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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: $275.25
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

$275.25

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Pin Contact SZ 4

M39029/48-320
Amphenol Aerospace
1: $103.88
79In Stock
45Expected 2026/08/24

Mfr. Part No.
M39029/48-320

Mouser Part No
654-M39029/48-320

Amphenol Aerospace

Circular MIL Spec Contacts Pin Contact SZ 4

79In Stock

45Expected 2026/08/24

$103.88

$97.60

$96.98

$88.04

View

Min.: 1
Mult.: 1

No

Fibre Optic Connectors ST Plug SZ 21 Four Cavity

CF-599621-04P
Amphenol Aerospace
1: $619.58
15In Stock

Mfr. Part No.
CF-599621-04P

Mouser Part No
654-CF-599621-04P

Amphenol Aerospace

Fibre Optic Connectors ST Plug SZ 21 Four Cavity

Datasheet

15In Stock

$619.58

$587.08

Quote

Min.: 1
Mult.: 1

No

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

21-033123-563
Amphenol Aerospace
1: $67.65
47In Stock

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

47In Stock

$67.65

$59.74

$57.30

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 I III CON 8 PIN COAX

21-033102-041
Amphenol Aerospace
1: $329.51
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

$329.51

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR

21-033470-001
Amphenol Aerospace
1: $239.85
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

$239.85

$232.16

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT QUADRAX

21-033471-111
Amphenol Aerospace
1: $344.83
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

$344.83

$313.59

$301.02

Min.: 1
Mult.: 1

Circular MIL Spec Contacts QUADRAX CONTACT PIN 100 OHM

21-033387-021
Amphenol Aerospace
1: $193.42
17In Stock

Mfr. Part No.
21-033387-021

Mouser Part No
654-21-033387-021

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX CONTACT PIN 100 OHM

Datasheet

17In Stock

$193.42

$191.57

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL

10-497596-055
Amphenol Aerospace
1: $6.71
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

$6.71

$6.14

$6.02

$5.99

Min.: 1
Mult.: 1

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

21-033899-8Q2
Amphenol Aerospace
1: $14.75
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

$14.75

$13.07

$12.57

$11.96

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Coax Socket Contact

21-033101-025
Amphenol Aerospace
1: $107.91
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

$107.91

View

Min.: 1
Mult.: 1

No

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

21-033122-541
Amphenol Aerospace
1: $40.03
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

$40.03

$34.81

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT

21-033384-031
Amphenol Aerospace
1: $207.71
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

$207.71

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN

21-033191-071
Amphenol Aerospace
1: $478.42
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

$478.42

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON

21-033384-191
Amphenol Aerospace
1: $172.86
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

$172.86

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 20 GA WIRE WRAP

10-407584-035
Amphenol Aerospace
1: $19.14
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

$19.14

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999

10-407572-075
Amphenol Aerospace
1: $15.26
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

$15.26

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN CONTAC

10-497640-125
Amphenol Aerospace
1: $19.29
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

$19.29

$18.74

$12.50

View

Min.: 1
Mult.: 1

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

21-033102-025
Amphenol Aerospace
1: $85.67
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

$85.67

$77.42

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999

10-497596-035
Amphenol Aerospace
1: $9.33
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

$9.33

$8.37

$8.01

$7.56

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Bushing

21-033321-009
Amphenol Aerospace
1: $71.27
89In Stock

Mfr. Part No.
21-033321-009

Mouser Part No
654-21-033321-009

Amphenol Aerospace

Circular MIL Spec Contacts Bushing

Datasheet

89In Stock

$71.27

$63.36

$60.92

$58.89

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

21-033122-546
Amphenol Aerospace
1: $86.27
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

$86.27

$83.78

$67.35

$64.22

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts SOCKET

21-033121-563
Amphenol Aerospace
1: $67.69
3In Stock

Mfr. Part No.
21-033121-563

Mouser Part No
654-21-033121-563

Amphenol Aerospace

Circular MIL Spec Contacts SOCKET

3In Stock

$67.69

View

Min.: 1
Mult.: 1

Standard Circular Connector WALL MNT NIC PINS

TVP00RZF-13-53P
Amphenol Aerospace
1: $377.27
10In Stock

Mfr. Part No.
TVP00RZF-13-53P

Mouser Part No
654-TVP00RZF-13-53P

Amphenol Aerospace

Standard Circular Connector WALL MNT NIC PINS

Datasheet

10In Stock

$377.27

$344.39

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 22M P C TAIL

10-407552-055
Amphenol Aerospace
1: $5.26
18,159In 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

18,159In Stock

$5.26

$4.37

$4.15

$3.94

View

Min.: 1
Mult.: 1