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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: $254.04
65In Stock

Mfr. Part #
21-033470-111

Mouser Part #
654-21-033470-111

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX PI

Datasheet

65In Stock

$254.04

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL

10-497596-055
Amphenol Aerospace
1: $6.75
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

$6.75

$6.16

$6.07

Min.: 1
Mult.: 1

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

21-033123-563
Amphenol Aerospace
1: $67.64
38In Stock
33Expected 9/29/2026

Mfr. Part #
21-033123-563

Mouser Part #
654-21-033123-563

Amphenol Aerospace

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

38In Stock

33Expected 9/29/2026

$67.64

$59.73

$57.29

$55.26

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT QUADRAX

21-033471-111
Amphenol Aerospace
1: $344.87
46In Stock

Mfr. Part #
21-033471-111

Mouser Part #
654-21-033471-111

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT QUADRAX

Datasheet

46In Stock

$344.87

$313.53

$300.94

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22D GA WIRE WRAP 38999

10-407572-075
Amphenol Aerospace
1: $15.25
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

$15.25

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN CONTAC

10-497640-125
Amphenol Aerospace
1: $19.29
54In Stock

Mfr. Part #
10-497640-125

Mouser Part #
654-10-497640-125

Amphenol Aerospace

Circular MIL Spec Contacts PIN CONTAC

54In Stock

$19.29

$18.73

$12.51

$12.21

View

Min.: 1
Mult.: 1

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

21-033899-8Q2
Amphenol Aerospace
1: $14.74
58In 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

58In Stock

$14.74

$13.07

$12.57

$11.95

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999

10-497596-035
Amphenol Aerospace
1: $9.42
165In Stock

Mfr. Part #
10-497596-035

Mouser Part #
654-10-497596-035

Amphenol Aerospace

Circular MIL Spec Contacts PIN 20 GA PC TAIL 38999

Datasheet

165In Stock

$9.42

$8.41

$8.00

$7.44

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Coax Socket Contact

21-033101-025
Amphenol Aerospace
1: $107.89
6In Stock

Mfr. Part #
21-033101-025

Mouser Part #
654-21-033101-025

Amphenol Aerospace

Circular MIL Spec Contacts Coax Socket Contact

6In Stock

$107.89

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Hi Frequency Socket Contact

21-033101-029
Amphenol Aerospace
1: $130.47
1In Stock

Mfr. Part #
21-033101-029

Mouser Part #
654-21-033101-029

Amphenol Aerospace

Circular MIL Spec Contacts Hi Frequency Socket Contact

1In Stock

$130.47

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 20 GA WIRE WRAP

10-407584-035
Amphenol Aerospace
1: $19.14
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

$19.14

$14.42

$11.46

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 38999 III 8 SKT CONCNTRC TWIN

21-033191-071
Amphenol Aerospace
1: $478.34
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

$478.34

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 PIN QDRAX CON

21-033384-191
Amphenol Aerospace
1: $172.82
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

$172.82

View

Min.: 1
Mult.: 1

No

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

21-033122-541
Amphenol Aerospace
1: $40.02
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

$40.02

$34.80

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT

21-033384-031
Amphenol Aerospace
1: $207.67
4In Stock

Mfr. Part #
21-033384-031

Mouser Part #
654-21-033384-031

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT

Datasheet

4In Stock

$207.67

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 8P Pin use with Cbl GORE RCN8966-24

21-032904-011
Amphenol Aerospace
1: $416.53
2In Stock

Mfr. Part #
21-032904-011

Mouser Part #
654-21-032904-011

Amphenol Aerospace

Circular MIL Spec Contacts 8P Pin use with Cbl GORE RCN8966-24

Datasheet

2In Stock

$416.53

View

Min.: 1
Mult.: 1

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

21-033102-025
Amphenol Aerospace
1: $85.65
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

$85.65

$76.12

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts Bushing

21-033321-009
Amphenol Aerospace
1: $71.26
83In Stock

Mfr. Part #
21-033321-009

Mouser Part #
654-21-033321-009

Amphenol Aerospace

Circular MIL Spec Contacts Bushing

Datasheet

83In Stock

$71.26

$63.35

$60.91

$58.88

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

21-033122-546
Amphenol Aerospace
1: $86.26
15In Stock

Mfr. Part #
21-033122-546

Mouser Part #
654-21-033122-546

Amphenol Aerospace

Circular MIL Spec Contacts D38999/20WE35SN W/PCB

15In Stock

$86.26

$83.77

$67.34

$64.21

View

Min.: 1
Mult.: 1

Standard Circular Connector WALL MNT NIC PINS

TVP00RZF-13-53P
Amphenol Aerospace
1: $416.23
6In Stock

Mfr. Part #
TVP00RZF-13-53P

Mouser Part #
654-TVP00RZF-13-53P

Amphenol Aerospace

Standard Circular Connector WALL MNT NIC PINS

Datasheet

6In Stock

$416.23

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts SOCKET

21-033121-563
Amphenol Aerospace
1: $67.67
3In Stock

Mfr. Part #
21-033121-563

Mouser Part #
654-21-033121-563

Amphenol Aerospace

Circular MIL Spec Contacts SOCKET

3In Stock

$67.67

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22M P C TAIL

10-407552-055
Amphenol Aerospace
1: $5.62
15,017In Stock
12,100Expected 11/12/2026

Mfr. Part #
10-407552-055

Mouser Part #
654-10-407552-055

Amphenol Aerospace

Circular MIL Spec Contacts PIN 22M P C TAIL

Datasheet

15,017In Stock

12,100Expected 11/12/2026

$5.62

$4.81

$4.54

$4.32

View

Min.: 1
Mult.: 1

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

21-032904-021
Amphenol Aerospace
1: $359.62
137In Stock
15Expected 7/28/2026

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

137In Stock

15Expected 7/28/2026

$359.62

$345.24

Min.: 1
Mult.: 1

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

21-032905-021
Amphenol Aerospace
1: $712.03
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

$712.03

Min.: 1
Mult.: 1

Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R

21-033101-023
Amphenol Aerospace
1: $135.83
549In Stock

Mfr. Part #
21-033101-023

Mouser Part #
654-21-033101-023

Amphenol Aerospace

Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R

Datasheet

549In Stock

$135.83

$126.47

$123.09

$109.08

Min.: 1
Mult.: 1