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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 BACKSHELL BND LOCK ADPTR R/A CAD SZ 17

M85049/90-17W03
Amphenol PCD
1: ₹7,204.27
57In Stock

Mfr. Part No.
M85049/90-17W03

Mouser Part No
523-85049/90-17W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 17

Datasheet

57In Stock

₹7,204.27

₹7,049.74

₹6,468.48

₹5,983.34

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 19

M85049/90-19W02
Amphenol PCD
1: ₹7,480.98
26In Stock

Mfr. Part No.
M85049/90-19W02

Mouser Part No
523-85049/90-19W02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 19

Datasheet

26In Stock

₹7,480.98

₹6,359.77

₹5,960.88

₹5,676.99

₹5,405.67

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 19

M85049/90-19W03
Amphenol PCD
1: ₹8,544.68
51In Stock

Mfr. Part No.
M85049/90-19W03

Mouser Part No
523-85049/90-19W03

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 19

Datasheet

51In Stock

₹8,544.68

₹7,968.81

₹6,754.17

₹6,255.56

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 23

M85049/90-23W02
Amphenol PCD
1: ₹10,085.44
25In Stock

Mfr. Part No.
M85049/90-23W02

Mouser Part No
523-85049/90-23W02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 23

Datasheet

25In Stock

₹10,085.44

₹9,187.94

₹6,763.16

₹6,332.82

View

Min.: 1
Mult.: 1

No

Circular MIL Spec Backshells Circular MIL Spec Backshells

M85049/189N02
Amphenol PCD
1: ₹3,568.44
58In Stock

Mfr. Part No.
M85049/189N02

Mouser Part No
523-M85049/189N02

Circular MIL Spec Backshells Circular MIL Spec Backshells

Datasheet

58In Stock

₹3,568.44

₹3,551.38

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Backshell;Env-EMI/RFI;BZN

M85049/1815Z03
Amphenol PCD
1: ₹6,755.97
75In Stock

Mfr. Part No.
M85049/1815Z03

Mouser Part No
523-M850491815Z03

Circular MIL Spec Backshells Backshell;Env-EMI/RFI;BZN

Datasheet

75In Stock

₹6,755.97

₹6,005.80

₹5,774.02

₹5,581.76

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Backshell;Env-EMI/RFI;BZN

M85049/1817Z04
Amphenol PCD
1: ₹7,122.52
53In Stock

Mfr. Part No.
M85049/1817Z04

Mouser Part No
523-M850491817Z04

Circular MIL Spec Backshells Backshell;Env-EMI/RFI;BZN

Datasheet

53In Stock

₹7,122.52

₹6,679.60

₹5,896.20

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Backshell;Env-EMI/RFI;BZN

M85049/1821Z05
Amphenol PCD
1: ₹7,197.98
25In Stock

Mfr. Part No.
M85049/1821Z05

Mouser Part No
523-M850491821Z05

Circular MIL Spec Backshells Backshell;Env-EMI/RFI;BZN

Datasheet

25In Stock

₹7,197.98

₹6,473.87

₹5,739.88

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Backshell;Env-EMI/RFI;BZN

M85049/1825Z09
Amphenol PCD
1: ₹9,032.51
19In Stock

Mfr. Part No.
M85049/1825Z09

Mouser Part No
523-M850491825Z09

Circular MIL Spec Backshells Backshell;Env-EMI/RFI;BZN

Datasheet

19In Stock

₹9,032.51

₹8,509.64

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 14

M85049/10-116N
Amphenol PCD
1: ₹8,180.83
13In Stock

Mfr. Part No.
M85049/10-116N

Mouser Part No
523-85049/10-116N

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 14

Datasheet

13In Stock

₹8,180.83

₹7,477.38

₹7,109.04

₹6,041.74

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 18

M85049/10-25N
Amphenol PCD
1: ₹9,907.56
6In Stock
25Expected 14-04-2026

Mfr. Part No.
M85049/10-25N

Mouser Part No
523-85049/10-25N

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 18

Datasheet

6In Stock

25Expected 14-04-2026

₹9,907.56

₹8,485.39

₹8,064.04

₹6,505.31

Quote

Min.: 1
Mult.: 1

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

M85049/10-45N
Amphenol PCD
1: ₹12,784.23
17In Stock

Mfr. Part No.
M85049/10-45N

Mouser Part No
523-85049/10-45N

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

