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Composite Backshells

Amphenol PCD Composite Backshells are available in a straight unfinished backshell, a 90° unfinished backshell, and an unfinished split-shield ring backshell. Amphenol PCD Composite Backshells are ideal for anywhere lightweight connector support is needed. These backshells are especially suitable for commercial aerospace applications, including cockpits, cabins, wireframes, and avionics.

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Part #

Circular MIL Spec Backshells 91 Backshell Composite Strain Relief

M85049/91-21T
Amphenol PCD
1: $66.30
23In Stock

Mfr. Part #
M85049/91-21T

Mouser Part #
523-M85049/91-21T

Circular MIL Spec Backshells 91 Backshell Composite Strain Relief

Datasheet

23In Stock

$66.30

$56.28

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 91 Backshell Composite Strain Relief

M85049/91-09T
Amphenol PCD
1: $49.52
37In Stock

Mfr. Part #
M85049/91-09T

Mouser Part #
523-M85049/91-09T

Circular MIL Spec Strain Reliefs & Adapters 91 Backshell Composite Strain Relief

Datasheet

37In Stock

$49.52

$43.49

$40.77

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/91-15T
Amphenol PCD
1: $61.14
6In Stock
25Expected 2026-08-21

Mfr. Part #
M85049/91-15T

Mouser Part #
523-M85049/91-15T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

6In Stock

25Expected 2026-08-21

$61.14

$51.97

$47.75

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/91-17T
Amphenol PCD
1: $63.01
8In Stock

Mfr. Part #
M85049/91-17T

Mouser Part #
523-M85049/91-17T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

8In Stock

$63.01

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 91 Backshell Composite Strain Relief

M85049/91-25T
Amphenol PCD
1: $74.30
21In Stock

Mfr. Part #
M85049/91-25T

Mouser Part #
523-M85049/91-25T

Circular MIL Spec Backshells 91 Backshell Composite Strain Relief

Datasheet

21In Stock

$74.30

$63.94

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-11T
Amphenol PCD
1: $59.27
18In Stock

Mfr. Part #
M85049/92-11T

Mouser Part #
523-M85049/92-11T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

18In Stock

$59.27

$52.24

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-13T
Amphenol PCD
1: $67.33
2In Stock

Mfr. Part #
M85049/92-13T

Mouser Part #
523-M85049/92-13T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

2In Stock

$67.33

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-15T
Amphenol PCD
1: $70.88
9In Stock

Mfr. Part #
M85049/92-15T

Mouser Part #
523-M85049/92-15T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

9In Stock

$70.88

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-19T
Amphenol PCD
1: $79.60
3In Stock

Mfr. Part #
M85049/92-19T

Mouser Part #
523-M85049/92-19T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

3In Stock

$79.60

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-21T
Amphenol PCD
1: $81.32
4In Stock

Mfr. Part #
M85049/92-21T

Mouser Part #
523-M85049/92-21T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

4In Stock

$81.32

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

M85049/93-06
Amphenol PCD
1: $16.52
46In Stock

Mfr. Part #
M85049/93-06

Mouser Part #
523-M85049/93-06

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

Datasheet

46In Stock

$16.52

$14.04

$13.15

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

M85049/93-10
Amphenol PCD
1: $18.20
15In Stock
75On Order

Mfr. Part #
M85049/93-10

Mouser Part #
523-M85049/93-10

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

Datasheet

15In Stock

75On Order

$18.20

$16.49

$14.50

$13.81

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

M85049/93-12
Amphenol PCD
1: $19.30
8In Stock

Mfr. Part #
M85049/93-12

Mouser Part #
523-M85049/93-12

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

Datasheet

8In Stock

$19.30

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

M85049/93-20
Amphenol PCD
1: $23.10
14In Stock

Mfr. Part #
M85049/93-20

Mouser Part #
523-M85049/93-20

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

Datasheet

14In Stock

$23.10

$20.48

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

M85049/93-26
Amphenol PCD
1: $24.81
23In Stock

Mfr. Part #
M85049/93-26

Mouser Part #
523-M85049/93-26

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

Datasheet

23In Stock

$24.81

$21.10

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/91-13T
Amphenol PCD
1: $56.48
25Expected 2026-08-31

Mfr. Part #
M85049/91-13T

Mouser Part #
523-M85049/91-13T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

25Expected 2026-08-31

$56.48

$48.54

$45.82

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

M85049/93-08
Amphenol PCD
1: $17.41
47Expected 2026-07-01

Mfr. Part #
M85049/93-08

Mouser Part #
523-M85049/93-08

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

Datasheet

47Expected 2026-07-01

$17.41

$14.80

$13.25

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/91-11T
Amphenol PCD
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
M85049/91-11T

Mouser Part #
523-M85049/91-11T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Circular MIL Spec Backshells 92 Backshell Composite Strain Relief

M85049/92-09T
Amphenol PCD
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
M85049/92-09T

Mouser Part #
523-M85049/92-09T

Circular MIL Spec Backshells 92 Backshell Composite Strain Relief

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-23T
Amphenol PCD
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
M85049/92-23T

Mouser Part #
523-M85049/92-23T

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

M85049/93-14
Amphenol PCD
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
M85049/93-14

Mouser Part #
523-M85049/93-14

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

M85049/93-16
Amphenol PCD
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
M85049/93-16

Mouser Part #
523-M85049/93-16

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

M85049/93-18
Amphenol PCD
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
M85049/93-18

Mouser Part #
523-M85049/93-18

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

M85049/93-24
Amphenol PCD
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
M85049/93-24

Mouser Part #
523-M85049/93-24

Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote