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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: $365.82
65In Stock

Mfr. Part #
21-033470-111

Mouser Part #
654-21-033470-111

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX PI

Datasheet

65In Stock

$365.82

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Pin Contact SZ 4

M39029/48-320
Amphenol Aerospace
1: $149.56
79In Stock
45Expected 2026-08-24

Mfr. Part #
M39029/48-320

Mouser Part #
654-M39029/48-320

Amphenol Aerospace

Circular MIL Spec Contacts Pin Contact SZ 4

79In Stock

45Expected 2026-08-24

$149.56

$140.52

$139.62

$126.75

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 38999 I III CON 8 PIN COAX

21-033102-041
Amphenol Aerospace
1: $474.41
7In Stock

Mfr. Part #
21-033102-041

Mouser Part #
654-21-033102-041

Amphenol Aerospace

Circular MIL Spec Contacts 38999 I III CON 8 PIN COAX

7In Stock

$474.41

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR

21-033470-001
Amphenol Aerospace
1: $345.21
53In Stock

Mfr. Part #
21-033470-001

Mouser Part #
654-21-033470-001

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR

Datasheet

53In Stock

$345.21

$308.55

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL

10-497596-055
Amphenol Aerospace
1: $9.76
483In Stock

Mfr. Part #
10-497596-055

Mouser Part #
654-10-497596-055

Amphenol Aerospace

Circular MIL Spec Contacts PIN 20 GA PC TAIL

Datasheet

483In Stock

$9.76

$8.97

$8.83

$8.71

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT QUADRAX

21-033471-111
Amphenol Aerospace
1: $496.44
46In Stock

Mfr. Part #
21-033471-111

Mouser Part #
654-21-033471-111

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT QUADRAX

Datasheet

46In Stock

$496.44

$451.48

$433.45

Min.: 1
Mult.: 1

Circular MIL Spec Contacts QUADRAX CONTACT PIN 100 OHM

21-033387-021
Amphenol Aerospace
1: $275.80
17In Stock

Mfr. Part #
21-033387-021

Mouser Part #
654-21-033387-021

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX CONTACT PIN 100 OHM

Datasheet

17In Stock

$275.80

Min.: 1
Mult.: 1

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

21-033899-8Q2
Amphenol Aerospace
1: $21.23
138In Stock

Mfr. Part #
21-033899-8Q2

Mouser Part #
654-21-033899-8Q2

Amphenol Aerospace

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

Datasheet

138In Stock

$21.23

$18.82

$18.10

$17.21

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA WIRE WRAP

10-407584-035
Amphenol Aerospace
1: $27.56
8In Stock

Mfr. Part #
10-407584-035

Mouser Part #
654-10-407584-035

Amphenol Aerospace

Circular MIL Spec Contacts PIN 20 GA WIRE WRAP

8In Stock

$27.56

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Hi Frequency Pin Contact

21-033102-027
Amphenol Aerospace
1: $467.06
1In Stock

Mfr. Part #
21-033102-027

Mouser Part #
654-21-033102-027

Amphenol Aerospace

Circular MIL Spec Contacts Hi Frequency Pin Contact

1In Stock

$467.06

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN

21-033191-071
Amphenol Aerospace
1: $688.81
3In Stock

Mfr. Part #
21-033191-071

Mouser Part #
654-21-033191-071

Amphenol Aerospace

Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN

Datasheet

3In Stock

$688.81

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON

21-033384-191
Amphenol Aerospace
1: $248.86
1In Stock

Mfr. Part #
21-033384-191

Mouser Part #
654-21-033384-191

Amphenol Aerospace

Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON

Datasheet

1In Stock

$248.86

View

Min.: 1
Mult.: 1

No

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

21-033122-541
Amphenol Aerospace
1: $57.63
16In Stock

Mfr. Part #
21-033122-541

Mouser Part #
654-21-033122-541

Amphenol Aerospace

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

16In Stock

$57.63

$50.11

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT

21-033384-031
Amphenol Aerospace
1: $299.04
4In Stock

Mfr. Part #
21-033384-031

Mouser Part #
654-21-033384-031

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT

Datasheet

4In Stock

$299.04

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Coax Socket Contact

21-033101-025
Amphenol Aerospace
1: $155.36
6In Stock

Mfr. Part #
21-033101-025

Mouser Part #
654-21-033101-025

Amphenol Aerospace

Circular MIL Spec Contacts Coax Socket Contact

6In Stock

$155.36

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999

10-407572-075
Amphenol Aerospace
1: $21.96
1In Stock

Mfr. Part #
10-407572-075

Mouser Part #
654-10-407572-075

Amphenol Aerospace

Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999

Datasheet

1In Stock

$21.96

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN CONTAC

10-497640-125
Amphenol Aerospace
1: $27.78
54In Stock

Mfr. Part #
10-497640-125

Mouser Part #
654-10-497640-125

Amphenol Aerospace

Circular MIL Spec Contacts PIN CONTAC

54In Stock

$27.78

$26.97

$18.00

View

Min.: 1
Mult.: 1

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

21-033102-025
Amphenol Aerospace
1: $123.34
19In Stock

Mfr. Part #
21-033102-025

Mouser Part #
654-21-033102-025

Amphenol Aerospace

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

19In Stock

$123.34

$111.47

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Bushing

21-033321-009
Amphenol Aerospace
1: $102.61
89In Stock

Mfr. Part #
21-033321-009

Mouser Part #
654-21-033321-009

Amphenol Aerospace

Circular MIL Spec Contacts Bushing

Datasheet

89In Stock

$102.61

$91.22

$87.71

$84.79

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

21-033122-546
Amphenol Aerospace
1: $124.21
18In Stock

Mfr. Part #
21-033122-546

Mouser Part #
654-21-033122-546

Amphenol Aerospace

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

18In Stock

$124.21

$120.63

$96.97

$92.46

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts SOCKET

21-033121-563
Amphenol Aerospace
1: $97.44
3In Stock

Mfr. Part #
21-033121-563

Mouser Part #
654-21-033121-563

Amphenol Aerospace

Circular MIL Spec Contacts SOCKET

3In Stock

$97.44

View

Min.: 1
Mult.: 1

Standard Circular Connector WALL MNT NIC PINS

TVP00RZF-13-53P
Amphenol Aerospace
1: $543.17
10In Stock

Mfr. Part #
TVP00RZF-13-53P

Mouser Part #
654-TVP00RZF-13-53P

Amphenol Aerospace

Standard Circular Connector WALL MNT NIC PINS

Datasheet

10In Stock

$543.17

$495.82

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 22M P C TAIL

10-407552-055
Amphenol Aerospace
1: $7.56
18,859In Stock

Mfr. Part #
10-407552-055

Mouser Part #
654-10-407552-055

Amphenol Aerospace

Circular MIL Spec Contacts PIN 22M P C TAIL

Datasheet

18,859In Stock

$7.56

$6.29

$5.98

$5.67

View

Min.: 1
Mult.: 1

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

21-032904-021
Amphenol Aerospace
1: $517.85
126In Stock
31Expected 2026-06-19

Mfr. Part #
21-032904-021

Mouser Part #
654-21-032904-021

Amphenol Aerospace

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

Datasheet

126In Stock

31Expected 2026-06-19

$517.85

$497.15

Min.: 1
Mult.: 1

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

21-032905-021
Amphenol Aerospace
1: $1,025.32
64In Stock

Mfr. Part #
21-032905-021

Mouser Part #
654-21-032905-021

Amphenol Aerospace

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

Datasheet

64In Stock

$1,025.32

Min.: 1
Mult.: 1