Datasheet

17In Stock

₹12,784.23

₹11,732.21

₹11,281.21

₹10,903.88

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 28

M85049/10-57N
Amphenol PCD
1: ₹10,222.00
5In Stock

Mfr. Part No.
M85049/10-57N

Mouser Part No
523-85049/10-57N

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 28

Datasheet

5In Stock

₹10,222.00

₹10,221.10

₹9,808.73

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-13N
Amphenol PCD
1: ₹6,428.95
23In Stock
25Expected 29-04-2026

Mfr. Part No.
M85049/11-13N

Mouser Part No
523-85049/11-13N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

23In Stock

25Expected 29-04-2026

₹6,428.95

₹5,766.83

₹5,175.68

₹4,771.40

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 11 Backshell Env

M85049/11-17N
Amphenol PCD
1: ₹6,011.19
15In Stock

Mfr. Part No.
M85049/11-17N

Mouser Part No
523-85049/11-17N

Circular MIL Spec Backshells 11 Backshell Env

Datasheet

15In Stock

₹6,011.19

₹5,469.46

₹4,847.77

₹4,642.93

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-18N
Amphenol PCD
1: ₹5,838.70
18In Stock
25Expected 23-03-2026

Mfr. Part No.
M85049/11-18N

Mouser Part No
523-85049/11-18N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

18In Stock

25Expected 23-03-2026

₹5,838.70

₹5,134.36

₹4,642.93

₹4,234.16

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-19N
Amphenol PCD
1: ₹8,446.76
6In Stock

Mfr. Part No.
M85049/11-19N

Mouser Part No
523-85049/11-19N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

6In Stock

₹8,446.76

₹7,849.32

₹7,181.81

₹7,158.45

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 11 Backshell Env

M85049/11-21N
Amphenol PCD
1: ₹6,077.68
6In Stock

Mfr. Part No.
M85049/11-21N

Mouser Part No
523-85049/11-21N

Circular MIL Spec Backshells 11 Backshell Env

Datasheet

6In Stock

₹6,077.68

₹5,491.02

₹4,940.30

₹4,693.24

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-22N
Amphenol PCD
1: ₹6,077.68
22In Stock

Mfr. Part No.
M85049/11-22N

Mouser Part No
523-85049/11-22N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

22In Stock

₹6,077.68

₹5,344.58

₹5,138.85

₹4,967.25

₹4,693.24

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-25N
Amphenol PCD
1: ₹6,323.84
1In Stock

Mfr. Part No.
M85049/11-25N

Mouser Part No
523-85049/11-25N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

1In Stock

₹6,323.84

₹5,707.54

₹5,145.14

₹4,882.80

View

Min.: 1
Mult.: 1

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

M85049/14S11N
Amphenol PCD
1: ₹1,919.88
32In 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

32In Stock

₹1,919.88

₹1,802.19

₹1,420.37

₹1,273.93

View

Min.: 1
Mult.: 1

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

M85049/14S13N
Amphenol PCD
1: ₹1,808.48
24In Stock

Mfr. Part No.
M85049/14S13N

Mouser Part No
523-85049/14S13N

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

Datasheet

24In Stock

₹1,808.48

₹1,541.65

₹1,539.86

₹1,485.95

View

Min.: 1
Mult.: 1

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

M85049/14S15N
Amphenol PCD
1: ₹2,629.62
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

₹2,629.62

₹2,109.44

₹1,904.61

₹1,353.89

View

Min.: 1
Mult.: 1

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

M85049/14S21N
Amphenol PCD
1: ₹2,152.57
13In 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

13In Stock

₹2,152.57

₹1,921.68

₹1,786.02

₹1,496.73

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 08

M85049/1708N01A
Amphenol PCD
1: ₹5,290.68
1In Stock

Mfr. Part No.
M85049/1708N01A

Mouser Part No
523-85049/1708N01A

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 08

Datasheet

1In Stock

₹5,290.68

₹5,046.31

₹5,045.41

₹4,961.86

View

Min.: 1
Mult.: 1