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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

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL

A305710A
Amphenol PCD
1: $12.03
150In Stock
New Product

Mfr. Part No.
A305710A

Mouser Part No
523-A305710A

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

150In Stock

$12.03

$11.90

$10.10

$9.53

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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
48In Stock
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

48In Stock

$13.51

$12.06

$10.91

$10.76

View

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

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells CLAMP MS3057A

A30576A
Amphenol PCD
1: $6.41
387In Stock
New Product

Mfr. Part No.
A30576A

Mouser Part No
523-A30576A

New Product

Amphenol PCD

Circular MIL Spec Backshells CLAMP MS3057A

Datasheet

387In Stock

$6.41

$5.57

$5.56

$4.73

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells A3057-8A

A30578A
Amphenol PCD
1: $11.02
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

$11.02

$9.73

$9.09

$8.44

View

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

$3.46

$3.32

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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: $5.32
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

$5.32

$5.13

$4.35

$4.14

View

Min.: 1
Mult.: 1

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

A305716C
Amphenol PCD
1: $27.84
63In Stock
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

63In Stock

$27.84

$23.66

$21.91

$21.20

View

Min.: 1
Mult.: 1

Backshells

24, 28

Straight

Circular MIL Spec Backshells BACKSHELL;MS3057A;CAD

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

Mfr. Part No.
A30573A

Mouser Part No
523-A30573A

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL;MS3057A;CAD

25Expected 18/09/2026

$10.27

$8.80

$8.24

$7.85

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL;RUBBER BUSHING

A342012
Amphenol PCD
1: $8.07
74Expected 17/11/2026
New Product

Mfr. Part No.
A342012

Mouser Part No
523-A342012

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL;RUBBER BUSHING

Datasheet

74Expected 17/11/2026

$8.07

$7.77

$6.10

$6.03

View

Min.: 1
Mult.: 1

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

$5.89

$5.52

$5.25

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL

A8504939S21S
Amphenol PCD
25: $112.02
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

$112.02

Min.: 25
Mult.: 25

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Backshells BACKSHELL

A8504939S25S
Amphenol PCD
25: $122.53
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

$122.53

Quote

Min.: 25
Mult.: 25

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Backshells BACKSHELL

A8504939S9S
Amphenol PCD
25: $98.07
Non-Stocked Lead-Time 12 Weeks
New Product

Mfr. Part No.
A8504939S9S

Mouser Part No
523-A8504939S9S

New Product

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Non-Stocked Lead-Time 12 Weeks

$98.07

View

Min.: 25
Mult.: 25

Circular MIL Spec Backshells BACKSHELL

A850498811M03
Amphenol PCD
25: $106.00
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

$106.00

$100.96

$96.14

Min.: 25
Mult.: 25

Band Lock Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL

A85049889M03
Amphenol PCD
25: $103.17
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

$103.17

$98.25

$96.56

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: $92.14
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

$92.14

$87.74

$85.32

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: $103.10
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

$103.10

$98.18

$96.48

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: $93.27
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

$93.27

$92.99

View

Min.: 25
Mult.: 25

Circular MIL Spec Backshells BACKSHELL

A850498925J03
Amphenol PCD
25: $106.67
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

$106.67

Quote

Min.: 25
Mult.: 25

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

A850499013M03
Amphenol PCD
25: $108.85
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

$108.85

$108.43

View

Min.: 25
Mult.: 25

Band Lock Adapters

MIL-DTL-38999 III, IV

90 Deg

Backshell Series Circular MIL Spec Connectors

Types of Circular MIL Spec Connectors

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