Connectors – Mouser South Africa

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Backshells

Amphenol PCD Backshells offer strain relief, environmental protection, and 360° EMI/RFI shielding at the termination area of virtually any circular connector. These connectors feature a base material constructed of aluminum alloy, stainless steel, brass, or composite and a variety of finishes such as black zinc nickel, cadmium, electroless nickel, anodized black, passivated, and more. Amphenol PCD Backshells have custom designs available and meet or exceed RoHS/REACH compliance standards. Available in both military specifications and commercial types for any application, these backshells meet the Society of Automotive Engineers (SAE) AS85049 standard.

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Part #

Circular MIL Spec Backshells 31 Backshell Grommet Nut

M85049/31-10N
Amphenol PCD
1: $14.11
38In Stock

Mfr. Part No.
M85049/31-10N

Mouser Part No
523-85049/31-10N

Amphenol PCD

Circular MIL Spec Backshells 31 Backshell Grommet Nut

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Datasheet

38In Stock

$14.11

$13.28

$11.27

$10.90

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 12

M85049/31-12N
Amphenol PCD
1: $14.40
11In Stock

Mfr. Part No.
M85049/31-12N

Mouser Part No
523-85049/31-12N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 12

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Datasheet

11In Stock

$14.40

$12.79

$12.29

$11.43

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells 31 Backshell Grommet Nut

M85049/31-14N
Amphenol PCD
1: $11.65
78In Stock

Mfr. Part No.
M85049/31-14N

Mouser Part No
523-85049/31-14N

Amphenol PCD

Circular MIL Spec Backshells 31 Backshell Grommet Nut

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Datasheet

78In Stock

$11.65

$10.66

$10.26

$9.43

$8.58

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 16

M85049/31-16N
Amphenol PCD
1: $14.99
17In Stock

Mfr. Part No.
M85049/31-16N

Mouser Part No
523-85049/31-16N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 16

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Datasheet

17In Stock

$14.99

$13.29

$12.78

$12.15

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells 31 Backshell Grommet Nut

M85049/31-18N
Amphenol PCD
1: $9.73
17In Stock
25Expected 2026/05/28

Mfr. Part No.
M85049/31-18N

Mouser Part No
523-85049/31-18N

Amphenol PCD

Circular MIL Spec Backshells 31 Backshell Grommet Nut

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Datasheet

17In Stock

25Expected 2026/05/28

$9.73

$9.47

$8.93

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 20

M85049/31-20N
Amphenol PCD
1: $13.92
26In Stock

Mfr. Part No.
M85049/31-20N

Mouser Part No
523-85049/31-20N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 20

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Datasheet

26In Stock

$13.92

$13.55

$11.51

$11.12

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST BLACK SZ 22

M85049/31-22A
Amphenol PCD
1: $15.54
4In Stock

Mfr. Part No.
M85049/31-22A

Mouser Part No
523-85049/31-22A

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST BLACK SZ 22

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Datasheet

4In Stock

$15.54

$13.47

$11.97

$11.86

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 22

M85049/31-22N
Amphenol PCD
1: $17.39
10In Stock

Mfr. Part No.
M85049/31-22N

Mouser Part No
523-85049/31-22N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 22

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Datasheet

10In Stock

$17.39

$14.44

$13.32

$11.89

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 24

M85049/31-24N
Amphenol PCD
1: $16.12
1In Stock

Mfr. Part No.
M85049/31-24N

Mouser Part No
523-85049/31-24N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 24

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Datasheet

1In Stock

$16.12

$14.03

$14.01

$13.78

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 32

M85049/31-32N
Amphenol PCD
1: $24.71
22In Stock

Mfr. Part No.
M85049/31-32N

Mouser Part No
523-85049/31-32N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST NIC SZ 32

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Datasheet

22In Stock

$24.71

$22.45

$22.43

$20.93

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 16

M85049/31S16N
Amphenol PCD
1: $21.54
23In Stock

Mfr. Part No.
M85049/31S16N

Mouser Part No
523-85049/31S16N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL GRMT NUT ST SL NIC SZ 16

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Datasheet

23In Stock

$21.54

$18.31

$16.89

$16.48

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells 36 Backshell Non Env-EMI/RFI

