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Backshell Series Circular MIL Spec Connectors

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Types of Circular MIL Spec Connectors

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Series = Backshell

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Part #

Circular MIL Spec Backshells A3057-6A-1

A30576A1
Amphenol PCD
1: $15.91
23In Stock
New Product

Mfr. Part No.
A30576A1

Mouser Part No
523-A30576A1

New Product

Amphenol PCD

Circular MIL Spec Backshells A3057-6A-1

23In Stock

$15.91

$13.79

$12.16

$12.15

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells A3057-10A-626

A305710A626
Amphenol PCD
1: $23.29
25In Stock
New Product

Mfr. Part No.
A305710A626

Mouser Part No
523-A305710A626

New Product

Amphenol PCD

Circular MIL Spec Backshells A3057-10A-626

25In Stock

$23.29

$19.79

$18.54

$17.58

$15.17

Min.: 1
Mult.: 1

Circular MIL Spec Backshells CLAMP MS3057A

A30576A
Amphenol PCD
1: $6.41
287In Stock
New Product

Mfr. Part No.
A30576A

Mouser Part No
523-A30576A

New Product

Amphenol PCD

Circular MIL Spec Backshells CLAMP MS3057A

Datasheet

287In Stock

$6.41

$5.68

Min.: 1
Mult.: 1

Circular MIL Spec Backshells CLAMP

A305712A
Amphenol PCD
1: $14.41
63In Stock
New Product

Mfr. Part No.
A305712A

Mouser Part No
523-A305712A

New Product

Amphenol PCD

Circular MIL Spec Backshells CLAMP

63In Stock

$14.41

$12.83

$11.37

$10.87

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells COM-STRAIN RELIEF MS3057A,CAD

A305716A
Amphenol PCD
1: $13.51
23In Stock
25Expected 2026/09/04
New Product

Mfr. Part No.
A305716A

Mouser Part No
523-A305716A

New Product

Amphenol PCD

Circular MIL Spec Backshells COM-STRAIN RELIEF MS3057A,CAD

Learn More

23In Stock

25Expected 2026/09/04

$13.51

$12.06

$10.91

$10.76

$10.48

Min.: 1
Mult.: 1

Circular MIL Spec Backshells A3057-4A

A30574A
Amphenol PCD
1: $9.50
72In Stock
New Product

Mfr. Part No.
A30574A

Mouser Part No
523-A30574A

New Product

Amphenol PCD

Circular MIL Spec Backshells A3057-4A

72In Stock

$9.50

$8.08

$7.56

$7.20

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells A3057-8A

A30578A
Amphenol PCD
1: $11.03
19In Stock
New Product

Mfr. Part No.
A30578A

Mouser Part No
523-A30578A

New Product

Amphenol PCD

Circular MIL Spec Backshells A3057-8A

19In Stock

$11.03

$9.73

$9.09

$8.44

$6.90

Min.: 1
Mult.: 1

Circular MIL Spec Backshells A34203

A34203
Amphenol PCD
1: $4.73
65In Stock
New Product

Mfr. Part No.
A34203

Mouser Part No
523-A34203

New Product

Amphenol PCD

Circular MIL Spec Backshells A34203

65In Stock

$4.73

$4.38

$3.47

$3.33

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELLS (MS3420-4)

A34204
Amphenol PCD
1: $4.73
235In Stock
New Product

Mfr. Part No.
A34204

Mouser Part No
523-A34204

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELLS (MS3420-4)

