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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 (SGD) 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: $345.49 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	$345.49	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Pin Contact SZ 4 M39029/48-320 Amphenol Aerospace 1: $141.25 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	$141.25 $132.71 $131.87 $119.71 View $116.99 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR 21-033470-001 Amphenol Aerospace 1: $371.09 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	$371.09 $340.86 $328.63	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-085 Amphenol Aerospace 1: $5.47 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	$5.47 $5.25 $5.10 $4.96 View $4.16 $3.86 $3.81 $3.51 $3.40	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999 10-407572-075 Amphenol Aerospace 1: $28.70 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	$28.70 $24.38 $22.41 $21.91 View $21.66 $21.30 $21.09	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999 10-497596-035 Amphenol Aerospace 1: $11.66 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	$11.66 $10.38 $9.75 $9.37 View $8.88 $8.65 $8.12	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN 21-033122-541 Amphenol Aerospace 1: $54.43 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	$54.43 $47.33 View $45.27 $43.82 $42.35 $40.02 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts PIN 20 GA WIRE WRAP 10-407584-035 Amphenol Aerospace 1: $28.26 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	$28.26 $23.91 $22.47 $22.22 View $19.98 $19.53 $17.83 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN 21-033191-071 Amphenol Aerospace 1: $650.54 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	$650.54 View $505.89	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON 21-033384-191 Amphenol Aerospace 1: $235.04 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	$235.04 View $202.93 $195.65 $194.19 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts CONTACT 21-033384-031 Amphenol Aerospace 1: $282.43 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	$282.43 View $249.12 $240.19 $238.49 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts Coax Socket Contact 21-033101-025 Amphenol Aerospace 1: $146.73 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	$146.73 View $135.47 $131.21 $129.17 $125.94 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: $123.32 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	$123.32 View $107.15 $104.77 $99.33 $96.42 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: $20.05 23In Stock 105Expected 9/11/2026	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	23In Stock 105Expected 9/11/2026	$20.05 $17.78 $17.10 $16.25 View $15.49 $14.13 $13.22 $11.74	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT QUADRAX 21-033471-111 Amphenol Aerospace 1: $468.86 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	$468.86 $426.40 $409.46	Min.: 1 Mult.: 1
Circular MIL Spec Contacts TWINAX CONTACT 21-033908-025 Amphenol Aerospace 1: $289.84 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	$289.84	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts Bushing 21-033321-009 Amphenol Aerospace 1: $96.91 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	$96.91 $86.16 $82.84 $80.08 View $75.66 Quote	Min.: 1 Mult.: 1
Standard Circular Connector WALL MNT NIC PINS TVP00RZF-13-53P Amphenol Aerospace 1: $566.07 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	$566.07 View $481.22 $458.66	Min.: 1 Mult.: 1	No
Circular MIL Spec Contacts PIN 22M P C TAIL 10-407552-055 Amphenol Aerospace 1: $7.38 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	$7.38 $6.36 $6.11 $5.67 View $5.30 $4.91 $4.69 $4.03	Min.: 1 Mult.: 1
Fibre Optic Connectors ST Plg NIC SZ 11 Single Cavity CF-594611-01P Amphenol Aerospace 1: $971.38 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	$971.38 $884.42	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824 21-032904-021 Amphenol Aerospace 1: $489.08 128In Stock 1Expected 7/12/2026	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 7/12/2026	$489.08 $469.53	Min.: 1 Mult.: 1
Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824 21-032905-021 Amphenol Aerospace 1: $968.36 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	$968.36	Min.: 1 Mult.: 1
Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R 21-033101-023 Amphenol Aerospace 1: $199.29 577In 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	577In Stock	$199.29 $187.41 $174.43 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts CONTACT 21-033101-024 Amphenol Aerospace 1: $332.29 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	$332.29 $314.45 $303.01 $302.50 View Quote	Min.: 1 Mult.: 1
Circular MIL Spec Contacts Socket Contact 21-033101-027 Amphenol Aerospace 1: $346.19 73In 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		73In Stock	$346.19 $326.62 $322.29	Min.: 1 Mult.: 1