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Backshell Clamps

Amphenol PCD Backshell Clamps help to tidy up the cable after termination and provide strain relief at the termination area. The clamps are offered in environmental and non-environmental options, as well as EMI/RFI. The components are available in black zinc nickel, adding to the existing finishes in olive drab gray cadmium, tin, or nickel with a variety of shell sizes 11 through 48. Amphenol PCD Backshell Clamps meet MIL-DTL-38999, MIL-DTL-26482 Series II, MIL-DTL-83723 Series I and II, MIL-DTL-24308, and MIL-DTL-83513.

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Part #

Circular MIL Spec Backshells 11 Backshell Env

M85049/11-17N
Amphenol PCD
1: $91.73
6In Stock

Mfr. Part No.
M85049/11-17N

Mouser Part No
523-85049/11-17N

Circular MIL Spec Backshells 11 Backshell Env

Datasheet

6In Stock

$91.73

$77.98

$73.09

$69.60

$66.29

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-22N
Amphenol PCD
1: $93.31
21In Stock

Mfr. Part No.
M85049/11-22N

Mouser Part No
523-85049/11-22N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

21In Stock

$93.31

$80.92

$72.91

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-33N
Amphenol PCD
1: $90.45
15In Stock

Mfr. Part No.
M85049/11-33N

Mouser Part No
523-85049/11-33N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

15In Stock

$90.45

$84.03

$81.60

$76.46

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-41N
Amphenol PCD
1: $107.09
12In Stock

Mfr. Part No.
M85049/11-41N

Mouser Part No
523-85049/11-41N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

12In Stock

$107.09

$95.19

$93.02

$85.91

View

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST NIC SZ 19

M85049/14-19N
Amphenol PCD
1: $20.55
8In Stock

Mfr. Part No.
M85049/14-19N

Mouser Part No
523-85049/14-19N

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST NIC SZ 19

Datasheet

8In Stock

$20.55

$18.22

$15.20

$15.08

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST NIC SZ 21

M85049/14-21N
Amphenol PCD
1: $21.07
15In Stock

Mfr. Part No.
M85049/14-21N

Mouser Part No
523-85049/14-21N

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST NIC SZ 21

Datasheet

15In Stock

$21.07

$18.67

$15.54

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST NIC SZ 23

M85049/14-23N
Amphenol PCD
1: $22.15
1In Stock

Mfr. Part No.
M85049/14-23N

Mouser Part No
523-85049/14-23N

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST NIC SZ 23

Datasheet

1In Stock

$22.15

$16.73

$16.28

$15.12

View

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST NIC SZ 25

M85049/14-25N
Amphenol PCD
1: $17.08
11In Stock

Mfr. Part No.
M85049/14-25N

Mouser Part No
523-85049/14-25N

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST NIC SZ 25

Datasheet

11In Stock

$17.08

$17.07

$16.39

$15.91

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 11

M85049/14S11N
Amphenol PCD
1: $26.74
28In Stock

Mfr. Part No.
M85049/14S11N

Mouser Part No
523-85049/14S11N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 11

Datasheet

28In Stock

$26.74

$22.74

$22.73

$20.70

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 13

M85049/14S13N
Amphenol PCD
1: $22.21
6In Stock
25Expected 8/10/2026

Mfr. Part No.
M85049/14S13N

Mouser Part No
523-85049/14S13N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 13

Datasheet

6In Stock

25Expected 8/10/2026

$22.21

$20.77

$20.75

$20.52

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 15

M85049/14S15N
Amphenol PCD
1: $41.32
30In Stock

Mfr. Part No.
M85049/14S15N

Mouser Part No
523-85049/14S15N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 15

