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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 (CHF) 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: CHF 221.52 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	CHF 221.52	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Pin Contact SZ 4 M39029/48-320 Amphenol Aerospace 1: CHF 83.60 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	CHF 83.60 CHF 78.55 CHF 78.05 CHF 70.86 View CHF 69.25 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR 21-033470-001 Amphenol Aerospace 1: CHF 219.64 39In 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	39In Stock	CHF 219.64 CHF 201.75 CHF 194.51	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999 10-407572-075 Amphenol Aerospace 1: CHF 16.99 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	CHF 16.99 CHF 14.43 CHF 13.13 CHF 13.00	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-085 Amphenol Aerospace 1: CHF 3.19 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	CHF 3.19 CHF 3.05 CHF 2.97 CHF 2.87 CHF 2.16	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999 10-497596-035 Amphenol Aerospace 1: CHF 6.30 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	CHF 6.30 CHF 5.62 CHF 5.56	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA WIRE WRAP 10-407584-035 Amphenol Aerospace 1: CHF 16.73 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	CHF 16.73 CHF 14.12 CHF 13.56 CHF 11.64 View CHF 11.45 CHF 10.30 CHF 10.26	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN 21-033122-541 Amphenol Aerospace 1: CHF 32.22 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	CHF 32.22 CHF 28.01 View CHF 26.80 CHF 25.94 CHF 25.07 CHF 23.69 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN 21-033191-071 Amphenol Aerospace 1: CHF 385.04 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	CHF 385.04 View CHF 324.36	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON 21-033384-191 Amphenol Aerospace 1: CHF 139.12 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	CHF 139.12 View CHF 120.11 CHF 115.80 CHF 114.94 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: CHF 11.87 53In Stock 105Expected 11/9/2026	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 11/9/2026	CHF 11.87 CHF 10.52 CHF 10.12 CHF 9.62 View CHF 9.17 CHF 8.37 CHF 7.82 CHF 6.95	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Coax Socket Contact 21-033101-025 Amphenol Aerospace 1: CHF 86.85 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	CHF 86.85 View CHF 80.18 CHF 77.66 CHF 76.45 CHF 75.28	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX PIN CONT 21-033102-025 Amphenol Aerospace 1: CHF 72.99 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	CHF 72.99 View CHF 63.42 CHF 62.01 CHF 58.79 CHF 57.07 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts CONTACT QUADRAX 21-033471-111 Amphenol Aerospace 1: CHF 277.51 44In 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	44In Stock	CHF 277.51 CHF 252.38 CHF 242.35	Min.: 1 Mult.: 1
Circular MIL Spec Contacts TWINAX CONTACT 21-033908-025 Amphenol Aerospace 1: CHF 185.84 3In Stock	Mfr. Part No. 21-033908-025 Mouser Part No 654-21-033908-025	Amphenol Aerospace	Circular MIL Spec Contacts TWINAX CONTACT Learn More about Amphenol Aerospace quadrax contacts	Datasheet	3In Stock	CHF 185.84	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts CONTACT 21-033384-031 Amphenol Aerospace 1: CHF 167.17 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	CHF 167.17 View CHF 147.45 CHF 142.16 CHF 141.16 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts Bushing 21-033321-009 Amphenol Aerospace 1: CHF 57.36 75In 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	75In Stock	CHF 57.36 CHF 50.99 CHF 49.03 CHF 47.40 View CHF 44.78 Quote	Min.: 1 Mult.: 1
Standard Circular Connector WALL MNT NIC PINS TVP00RZF-13-53P Amphenol Aerospace 1: CHF 335.05 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	CHF 335.05 View CHF 284.82 CHF 271.48	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-055 Amphenol Aerospace 1: CHF 4.47 42’617In Stock	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	42’617In Stock	CHF 4.47 CHF 3.83 CHF 3.60 CHF 3.36 View CHF 3.14 CHF 2.90 CHF 2.78 CHF 2.39	Min.: 1 Mult.: 1
Fibre Optic Connectors ST Plg NIC SZ 11 Single Cavity CF-594611-01P Amphenol Aerospace 1: CHF 574.95 38In 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	38In Stock	CHF 574.95 CHF 523.48	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824 21-032904-021 Amphenol Aerospace 1: CHF 289.48 128In Stock 1Expected 12/7/2026	Mfr. Part No. 21-032904-021 Mouser Part No 654-21-032904-021	Amphenol Aerospace	Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824 Learn More about Amphenol Aerospace amphenol octonet contacts	Datasheet	128In Stock 1Expected 12/7/2026	CHF 289.48 CHF 277.91	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 21-032905-021 Amphenol Aerospace 1: CHF 620.89 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	CHF 620.89	Min.: 1 Mult.: 1
Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R 21-033101-023 Amphenol Aerospace 1: CHF 117.95 700In Stock	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	700In Stock	CHF 117.95 CHF 110.93 CHF 103.24 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033101-024 Amphenol Aerospace 1: CHF 196.67 84In 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		84In Stock	CHF 196.67 CHF 186.11 CHF 179.35 CHF 179.05 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Socket Contact 21-033101-027 Amphenol Aerospace 1: CHF 206.64 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	CHF 206.64	Min.: 1 Mult.: 1