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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 CONTACT

21-033101-024
Amphenol Aerospace
1: £183.43
96On Order

Mfr. Part No.
21-033101-024

Mouser Part No
654-21-033101-024

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT

96On Order

£183.43

£173.59

£167.28

£167.00

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Socket Contact

21-033101-027
Amphenol Aerospace
1: £192.73
84On Order

Mfr. Part No.
21-033101-027

Mouser Part No
654-21-033101-027

Amphenol Aerospace

Circular MIL Spec Contacts Socket Contact

84On Order

£192.73

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 I II III CON 16 PIN COAX

21-033122-563
Amphenol Aerospace
1: £30.28
340On Order

Mfr. Part No.
21-033122-563

Mouser Part No
654-21-033122-563

Amphenol Aerospace

Circular MIL Spec Contacts 38999 I II III CON 16 PIN COAX

340On Order

£30.28

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR

21-033471-001
Amphenol Aerospace
1: £174.69
2In Stock
Factory Special Order

Mfr. Part No.
21-033471-001

Mouser Part No
654-21-033471-001

Factory Special Order

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX CONTACT SPLIT PAIR

Datasheet

2In Stock

£174.69

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts Hi Frequency Pin Contact

21-033102-027
Amphenol Aerospace
1: £270.04
4Expected 10/11/2026

Mfr. Part No.
21-033102-027

Mouser Part No
654-21-033102-027

Amphenol Aerospace

Circular MIL Spec Contacts Hi Frequency Pin Contact

4Expected 10/11/2026

£270.04

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 II 12 SKT COAX CONTACT

21-033121-546
Amphenol Aerospace
1: £42.60
44On Order

Mfr. Part No.
21-033121-546

Mouser Part No
654-21-033121-546

Amphenol Aerospace

Circular MIL Spec Contacts 38999 II 12 SKT COAX CONTACT

44On Order

£42.60

Min.: 1
Mult.: 1

Circular MIL Spec Contacts CONTACT

21-033650-031
Amphenol Aerospace
1: £119.56
76On Order

Mfr. Part No.
21-033650-031

Mouser Part No
654-21-033650-031

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT

76On Order

£119.56

£112.00

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 21-033650-030

21-033650-030
Amphenol Aerospace
1: £101.22
32Expected 21/09/2026

Mfr. Part No.
21-033650-030

Mouser Part No
654-21033650030

Amphenol Aerospace

Circular MIL Spec Contacts 21-033650-030

Datasheet

32Expected 21/09/2026

£101.22

£86.04

£84.25

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 22M P C TAIL

10-407552-085
Amphenol Aerospace
1: £2.98
240Expected 06/10/2026

Mfr. Part No.
10-407552-085

Mouser Part No
654-10-407552-085

Amphenol Aerospace

Circular MIL Spec Contacts PIN 22M P C TAIL

Datasheet

240Expected 06/10/2026

£2.98

£2.85

£2.77

£2.68

£2.02

Min.: 1
Mult.: 1

Circular MIL Spec Contacts PIN 16 GA PC TAIL

10-497630-035
Amphenol Aerospace
1: £11.31
55Expected 18/12/2026

Mfr. Part No.
10-497630-035

Mouser Part No
654-10-497630-035

Amphenol Aerospace

Circular MIL Spec Contacts PIN 16 GA PC TAIL

Datasheet

55Expected 18/12/2026

£11.31

£9.04

£8.70

£7.88

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts MiniatureCylindrical Connector

21-033388-021
Amphenol Aerospace
1: £143.42
6Expected 17/08/2026

Mfr. Part No.
21-033388-021

Mouser Part No
654-21-033388-021

Amphenol Aerospace

Circular MIL Spec Contacts MiniatureCylindrical Connector

Datasheet

6Expected 17/08/2026

£143.42

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts TWINAX CONTACT

21-033908-025
Amphenol Aerospace
1: £173.33
3On Order

Mfr. Part No.
21-033908-025

Mouser Part No
654-21-033908-025

Amphenol Aerospace

Circular MIL Spec Contacts TWINAX CONTACT

Datasheet

3On Order

£173.33

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts SKT PC TAIL

10-497631-075
Amphenol Aerospace
1: £36.90
70Stock Available

Mfr. Part No.
10-497631-075

Mouser Part No
654-10-497631-075

Amphenol Aerospace

Circular MIL Spec Contacts SKT PC TAIL

70Stock Available

More Info Available

£36.90

£36.88

£30.73

£28.43

£27.73

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts PIN 20 GA PC TAIL

10-497640-065
Amphenol Aerospace
1: £6.23
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
10-497640-065