M85049/3614N04
Amphenol PCD
1: $60.63
11In Stock

Mfr. Part No.
M85049/3614N04

Mouser Part No
523-85049/3614N04

Amphenol PCD

Circular MIL Spec Backshells 36 Backshell Non Env-EMI/RFI

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Datasheet

11In Stock

$60.63

$52.58

$50.56

$48.87

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells 36 Backshell Non Env-EMI/RFI

M85049/3614N05
Amphenol PCD
1: $62.44
11In Stock

Mfr. Part No.
M85049/3614N05

Mouser Part No
523-85049/3614N05

Amphenol PCD

Circular MIL Spec Backshells 36 Backshell Non Env-EMI/RFI

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Datasheet

11In Stock

$62.44

$57.84

$57.71

$52.37

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

M85049/3616N04
Amphenol PCD
1: $71.30
25In Stock

Mfr. Part No.
M85049/3616N04

Mouser Part No
523-85049/3616N04

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

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Datasheet

25In Stock

$71.30

$63.76

$57.27

$51.73

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

M85049/3616N05
Amphenol PCD
1: $63.85
12In Stock

Mfr. Part No.
M85049/3616N05

Mouser Part No
523-85049/3616N05

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

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Datasheet

12In Stock

$63.85

$56.14

$53.97

$52.18

$49.30

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

M85049/3616N06
Amphenol PCD
1: $75.12
20In Stock

Mfr. Part No.
M85049/3616N06

Mouser Part No
523-85049/3616N06

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 16

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Datasheet

20In Stock

$75.12

$67.69

$55.63

$51.56

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 22

M85049/3622N06
Amphenol PCD
1: $70.88
5In Stock

Mfr. Part No.
M85049/3622N06

Mouser Part No
523-85049/3622N06

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 22

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Datasheet

5In Stock

$70.88

$60.26

$56.48

$53.78

$51.96

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC

M85049/6-12N
Amphenol PCD
1: $56.77
12In Stock

Mfr. Part No.
M85049/6-12N

Mouser Part No
523-85049/6-12N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC

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Datasheet

12In Stock

$56.77

$49.23

$47.33

$45.75

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC

M85049/6-17N
Amphenol PCD
1: $64.15
19In Stock

Mfr. Part No.
M85049/6-17N

Mouser Part No
523-85049/6-17N

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC

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Datasheet

19In Stock

$64.15

$56.41

$54.24

$52.43

$49.53

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 9

M85049/78-09N02
Amphenol PCD
1: $68.27
5In Stock
25Expected 2026/03/16

Mfr. Part No.
M85049/78-09N02

Mouser Part No
523-85049/78-09N02

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 9

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Datasheet

5In Stock

25Expected 2026/03/16

$68.27

$57.55

$57.16

$50.43

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 19

M85049/78-19N03
Amphenol PCD
1: $78.78
3In Stock
5Expected 2026/03/26

Mfr. Part No.
M85049/78-19N03

Mouser Part No
523-85049/78-19N03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 19

Learn More

Datasheet

3In Stock

5Expected 2026/03/26

$78.78

$68.51

$62.24

$58.65

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 21

M85049/78-21N07
Amphenol PCD
1: $82.61
5In Stock

Mfr. Part No.
M85049/78-21N07

Mouser Part No
523-85049/78-21N07

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 21

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Datasheet

5In Stock

$82.61

$73.27

$68.00

$65.42

$64.66

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 21

M85049/78-21N08
Amphenol PCD
1: $77.34
11In Stock

Mfr. Part No.
M85049/78-21N08

Mouser Part No
523-85049/78-21N08

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 21

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Datasheet

11In Stock

$77.34

$74.93

$70.23

$66.88

$65.95

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 25

M85049/78-25N10
Amphenol PCD
1: $101.50
10In Stock

Mfr. Part No.
M85049/78-25N10

Mouser Part No
523-85049/78-25N10

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 25

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Datasheet

10In Stock

$101.50

$86.28

$80.88

$77.01

$76.94

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 13

M85049/79-13N03
Amphenol PCD
1: $80.15
5In Stock
25Expected 2026/03/04

Mfr. Part No.
M85049/79-13N03

Mouser Part No
523-85049/79-13N03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 13

Learn More

Datasheet

5In Stock

25Expected 2026/03/04

$80.15

$69.34

$65.69

$61.57

Quote

Min.: 1
Mult.: 1

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