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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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Part #

Circular MIL Spec Contacts QUADRAX PI

21-033470-111
Amphenol Aerospace
1: £206.61
65In Stock

Mfr. Part No.
21-033470-111

Mouser Part No
654-21-033470-111

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX PI

Datasheet

65In Stock

£206.61

Min.: 1
Mult.: 1

Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX SCKT CON

21-033123-563
Amphenol Aerospace
1: £50.78
42In Stock
33Expected 29/09/2026

Mfr. Part No.
21-033123-563

Mouser Part No
654-21-033123-563

Amphenol Aerospace

Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX SCKT CON

42In Stock

33Expected 29/09/2026

£50.78

£44.85

£43.01

£41.48

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 I III CON 8 PIN COAX

21-033102-041
Amphenol Aerospace
1: £247.35
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

7In Stock

£247.35

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts CONTACT QUADRAX

21-033471-111
Amphenol Aerospace
1: £258.88
46In Stock

Mfr. Part No.
21-033471-111

Mouser Part No
654-21-033471-111

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT QUADRAX

Datasheet

46In Stock

£258.88

£235.40

£225.94

Min.: 1
Mult.: 1

Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR

21-033470-001
Amphenol Aerospace
1: £180.09
53In Stock

Mfr. Part No.
21-033470-001

Mouser Part No
654-21-033470-001

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR

Datasheet

53In Stock

£180.09

£174.27

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL

10-497596-055
Amphenol Aerospace
1: £5.05
483In Stock

Mfr. Part No.
10-497596-055

Mouser Part No
654-10-497596-055

Amphenol Aerospace

Circular MIL Spec Contacts PIN 20 GA PC TAIL

Datasheet

483In Stock

£5.05

£4.62

£4.53

£4.50

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories TV 8 QDRAX METAL SEAL PLUG PCB

21-033899-8Q2
Amphenol Aerospace
1: £11.07
138In Stock

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

Datasheet

138In Stock

£11.07

£9.81

£9.44

£8.97

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA WIRE WRAP

10-407584-035
Amphenol Aerospace
1: £14.37
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

£14.37

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN

21-033191-071
Amphenol Aerospace
1: £359.13
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

Datasheet

3In Stock

£359.13

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON

21-033384-191
Amphenol Aerospace
1: £129.75
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

Datasheet

1In Stock

£129.75

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999

10-407572-075
Amphenol Aerospace
1: £11.45
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

£11.45

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN CONTAC

10-497640-125
Amphenol Aerospace
1: £14.48
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

£14.48

£14.06

£9.38

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Coax Socket Contact

21-033101-025
Amphenol Aerospace
1: £81.01
6In Stock

Mfr. Part No.
21-033101-025

Mouser Part No
654-21-033101-025

Amphenol Aerospace

Circular MIL Spec Contacts Coax Socket Contact

6In Stock

£81.01

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 38999 I II III CON 12 COAX PIN

21-033122-541
Amphenol Aerospace
1: £30.05
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

16In Stock

£30.05

£26.13

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT

21-033384-031
Amphenol Aerospace
1: £155.92
4In Stock

Mfr. Part No.
21-033384-031

Mouser Part No
654-21-033384-031

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT

Datasheet

4In Stock

£155.92

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts MIL-DTL-38999 SERIES I III COAX PIN CONT

21-033102-025
Amphenol Aerospace
1: £64.31
19In 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

19In Stock

£64.31

£58.12

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999

10-497596-035
Amphenol Aerospace
1: £6.98
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

£6.98

£6.29

£6.01

£5.67

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Bushing

21-033321-009
Amphenol Aerospace
1: £53.50
85In Stock

Mfr. Part No.
21-033321-009

Mouser Part No
654-21-033321-009

Amphenol Aerospace

Circular MIL Spec Contacts Bushing

Datasheet

85In Stock

£53.50

£47.56

£45.73

£44.21

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

21-033122-546
Amphenol Aerospace
1: £64.76
16In Stock

Mfr. Part No.
21-033122-546

Mouser Part No
654-21-033122-546

Amphenol Aerospace

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

16In Stock

£64.76

£62.89

£50.56

£48.21

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts SOCKET

21-033121-563
Amphenol Aerospace
1: £50.81
3In Stock

Mfr. Part No.
21-033121-563

Mouser Part No
654-21-033121-563

Amphenol Aerospace

Circular MIL Spec Contacts SOCKET

3In Stock

£50.81

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22M P C TAIL

10-407552-055
Amphenol Aerospace
1: £3.95
17,159In Stock
12,100Expected 12/11/2026

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

17,159In Stock

12,100Expected 12/11/2026

£3.95

£3.28

£3.12

£2.96

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 8P Pin use with Cbl PIC E6A3824

21-032904-021
Amphenol Aerospace
1: £269.99
126In Stock
31On Order

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

Datasheet

126In Stock

31On Order

£269.99

£259.20

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 8P Socket use W/ Cbl PIC E6A3824

21-032905-021
Amphenol Aerospace
1: £579.10
64In 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

Datasheet

64In Stock

£579.10

Min.: 1
Mult.: 1

Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R

21-033101-023
Amphenol Aerospace
1: £101.98
278In 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

Datasheet

278In Stock

£101.98

£94.95

£92.42

£88.71

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN COAX SZ 8

21-033102-023
Amphenol Aerospace
1: £79.02
135In Stock

Mfr. Part No.
21-033102-023

Mouser Part No
654-21-033102-023

Amphenol Aerospace

Circular MIL Spec Contacts PIN COAX SZ 8

135In Stock

£79.02

Min.: 1
Mult.: 1