Circular MIL Spec Connectors – Mouser Singapore

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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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Types of Circular MIL Spec Connectors

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Part #

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/91-15T
Amphenol PCD
1: $55.95
23In Stock

Mfr. Part No.
M85049/91-15T

Mouser Part No
523-M85049/91-15T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

23In Stock

$55.95

$48.64

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/91-13T
Amphenol PCD
1: $53.49
25In Stock

Mfr. Part No.
M85049/91-13T

Mouser Part No
523-M85049/91-13T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

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Datasheet

25In Stock

$53.49

$46.50

$44.49

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells 91 Backshell Composite Strain Relief

M85049/91-21T
Amphenol PCD
1: $65.20
23In Stock

Mfr. Part No.
M85049/91-21T

Mouser Part No
523-M85049/91-21T

Amphenol PCD

Circular MIL Spec Backshells 91 Backshell Composite Strain Relief

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Datasheet

23In Stock

$65.20

$56.68

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

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

M85049/91-09T
Amphenol PCD
1: $44.92
7In Stock
50Expected 4/3/2026

Mfr. Part No.
M85049/91-09T

Mouser Part No
523-M85049/91-09T

Amphenol PCD

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

Learn More

Datasheet

7In Stock

50Expected 4/3/2026

$44.92

$38.18

$35.79

$34.08

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/91-17T
Amphenol PCD
1: $58.12
16In Stock

Mfr. Part No.
M85049/91-17T

Mouser Part No
523-M85049/91-17T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

16In Stock

$58.12

$49.40

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells 91 Backshell Composite Strain Relief

M85049/91-25T
Amphenol PCD
1: $68.44
3In Stock

Mfr. Part No.
M85049/91-25T

Mouser Part No
523-M85049/91-25T

Amphenol PCD

Circular MIL Spec Backshells 91 Backshell Composite Strain Relief

Learn More

Datasheet

3In Stock

$68.44

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-15T
Amphenol PCD
1: $64.54
9In Stock

Mfr. Part No.
M85049/92-15T

Mouser Part No
523-M85049/92-15T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

9In Stock

$64.54

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-19T
Amphenol PCD
1: $75.12
13In Stock

Mfr. Part No.
M85049/92-19T

Mouser Part No
523-M85049/92-19T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

13In Stock

$75.12

$64.13

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-23T
Amphenol PCD
1: $78.17
14In Stock

Mfr. Part No.
M85049/92-23T

Mouser Part No
523-M85049/92-23T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

14In Stock

$78.17

$71.02

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

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

M85049/93-06
Amphenol PCD
1: $16.11
34In Stock

Mfr. Part No.
M85049/93-06

Mouser Part No
523-M85049/93-06

Amphenol PCD

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

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Datasheet

34In Stock

$16.11

$14.28

$13.73

View

Min.: 1
Mult.: 1

Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

M85049/93-10
Amphenol PCD
1: $17.25
22In Stock
25Expected 9/3/2026

Mfr. Part No.
M85049/93-10

Mouser Part No
523-M85049/93-10

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

Learn More

Datasheet

22In Stock

25Expected 9/3/2026

$17.25

$15.28

$13.46

View

Min.: 1
Mult.: 1

Adapters

MIL-DTL-38999 III, IV

Straight

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

M85049/93-12
Amphenol PCD
1: $17.28
8In Stock

Mfr. Part No.
M85049/93-12

Mouser Part No
523-M85049/93-12

Amphenol PCD

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

Learn More

Datasheet

8In Stock

$17.28

View

Min.: 1
Mult.: 1

Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

M85049/93-20
Amphenol PCD
1: $21.27
19In Stock

Mfr. Part No.
M85049/93-20

Mouser Part No
523-M85049/93-20

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

Learn More

Datasheet

19In Stock

$21.27

$18.43

View

Min.: 1
Mult.: 1

Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

M85049/93-26
Amphenol PCD
1: $24.02
23In Stock

Mfr. Part No.
M85049/93-26

Mouser Part No
523-M85049/93-26

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

Learn More

Datasheet

23In Stock

$24.02

$20.81

View

Min.: 1
Mult.: 1

Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-11T
Amphenol PCD
1: $56.25
18In Stock

Mfr. Part No.
M85049/92-11T

Mouser Part No
523-M85049/92-11T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

18In Stock

$56.25

$48.91

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-13T
Amphenol PCD
1: $64.26
2In Stock

Mfr. Part No.
M85049/92-13T

Mouser Part No
523-M85049/92-13T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

2In Stock

$64.26

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

M85049/92-21T
Amphenol PCD
1: $76.77
4In Stock

Mfr. Part No.
M85049/92-21T

Mouser Part No
523-M85049/92-21T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

4In Stock

$76.77

View

Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

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

M85049/93-08
Amphenol PCD
1: $13.71
129On Order

Mfr. Part No.
M85049/93-08

Mouser Part No
523-M85049/93-08

Amphenol PCD

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

Learn More

Datasheet

129On Order

$13.71

$11.87

$11.86

$11.72

View

Min.: 1
Mult.: 1

Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

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

Mfr. Part No.
M85049/91-11T

Mouser Part No
523-M85049/91-11T

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells 92 Backshell Composite Strain Relief

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

Mfr. Part No.
M85049/92-09T

Mouser Part No
523-M85049/92-09T

Amphenol PCD

Circular MIL Spec Backshells 92 Backshell Composite Strain Relief

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Strain Reliefs

MIL-DTL-38999 III, IV

Right Angle

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

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

Mfr. Part No.
M85049/93-14

Mouser Part No
523-M85049/93-14

Amphenol PCD

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Adapters

MIL-DTL-38999 III, IV

Straight

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

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

Mfr. Part No.
M85049/93-16

Mouser Part No
523-M85049/93-16

Amphenol PCD

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

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

Mfr. Part No.
M85049/93-18

Mouser Part No
523-M85049/93-18

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Adapters

MIL-DTL-38999 III, IV

Straight

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

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

Mfr. Part No.
M85049/93-24

Mouser Part No
523-M85049/93-24

Amphenol PCD

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Quote

Adapters

MIL-DTL-38999 III, IV

Straight

Composite Backshells

Types of Circular MIL Spec Connectors

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