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Circular MIL Spec Connectors

Circular MIL Spec Connectors are in stock with same-day shipping at Mouser from industry leading manufacturers. Mouser is an authorized distributor for leading circular MIL Spec connector manufacturers. Please view our large selection of circular MIL Spec connectors and accessories below.

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Types of Circular MIL Spec Connectors

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Part #

Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-14ZP02
Amphenol PCD
1: ¥9,675.3
25In Stock

Mfr. Part #
M85049/85-14ZP02

Mouser Part #
523-M85049/85-14ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 2

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Datasheet

25In Stock

¥9,675.3

¥8,391.4

¥7,866.5

¥7,667.2

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Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 1

M85049/85-16ZP01
Amphenol PCD
1: ¥10,047.4
14In Stock

Mfr. Part #
M85049/85-16ZP01

Mouser Part #
523-M85049/85-16ZP01

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 1

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Datasheet

14In Stock

¥10,047.4

¥8,711.9

¥8,517.6

¥7,974.5

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Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/82-16ZP02
Amphenol PCD
1: ¥10,431.1
11In Stock

Mfr. Part #
M85049/82-16ZP02

Mouser Part #
523-M85049/82-16ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2

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Datasheet

11In Stock

¥10,431.1

¥9,045.8

¥8,841.5

¥8,604

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-5015, MIL-DTL-26482 II

Straight

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 1

M85049/85-24ZP01
Amphenol PCD
1: ¥12,336.2
5In Stock

Mfr. Part #
M85049/85-24ZP01

Mouser Part #
523-M85049/85-24ZP01

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 1

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Datasheet

5In Stock

¥12,336.2

¥10,965.9

¥10,716.8

¥10,467.6

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Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

M85049/82-12ZP03
Amphenol PCD
1: ¥9,748.4
9In Stock

Mfr. Part #
M85049/82-12ZP03

Mouser Part #
523-M85049/82-12ZP03

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

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Datasheet

9In Stock

¥9,748.4

¥8,454.5

¥8,261.8

¥8,064.2

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Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-5015, MIL-DTL-26482 II

Straight

Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

M85049/85-08ZP02
Amphenol PCD
1: ¥8,946.1
28In Stock

Mfr. Part #
M85049/85-08ZP02

Mouser Part #
523-M85049/85-08ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

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Datasheet

28In Stock

¥8,946.1

¥7,778.5

¥7,467.9

¥7,320

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-12ZP02
Amphenol PCD
1: ¥9,316.5
15In Stock

Mfr. Part #
M85049/85-12ZP02

Mouser Part #
523-M85049/85-12ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry 2

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Datasheet

15In Stock

¥9,316.5

¥8,079.1

¥7,406.4

Quote

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-24ZP02
Amphenol PCD
1: ¥12,336.2
4In Stock

Mfr. Part #
M85049/85-24ZP02

Mouser Part #
523-M85049/85-24ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

4In Stock

¥12,336.2

¥10,965.9

¥9,794.9

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Connector TV 55C 55#22D SKT PLUG ZNI

D38999/26ZE35SA
Amphenol Aerospace
1: ¥26,534.5
15In Stock

Mfr. Part #
D38999/26ZE35SA

Mouser Part #
654-D38999/26ZE35SA

Amphenol Aerospace

Circular MIL Spec Connector TV 55C 55#22D SKT PLUG ZNI

Datasheet

15In Stock

¥26,534.5

¥24,735.6

¥21,729.2

Min.: 1
Mult.: 1

Plugs

MIL-DTL-38999 III

Straight

Circular MIL Spec Tools, Hardware & Accessories DETENT HEX BOLT W/SNP LOCK WASHER

16-002190
Amphenol CONEC
1: ¥745.8
1,720In Stock
805Expected 9/18/2026

Mfr. Part #
16-002190

Mouser Part #
706-16-002190

Amphenol CONEC

Circular MIL Spec Tools, Hardware & Accessories DETENT HEX BOLT W/SNP LOCK WASHER

Datasheet

1,720In Stock

805Expected 9/18/2026

¥745.8

¥679.3

¥649.5

¥622.9

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Min.: 1
Mult.: 1

Circular MIL Spec Connector 4P PLG SZ 21 PIN CBL MNT

D38999/26WG75PN
Amphenol Aerospace
1: ¥124,199.6
28In Stock
92Expected 10/16/2026

