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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: CHF 218.21
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

CHF 218.21

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL

10-497596-055
Amphenol Aerospace
1: CHF 8.89
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

CHF 8.89

CHF 8.00

CHF 7.54

CHF 7.34

View

Min.: 1
Mult.: 1

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

21-033123-563
Amphenol Aerospace
1: CHF 53.63
42In Stock
33Expected 9/29/2026

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 9/29/2026

CHF 53.63

CHF 47.36

CHF 45.43

CHF 43.81

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999

10-407572-075
Amphenol Aerospace
1: CHF 16.73
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 16.73

CHF 14.22

CHF 13.33

CHF 12.70

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN CONTAC

10-497640-125
Amphenol Aerospace
1: CHF 13.97
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

CHF 13.97

CHF 12.11

CHF 11.47

CHF 11.30

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT QUADRAX

21-033471-111
Amphenol Aerospace
1: CHF 273.47
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

CHF 273.47

CHF 248.61

CHF 238.62

Min.: 1
Mult.: 1

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

21-033899-8Q2
Amphenol Aerospace
1: CHF 11.69
58In Stock
105Expected 10/2/2026

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

Datasheet

58In Stock

105Expected 10/2/2026

CHF 11.69

CHF 10.36

CHF 9.97

CHF 9.48

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999

10-497596-035
Amphenol Aerospace
1: CHF 9.35
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 9.35

CHF 8.29

CHF 7.97

CHF 7.58

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA WIRE WRAP

10-407584-035
Amphenol Aerospace
1: CHF 16.48
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 16.48

CHF 14.28

CHF 13.53

CHF 13.34

View

Min.: 1
Mult.: 1

No

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

21-033122-541
Amphenol Aerospace
1: CHF 31.74
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

CHF 31.74

CHF 27.60

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT

21-033384-031
Amphenol Aerospace
1: CHF 164.67
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

CHF 164.67

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Coax Socket Contact

21-033101-025
Amphenol Aerospace
1: CHF 85.55
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

CHF 85.55

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Hi Frequency Socket Contact

21-033101-029
Amphenol Aerospace
1: CHF 103.45
1In Stock

Mfr. Part No.
21-033101-029

Mouser Part No
654-21-033101-029

Amphenol Aerospace

Circular MIL Spec Contacts Hi Frequency Socket Contact

1In Stock

CHF 103.45

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN

21-033191-071
Amphenol Aerospace
1: CHF 379.28
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

CHF 379.28

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON

21-033384-191
Amphenol Aerospace
1: CHF 137.04
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

Datasheet

1In Stock

CHF 137.04

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: CHF 67.91
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

CHF 67.91

CHF 59.34

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Bushing

21-033321-009
Amphenol Aerospace
1: CHF 56.50
83In Stock

Mfr. Part No.
21-033321-009

Mouser Part No
654-21-033321-009

Amphenol Aerospace

Circular MIL Spec Contacts Bushing

Datasheet

83In Stock

CHF 56.50

CHF 50.23

CHF 48.29

CHF 46.69

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

21-033122-546
Amphenol Aerospace
1: CHF 68.39
15In Stock

Mfr. Part No.
21-033122-546

Mouser Part No
654-21-033122-546

Amphenol Aerospace

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

15In Stock

CHF 68.39

CHF 66.42

CHF 53.39

CHF 50.91

View

Min.: 1
Mult.: 1

Standard Circular Connector WALL MNT NIC PINS

TVP00RZF-13-53P
Amphenol Aerospace
1: CHF 330.04
6In Stock

Mfr. Part No.
TVP00RZF-13-53P

Mouser Part No
654-TVP00RZF-13-53P

Amphenol Aerospace

Standard Circular Connector WALL MNT NIC PINS

Datasheet

6In Stock

CHF 330.04

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts SOCKET

21-033121-563
Amphenol Aerospace
1: CHF 53.66
3In Stock

Mfr. Part No.
21-033121-563

Mouser Part No
654-21-033121-563

Amphenol Aerospace

Circular MIL Spec Contacts SOCKET

3In Stock

CHF 53.66

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22M P C TAIL

10-407552-055
Amphenol Aerospace
1: CHF 3.20
14’617In Stock
30’100On Order

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

14’617In Stock

30’100On Order

CHF 3.20

CHF 2.90

CHF 2.78

CHF 2.66

View

Min.: 1
Mult.: 1

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

21-032904-021
Amphenol Aerospace
1: CHF 285.15
152In Stock

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

152In Stock

CHF 285.15

CHF 273.75

Min.: 1
Mult.: 1

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

21-032905-021
Amphenol Aerospace
1: CHF 611.60
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

CHF 611.60

Min.: 1
Mult.: 1

Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R

21-033101-023
Amphenol Aerospace
1: CHF 113.87
546In 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

546In Stock

CHF 113.87

CHF 107.07

CHF 93.69

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 I III CON 8 PIN COAX

21-033102-041
Amphenol Aerospace
1: CHF 261.23
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

CHF 261.23

View

Min.: 1
Mult.: 1

No