Mouser Part No
654-10-497640-065

Amphenol Aerospace

Circular MIL Spec Contacts PIN 20 GA PC TAIL

Non-Stocked Lead-Time 18 Weeks

£6.23

£5.61

£5.28

£5.22

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts CONTACT

10-497694-135
Amphenol Aerospace
100: £7.24
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
10-497694-135

Mouser Part No
654-10-497694-135

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT

Non-Stocked Lead-Time 18 Weeks

£7.24

£6.60

£6.17

Min.: 100
Mult.: 1

No

Circular MIL Spec Contacts CONTACT

10-597502-025
Amphenol Aerospace
1: £21.57
Lead-Time 18 Weeks

Mfr. Part No.
10-597502-025

Mouser Part No
654-10-597502-025

Amphenol Aerospace

Circular MIL Spec Contacts CONTACT

Datasheet

Lead-Time 18 Weeks

£21.57

£18.33

£17.19

£16.36

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Contacts 8P Pin use with Cbl Thermax MX10G-24HP

21-032904-001
Amphenol Aerospace
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
21-032904-001

Mouser Part No
654-21-032904-001

Amphenol Aerospace

Circular MIL Spec Contacts 8P Pin use with Cbl Thermax MX10G-24HP

Datasheet

Non-Stocked Lead-Time 13 Weeks

Quote

Circular MIL Spec Contacts 8P Socket use W/ Cbl Thermax MX10G-24HP

21-032905-001
Amphenol Aerospace
Lead-Time 13 Weeks

Mfr. Part No.
21-032905-001

Mouser Part No
654-21-032905-001

Amphenol Aerospace

Circular MIL Spec Contacts 8P Socket use W/ Cbl Thermax MX10G-24HP

Datasheet

Lead-Time 13 Weeks

Quote

Circular MIL Spec Contacts 8P Pin PCB Crimp

21-032906-001
Amphenol Aerospace
Lead-Time 15 Weeks

Mfr. Part No.
21-032906-001

Mouser Part No
654-21-032906-001

Amphenol Aerospace

Circular MIL Spec Contacts 8P Pin PCB Crimp

Datasheet

Lead-Time 15 Weeks

Quote

Circular MIL Spec Contacts 8P Socket PCB Crimp

21-032907-001
Amphenol Aerospace
N/A

Mfr. Part No.
21-032907-001

Mouser Part No
654-21-032907-001

Amphenol Aerospace

Circular MIL Spec Contacts 8P Socket PCB Crimp

Datasheet

N/A

Quote

Circular MIL Spec Contacts QUADRAX CONTACT PIN 26 AWG 150 OHM

21-033450-001
Amphenol Aerospace
N/A

Mfr. Part No.
21-033450-001

Mouser Part No
654-21-033450-001

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX CONTACT PIN 26 AWG 150 OHM

Datasheet

N/A

Quote

No

Circular MIL Spec Contacts QUADRAX CONTACT SKT 26 AWG 150 OHM

21-033451-001
Amphenol Aerospace
Lead-Time 13 Weeks

Mfr. Part No.
21-033451-001

Mouser Part No
654-21-033451-001

Amphenol Aerospace

Circular MIL Spec Contacts QUADRAX CONTACT SKT 26 AWG 150 OHM

Datasheet

Lead-Time 13 Weeks

Quote

No

Circular MIL Spec Contacts 8P Coaxial Pin for Belden 1855A Cbl

21-033592-031
Amphenol Aerospace
Non-Stocked Lead-Time 13 Weeks
Factory Special Order

Mfr. Part No.
21-033592-031

Mouser Part No
654-21-033592-031

Factory Special Order

Amphenol Aerospace

Circular MIL Spec Contacts 8P Coaxial Pin for Belden 1855A Cbl

Datasheet

Non-Stocked Lead-Time 13 Weeks

Quote

No

Circular MIL Spec Contacts COAX CONTACT

21-033650-011
Amphenol Aerospace
Non-Stocked Lead-Time 13 Weeks
Factory Special Order

Mfr. Part No.
21-033650-011

Mouser Part No
654-21-033650-011

Factory Special Order

Amphenol Aerospace

Circular MIL Spec Contacts COAX CONTACT

Datasheet

Non-Stocked Lead-Time 13 Weeks

Quote

Circular MIL Spec Contacts Quadrax Plug Adapter High Speed to Board

21-033836-081
Amphenol Aerospace
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
21-033836-081

Mouser Part No
654-21-033836-081

Amphenol Aerospace

Circular MIL Spec Contacts Quadrax Plug Adapter High Speed to Board

Datasheet

Non-Stocked Lead-Time 18 Weeks

Quote

No