Mfr. Part #
D38999/26WG75PN

Mouser Part #
654-D38999/26WG75PN

Amphenol Aerospace

Circular MIL Spec Connector 4P PLG SZ 21 PIN CBL MNT

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Datasheet

28In Stock

92Expected 10/16/2026

¥124,199.6

¥92,919.7

Quote

Min.: 1
Mult.: 1

Plugs

MIL-DTL-38999 III

Straight

Circular MIL Spec Connector RNJ recept 27 NI sz15 rot N 15-35 insert

RNJ27T1535SN023
Amphenol Socapex
1: ¥115,545.8
3In Stock

Mfr. Part #
RNJ27T1535SN023

Mouser Part #
523-RNJ27T1535SN023

Amphenol Socapex

Circular MIL Spec Connector RNJ recept 27 NI sz15 rot N 15-35 insert

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Datasheet

3In Stock

¥115,545.8

¥91,311.8

Min.: 1
Mult.: 1

Receptacles

MIL-DTL-38999 I

Jam Nut

Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/82-18ZP02
Amphenol PCD
1: ¥10,798.2
11In Stock

Mfr. Part #
M85049/82-18ZP02

Mouser Part #
523-M85049/82-18ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 18 Black Zinc Nickel w/ Exposed Nickel Entry 2

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Datasheet

11In Stock

¥10,798.2

¥9,364.7

¥9,152.1

¥8,906.3

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-5015, MIL-DTL-26482 II

Straight

Circular MIL Spec Backshells Straight Shell size 22 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/82-22ZP03
Amphenol PCD
1: ¥11,980.8
14In Stock

Mfr. Part #
M85049/82-22ZP03

Mouser Part #
523-M85049/82-22ZP03

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 22 Black Zinc Nickel w/ Exposed Nickel Entry 3

Learn More

Datasheet

14In Stock

¥11,980.8

¥10,389.6

¥10,153.7

¥9,854.7

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-5015, MIL-DTL-26482 II

Straight

Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/88-19ZP02
Amphenol PCD
1: ¥10,798.2
16In Stock

Mfr. Part #
M85049/88-19ZP02

Mouser Part #
523-M85049/88-19ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

16In Stock

¥10,798.2

¥9,364.7

¥8,477.7

Quote

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Connector 012-8556-000

012-8556-000
ITT Cannon
1: ¥727.5
98In Stock

Mfr. Part #
012-8556-000

Mouser Part #
965-012-8556-000

ITT Cannon

Circular MIL Spec Connector 012-8556-000

Learn More

Datasheet

98In Stock

¥727.5

¥661.1

¥632.8

¥619.6

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 20 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-20ZP02
Amphenol PCD
1: ¥10,841.3
4In Stock

Mfr. Part #
M85049/85-20ZP02

Mouser Part #
523-M85049/85-20ZP02

Amphenol PCD

Circular MIL Spec Backshells Straight Shell size 20 Black Zinc Nickel w/ Exposed Nickel Entry 2

Learn More

Datasheet

4In Stock

¥10,841.3

¥9,401.3

¥9,187

¥8,633.9

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 23

M85049/89-23W03
Amphenol PCD
1: ¥12,263.2
574In Stock

Mfr. Part #
M85049/89-23W03

Mouser Part #
523-85049/89-23W03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL BND LCK 45 DEG ADPTR CAD SZ 23

Learn More

Datasheet

574In Stock

¥12,263.2

¥11,110.4

¥10,662

¥10,348

View

Min.: 1
Mult.: 1

Band Lock Adapters

MIL-DTL-38999 III, IV

Circular MIL Spec Tools, Hardware & Accessories 252-8502-000

252-8502-000
ITT Cannon
1: ¥3,345.3
168In Stock

Mfr. Part #
252-8502-000

Mouser Part #
965-2528502000

ITT Cannon

Circular MIL Spec Tools, Hardware & Accessories 252-8502-000

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Datasheet

168In Stock

¥3,345.3

¥2,900.1

¥2,749

¥2,707.4

View

Min.: 1
Mult.: 1

Adapters

Circular MIL Spec Tools, Hardware & Accessories M85049/128-8 EMI BAND 1/8" COIL STAMPED

DBS-128-8
DMC Tools
1: ¥1,220.8
600In Stock
3,445On Order

Mfr. Part #
DBS-128-8

Mouser Part #
654-DBS-128-8

DMC Tools

Circular MIL Spec Tools, Hardware & Accessories M85049/128-8 EMI BAND 1/8" COIL STAMPED