Datasheet

30In Stock

$41.32

$30.98

$26.44

$25.04

View

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST SL NIC SZ 19

M85049/14S19N
Amphenol PCD
1: $29.50
23In Stock

Mfr. Part No.
M85049/14S19N

Mouser Part No
523-85049/14S19N

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST SL NIC SZ 19

Datasheet

23In Stock

$29.50

$25.08

$23.32

$22.49

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 21

M85049/14S21N
Amphenol PCD
1: $30.72
11In Stock

Mfr. Part No.
M85049/14S21N

Mouser Part No
523-85049/14S21N

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 21

Datasheet

11In Stock

$30.72

$26.11

$24.83

$23.65

View

Min.: 1
Mult.: 1

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST SL NIC SZ 09

M85049/14S9N
Amphenol PCD
1: $27.72
1In Stock
25Expected 3/11/2026

Mfr. Part No.
M85049/14S9N

Mouser Part No
523-85049/14S9N

Circular MIL Spec Tools, Hardware & Accessories BACKSHELL GRMT NUT ST SL NIC SZ 09

Datasheet

1In Stock

25Expected 3/11/2026

$27.72

$24.03

$20.86

$20.10

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP 45 DEG NIC SZ 11

M85049/15-11N
Amphenol PCD
1: $24.14
13In Stock

Mfr. Part No.
M85049/15-11N

Mouser Part No
523-85049/15-11N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP 45 DEG NIC SZ 11

Datasheet

13In Stock

$24.14

$20.93

$18.39

$17.95

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP 45 DEG NIC SZ 25

M85049/15-25N
Amphenol PCD
1: $28.68
32In Stock

Mfr. Part No.
M85049/15-25N

Mouser Part No
523-85049/15-25N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP 45 DEG NIC SZ 25

Datasheet

32In Stock

$28.68

$24.38

$23.20

$22.68

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP 45 DEG NIC SZ 09

M85049/15-9N
Amphenol PCD
1: $23.51
14In Stock

Mfr. Part No.
M85049/15-9N

Mouser Part No
523-85049/15-9N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP 45 DEG NIC SZ 09

Datasheet

14In Stock

$23.51

$20.37

$17.94

$17.67

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG GRD LG NIC SZ 11

M85049/15G11N
Amphenol PCD
1: $37.48
5In Stock

Mfr. Part No.
M85049/15G11N

Mouser Part No
523-85049/15G11N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG GRD LG NIC SZ 11

Datasheet

5In Stock

$37.48

$31.86

$29.05

$28.27

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG GRD LG NIC SZ 19

M85049/15G19N
Amphenol PCD
1: $40.09
1In Stock

Mfr. Part No.
M85049/15G19N

Mouser Part No
523-85049/15G19N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG GRD LG NIC SZ 19

Datasheet

1In Stock

$40.09

$31.91

$31.89

$31.35

$31.05

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 11

M85049/15S11N
Amphenol PCD
1: $34.03
16In Stock

Mfr. Part No.
M85049/15S11N

Mouser Part No
523-85049/15S11N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 11

Datasheet

16In Stock

$34.03

$28.93

$26.59

$26.15

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 19

M85049/15S19N
Amphenol PCD
1: $37.70
17In Stock

Mfr. Part No.
M85049/15S19N

Mouser Part No
523-85049/15S19N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 19

Datasheet

17In Stock

$37.70

$32.04

$29.20

$29.08

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 21

M85049/15S21N
Amphenol PCD
1: $37.58
11In Stock

Mfr. Part No.
M85049/15S21N

Mouser Part No
523-85049/15S21N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 21

Datasheet

11In Stock

$37.58

$31.95

$28.75

$26.89

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 23

M85049/15S23N
Amphenol PCD
1: $39.43
5In Stock

Mfr. Part No.
M85049/15S23N

Mouser Part No
523-85049/15S23N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 23

Datasheet

5In Stock

$39.43

$31.42

$31.40

$29.08

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 09

M85049/15S9N
Amphenol PCD
1: $33.22
23In Stock

Mfr. Part No.
M85049/15S9N

Mouser Part No
523-85049/15S9N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL CLAMP 45 DEG SL NIC SZ 09

Datasheet

23In Stock

$33.22

$28.23

$26.00

$25.24

View

Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP 90 DEG NIC SZ 13

M85049/16-13N
Amphenol PCD
1: $23.42
26In Stock

Mfr. Part No.
M85049/16-13N

Mouser Part No
523-85049/16-13N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL QCK CLAMP 90 DEG NIC SZ 13

Datasheet

26In Stock

$23.42

$20.30

$19.23

$17.58

View

Min.: 1
Mult.: 1