235In Stock

$4.73

$4.16

$2.87

$2.83

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells RUBBER BUSHING

A34206
Amphenol PCD
1: $5.33
59In Stock
New Product

Mfr. Part No.
A34206

Mouser Part No
523-A34206

New Product

Amphenol PCD

Circular MIL Spec Backshells RUBBER BUSHING

Learn More

59In Stock

$5.33

$5.13

$4.35

$4.14

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL;RUBBER BUSHING

A342012
Amphenol PCD
1: $8.07
1In Stock
New Product

Mfr. Part No.
A342012

Mouser Part No
523-A342012

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL;RUBBER BUSHING

Datasheet

1In Stock

$8.07

$7.77

$6.11

$6.04

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL

A305710A
Amphenol PCD
1: $12.04
150In Stock
New Product

Mfr. Part No.
A305710A

Mouser Part No
523-A305710A

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

150In Stock

$12.04

$11.90

$10.11

$9.54

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL;MS3057A;CAD

A30573A
Amphenol PCD
1: $10.27
25Expected 2026/09/18
New Product

Mfr. Part No.
A30573A

Mouser Part No
523-A30573A

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL;MS3057A;CAD

25Expected 2026/09/18

$10.27

$8.80

$8.25

$7.85

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters A-3057-16C

A305716C
Amphenol PCD
1: $27.84
63Expected 2026/09/03
New Product

Mfr. Part No.
A305716C

Mouser Part No
523-A305716C

New Product

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters A-3057-16C

Datasheet

63Expected 2026/09/03

$27.84

$23.67

$21.91

$21.20

$18.03

Min.: 1
Mult.: 1

Backshells

24, 28

Straight

Circular MIL Spec Backshells RUBBER BUSHING

A342010
Amphenol PCD
1: $6.93
50Stock Available
New Product

Mfr. Part No.
A342010

Mouser Part No
523-A342010

New Product

Amphenol PCD

Circular MIL Spec Backshells RUBBER BUSHING

50Stock Available

More Info Available

$6.93

$5.90

$5.52

$5.26

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL

A8504939S21S
Amphenol PCD
25: $112.04
Non-Stocked Lead-Time 12 Weeks
New Product

Mfr. Part No.
A8504939S21S

Mouser Part No
523-A8504939S21S

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Datasheet

Non-Stocked Lead-Time 12 Weeks

$112.04

Min.: 25
Mult.: 25

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Backshells BACKSHELL

A8504939S25S
Amphenol PCD
25: $122.56
Non-Stocked Lead-Time 12 Weeks
New Product

Mfr. Part No.
A8504939S25S

Mouser Part No
523-A8504939S25S

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Datasheet

Non-Stocked Lead-Time 12 Weeks

$122.56

Quote

Min.: 25
Mult.: 25

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Backshells BACKSHELL

A850498811M03
Amphenol PCD
25: $106.02
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
A850498811M03

Mouser Part No
523-A850498811M03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Datasheet

Non-Stocked Lead-Time 12 Weeks

$106.02

$100.98

$99.12

Min.: 25
Mult.: 25

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL

A85049889M03
Amphenol PCD
25: $103.19
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
A85049889M03

Mouser Part No
523-A85049889M03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Datasheet

Non-Stocked Lead-Time 12 Weeks

$103.19

$100.45

Min.: 25
Mult.: 25

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Backshell; Band Lock; 45 ; ENP over Composite

A850498913M03
Amphenol PCD
25: $92.16
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
A850498913M03

Mouser Part No
523-A850498913M03

Amphenol PCD

Circular MIL Spec Backshells Backshell; Band Lock; 45 ; ENP over Composite

Datasheet

Non-Stocked Lead-Time 12 Weeks

$92.16

$88.75

Min.: 25
Mult.: 25

Band Lock Adapters

MIL-DTL-38999 III, IV

45 Deg

Circular MIL Spec Backshells Backshell; Band Lock; 45 ; ENP over Composite

A850498915M03
Amphenol PCD
25: $103.12
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
A850498915M03

Mouser Part No
523-A850498915M03

Amphenol PCD

Circular MIL Spec Backshells Backshell; Band Lock; 45 ; ENP over Composite

Datasheet

Non-Stocked Lead-Time 12 Weeks

$103.12

$100.36

Min.: 25
Mult.: 25

Band Lock Adapters

MIL-DTL-38999 III, IV

45 Deg

Circular MIL Spec Backshells Backshell; Band Lock; 45 ; ENP over Composite

A850498921M03
Amphenol PCD
25: $93.28
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
A850498921M03

Mouser Part No
523-A850498921M03

Amphenol PCD

Circular MIL Spec Backshells Backshell; Band Lock; 45 ; ENP over Composite

Non-Stocked Lead-Time 12 Weeks

$93.28

$93.01

View

Min.: 25
Mult.: 25

Circular MIL Spec Backshells BACKSHELL

A850498925J03
Amphenol PCD
25: $106.69
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
A850498925J03

Mouser Part No
523-A850498925J03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Datasheet

Non-Stocked Lead-Time 12 Weeks

$106.69

Quote

Min.: 25
Mult.: 25

Circular MIL Spec Backshells Backshell; Band Lock; 90 ; ENP over Composite

A850499013M03
Amphenol PCD
25: $108.87
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
A850499013M03

Mouser Part No
523-A850499013M03

Amphenol PCD

Circular MIL Spec Backshells Backshell; Band Lock; 90 ; ENP over Composite

Datasheet

Non-Stocked Lead-Time 12 Weeks

$108.87

$108.45

View

Min.: 25
Mult.: 25

Band Lock Adapters

MIL-DTL-38999 III, IV

90 Deg

Circular MIL Spec Backshells M85049/115S13KW05-7

A85049115S13KW057
Amphenol PCD
25: $86.11
Non-Stocked Lead-Time 12 Weeks
New Product

Mfr. Part No.
A85049115S13KW057

Mouser Part No
523-85049115S13KW057

New Product

Amphenol PCD

Circular MIL Spec Backshells M85049/115S13KW05-7

Non-Stocked Lead-Time 12 Weeks

$86.11

Min.: 25
Mult.: 25

Backshell Series Circular MIL Spec Connectors

Types of Circular MIL Spec Connectors

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