Datasheet

600In Stock

3,445On Order

¥1,220.8

¥1,111.2

¥1,043.1

¥1,024.8

View

Min.: 1
Mult.: 1

Circular MIL Spec Contacts 38999 III 8 PIN COAX HF CONTAC

21-033448-03HF
Amphenol Aerospace
1: ¥77,817.9
45In Stock

Mfr. Part #
21-033448-03HF

Mouser Part #
654-21-033448-03HF

Amphenol Aerospace

Circular MIL Spec Contacts 38999 III 8 PIN COAX HF CONTAC

Datasheet

45In Stock

¥77,817.9

¥70,783.5

¥68,243.8

Min.: 1
Mult.: 1

MIL-DTL-38999 III

Circular MIL Spec Contacts III 8 QUADRAX Pi n CON

BACC47GM1
Amphenol Aerospace
1: ¥54,389.4
50In Stock

Mfr. Part #
BACC47GM1

Mouser Part #
654-BACC47GM1

Amphenol Aerospace

Circular MIL Spec Contacts III 8 QUADRAX Pi n CON

Datasheet

50In Stock

¥54,389.4

¥49,472.9

¥47,698.9

Min.: 1
Mult.: 1

MIL-DTL-38999 III

Circular MIL Spec Contacts D-602-44CS2820

D-602-44
TE Connectivity / Raychem
1: ¥6,436.4
836In Stock

Mfr. Part #
D-602-44

Mouser Part #
650-D-602-44

TE Connectivity / Raychem

Circular MIL Spec Contacts D-602-44CS2820

Datasheet

836In Stock

¥6,436.4

¥5,471.3

¥5,129.2

¥4,921.5

View

Min.: 1
Mult.: 1

Circular MIL Spec Connector CLASS L PER MIL-C-22992 INDIA IMPORTS

MS90555C44412S
Amphenol Aerospace
1: ¥61,217.8
43In Stock

Mfr. Part #
MS90555C44412S

Mouser Part #
654-MS90555C44412S

Amphenol Aerospace

Circular MIL Spec Connector CLASS L PER MIL-C-22992 INDIA IMPORTS

Datasheet

43In Stock

¥61,217.8

¥54,685.1

Min.: 1
Mult.: 1

Receptacles

MIL-DTL-22992

Wall Mount

Circular MIL Spec Tools, Hardware & Accessories JM83723/61-212R

M8372361212R
Amphenol PCD
1: ¥3,542.9
22In Stock
New Product

Mfr. Part #
M8372361212R

Mouser Part #
523-M8372361212R

New Product

Amphenol PCD

Circular MIL Spec Tools, Hardware & Accessories JM83723/61-212R

22In Stock

¥3,542.9

¥3,011.4

¥2,805.4

¥2,745.6

View

Min.: 1
Mult.: 1

ABB
Altech
Amphenol
Bulgin
C&K Aerospace
Caplugs
Carling Technologies
Cinch Connectivity Solutions
Daniels Manufacturing
Deltron
Glenair
HARTING
Harwin
Hirose Electric
Honeywell
IDEC
Inventek Systems
ITT Cannon
JAE Electronics
JST
LEMO
Menda
Micro-Mode
Mill-Max
Molex
Murrelektronik
Neutrik
NorComp
ODU
Omron
Panduit
Phoenix Contact
Preci-dip
Qnity
Radiall
Samtec
Schaltbau
Souriau
Sunbank
Sure-Seal
Switchcraft
TE Connectivity
Tri-Star Electronics
TT Electronics
Ultralife
Weidmuller

Accessories
Adapter Kits
Adapters
Backshells
Banding Backshells
Band Lock Adapters
Blind-Mate Connectors
Braid Termination Bands
Braid Trap Backshells
Bushings
Cable Clamps
Cable Glands
Cable Mounted Connectors
Cable Mounts
Caps
Connectors
Contacts
Crimp Die
DC Power Relay
Dummy Receptacles

MIL-C-22992
MIL-C-22999
MIL-C-24308
MIL-C-26482
MIL-C-26482G
MIL-C-26482G 2
MIL-C-26482G I, II
MIL-C-26482 I
MIL-C-26482 II
MIL-C-26500
MIL-C-38999
MIL-C-38999 III
MIL-C-5015
MIL-C-81511 I
MIL-C-81511 II
MIL-C-81703
MIL-C-83723
MIL-C-83723 III
MIL-DTL-2194
MIL-DTL-22992

1
2
3
4
5
5, 6, 8
6
7
7, 12, 12S
8
8, 8S
8, 9
8, 9, 10, 11
8, 9S
9
10
10, 10S, 10SL
10, 11
10, 11, 12, 13, 15
10, 11S