Skip to Main Content

+44 (0) 1494-427500

Part of the TTI Family of Specialists Contact Mouser (UK) +44 (0) 1494-427500 Feedback

Change Location

English USD

In Stock RoHS

.hide-partial { max-height: none; } .show-more { display: none; }

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.

All Results (152)

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Select a category below to see filtering options and narrow down your search.

Part #

Circular MIL Spec Contacts CONTACT, SKT -QUADRAX

21-033471-151
Amphenol Aerospace
1: $395.91
63In Stock

Mfr. Part No.
21-033471-151

Mouser Part No
654-21-033471-151

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT, SKT -QUADRAX

Datasheet

63In Stock

$395.91

$360.13

$347.24

Min.: 1
Mult.: 1

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 MIL-DTL-38999 SERIES I III COAX SCKT CON

21-033123-563
Amphenol Aerospace
1: $67.65
57In 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

57In Stock

$67.65

$59.74

$57.30

$55.27

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Pin Contact SZ 4

M39029/48-320
Amphenol Aerospace
1: $103.88
88In 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

88In Stock

45Expected 2026/08/24

$103.88

$97.60

$96.98

$88.04

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts CONTACT QUADRAX

21-033471-111
Amphenol Aerospace
1: $311.14
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

$311.14

$290.42

Min.: 1
Mult.: 1

Circular MIL Spec Contacts MiniatureCylindrical Connector

21-033388-021
Amphenol Aerospace
1: $173.21
8In Stock

Mfr. Part No.
21-033388-021

Mouser Part No
654-21-033388-021

Amphenol Aerospace

Circular MIL Spec Contacts MiniatureCylindrical Connector

Datasheet

8In Stock

$173.21

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
33In Stock
105Expected 2026/05/18

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

33In Stock

105Expected 2026/05/18

$14.75

$13.07

$12.57

$11.96

View

Min.: 1
Mult.: 1

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 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 Hi Frequency Pin Contact

21-033102-027
Amphenol Aerospace
1: $348.69
2In Stock

Mfr. Part No.
21-033102-027

Mouser Part No
654-21-033102-027

Amphenol Aerospace

Circular MIL Spec Contacts Hi Frequency Pin Contact

2In Stock

$348.69

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 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 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 CONTACT QUADRAX

21-033470-151
Amphenol Aerospace
1: $214.54
32In Stock

Mfr. Part No.
21-033470-151

Mouser Part No
654-21-033470-151

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT QUADRAX

Datasheet

32In Stock

$214.54

Min.: 1
Mult.: 1

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

21-033122-546
Amphenol Aerospace
1: $73.70
19In Stock

Mfr. Part No.
21-033122-546

Mouser Part No
654-21-033122-546

Amphenol Aerospace

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

19In Stock

$73.70

$65.51

$62.99

$60.89

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 II CON 16 PIN COAX RG178

21-033122-564
Amphenol Aerospace
1: $83.35
6In Stock

Mfr. Part No.
21-033122-564

Mouser Part No
654-21-033122-564

Amphenol Aerospace

Circular MIL Spec Contacts 38999 II CON 16 PIN COAX RG178

6In Stock

$83.35

View

Min.: 1
Mult.: 1

Standard Circular Connector WALL MNT NIC PINS

TVP00RZF-13-53P
Amphenol Aerospace
1: $377.27
12In Stock

Mfr. Part No.
TVP00RZF-13-53P

Mouser Part No
654-TVP00RZF-13-53P

Amphenol Aerospace

Standard Circular Connector WALL MNT NIC PINS

Datasheet

12In Stock

$377.27

$344.39

View

Min.: 1
Mult.: 1

No

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

21-032904-021
Amphenol Aerospace
1: $359.68
87In Stock
100Expected 2026/06/19

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

87In Stock

100Expected 2026/06/19

$359.68

$345.31

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22M P C TAIL

10-407552-055
Amphenol Aerospace
1: $4.77
8,522In Stock
10,000Expected 2026/06/15

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

8,522In Stock

10,000Expected 2026/06/15

$4.77

$4.29

$4.12

$3.93

View

Min.: 1
Mult.: 1

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

21-032905-021
Amphenol Aerospace
1: $771.46
65In 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

65In Stock

$771.46

Min.: 1
Mult.: 1

Circular MIL Spec Contacts SKT COAX SZ 8 LJT-R

21-033101-023
Amphenol Aerospace
1: $118.18
415In 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

415In Stock

$118.18

Min.: 1
Mult.: 1

Circular MIL Spec Contacts BUSHING

21-033321-005
Amphenol Aerospace
1: $18.08
1,841In Stock

Mfr. Part No.
21-033321-005

Mouser Part No
654-21-033321-005

Amphenol Aerospace

Circular MIL Spec Contacts BUSHING

Datasheet

1,841In Stock

$18.08

$14.28

$13.92

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 21-033651-030

21-033651-030
Amphenol Aerospace
1: $124.17
128In Stock

Mfr. Part No.
21-033651-030

Mouser Part No
654-21033651030

Amphenol Aerospace

Circular MIL Spec Contacts 21-033651-030

Datasheet

128In Stock

$124.17

Min.: 1
Mult.: 1