Amphenol Aerospace 1: $256.76 52In 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		52In Stock	$256.76	Min.: 1 Mult.: 1			MIL-DTL-38999 I, III
Circular MIL Spec Contacts PIN COAX SZ 8 21-033102-023 Amphenol Aerospace 1: $131.98 125In Stock 181Expected 2026/11/23	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		125In Stock 181Expected 2026/11/23	$131.98 $122.85 $115.42 $113.80 View $111.36 Quote	Min.: 1 Mult.: 1			MIL-DTL-38999 I, III
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		MIL-DTL-38999 I, III

High-Speed Connectors for MIL-DTL-38999

Types of Circular MIL Spec Connectors

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