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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 Straight Shell size 17 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/88-17ZP02
Amphenol PCD
1: 54,77 €
32In Stock

Mfr. Part No.
M85049/88-17ZP02

Mouser Part No
523-M85049/88-17ZP02

Circular MIL Spec Backshells Straight Shell size 17 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

32In Stock

54,77 €

47,02 €

43,47 €

42,12 €

40,12 €

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

M85049/82-10ZP03
Amphenol PCD
1: 49,64 €
34In Stock

Mfr. Part No.
M85049/82-10ZP03

Mouser Part No
523-M85049/82-10ZP03

Circular MIL Spec Backshells Straight Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

Datasheet

34In Stock

49,64 €

42,61 €

39,68 €

38,34 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 1

M85049/85-12ZP01
Amphenol PCD
1: 55,00 €
40In Stock

Mfr. Part No.
M85049/85-12ZP01

Mouser Part No
523-M85049/85-12ZP01

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 1

Datasheet

40In Stock

55,00 €

40,21 €

38,35 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 1

M85049/85-16ZP01
Amphenol PCD
1: 59,31 €
15In Stock

Mfr. Part No.
M85049/85-16ZP01

Mouser Part No
523-M85049/85-16ZP01

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 1

Datasheet

15In Stock

59,31 €

41,10 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/88-25ZP02
Amphenol PCD
1: 75,81 €
3In Stock
50On Order

Mfr. Part No.
M85049/88-25ZP02

Mouser Part No
523-M85049/88-25ZP02

Circular MIL Spec Backshells Straight Shell size 25 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

3In Stock

50On Order

75,81 €

65,70 €

51,44 €

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-12ZP02
Amphenol PCD
1: 55,00 €
15In Stock

Mfr. Part No.
M85049/85-12ZP02

Mouser Part No
523-M85049/85-12ZP02

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

15In Stock

55,00 €

38,35 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-24ZP02
Amphenol PCD
1: 74,64 €
8In Stock

Mfr. Part No.
M85049/85-24ZP02

Mouser Part No
523-M85049/85-24ZP02

Circular MIL Spec Backshells Straight Shell size 24 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

8In Stock

74,64 €

64,67 €

50,71 €

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 21 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/88-21ZP02
Amphenol PCD
1: 65,95 €
7In Stock
25Expected 8/11/2026

Mfr. Part No.
M85049/88-21ZP02

Mouser Part No
523-M85049/88-21ZP02

Circular MIL Spec Backshells Straight Shell size 21 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

7In Stock

25Expected 8/11/2026

65,95 €

57,11 €

45,30 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-16ZP02
Amphenol PCD
1: 59,31 €
13In Stock
25Expected 6/15/2026

Mfr. Part No.
M85049/85-16ZP02

Mouser Part No
523-M85049/85-16ZP02

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

13In Stock

25Expected 6/15/2026

59,31 €

41,10 €

40,82 €

40,59 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 20 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/85-20ZP02
Amphenol PCD
1: 63,98 €
8In Stock

Mfr. Part No.
M85049/85-20ZP02

Mouser Part No
523-M85049/85-20ZP02

Circular MIL Spec Backshells Straight Shell size 20 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

8In Stock

63,98 €

55,39 €

44,05 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

M85049/85-10ZP02
Amphenol PCD
1: 52,94 €
6In Stock

Mfr. Part No.
M85049/85-10ZP02

Mouser Part No
523-M85049/85-10ZP02

Circular MIL Spec Backshells Straight Shell size 10 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

Datasheet

6In Stock

52,94 €

46,56 €

37,04 €

36,93 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/88-19ZP02
Amphenol PCD
1: 63,73 €
16In Stock

Mfr. Part No.
M85049/88-19ZP02

Mouser Part No
523-M85049/88-19ZP02

Circular MIL Spec Backshells Straight Shell size 19 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

16In Stock

63,73 €

43,89 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/82-16ZP02
Amphenol PCD
1: 61,58 €
13In Stock

Mfr. Part No.
M85049/82-16ZP02

Mouser Part No
523-M85049/82-16ZP02

Circular MIL Spec Backshells Straight Shell size 16 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

13In Stock

61,58 €

42,54 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

M85049/82-12ZP03
Amphenol PCD
1: 57,53 €
9In Stock

Mfr. Part No.
M85049/82-12ZP03

Mouser Part No
523-M85049/82-12ZP03

Circular MIL Spec Backshells Straight Shell size 12 Black Zinc Nickel w/ Exposed Nickel Entry Size 3

Datasheet

9In Stock

57,53 €

50,09 €

39,97 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

M85049/85-08ZP02
Amphenol PCD
1: 50,98 €
8In Stock
25Expected 7/28/2026

Mfr. Part No.
M85049/85-08ZP02

Mouser Part No
523-M85049/85-08ZP02

Circular MIL Spec Backshells Straight Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry Size 2

Datasheet

8In Stock

25Expected 7/28/2026

50,98 €

44,82 €

35,78 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 90 Degrees Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/87-08ZP03
Amphenol PCD
1: 82,53 €
25In Stock

Mfr. Part No.
M85049/87-08ZP03

Mouser Part No
523-M85049/87-08ZP03

Circular MIL Spec Backshells 90 Degrees Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry 3

Datasheet

25In Stock

82,53 €

60,35 €

55,59 €

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 25

M85049/1925N05
Amphenol PCD
1: 53,90 €
41In Stock

Mfr. Part No.
M85049/1925N05

Mouser Part No
523-85049/1925N05

Circular MIL Spec Backshells BACKSHELL NON ENV EMI/RFI ST NIC SZ 25

Datasheet

41In Stock

53,90 €

53,89 €

Quote

Min.: 1
Mult.: 1

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

M85049/78-09N02
Amphenol PCD
1: 60,54 €
28In Stock

Mfr. Part No.
M85049/78-09N02

Mouser Part No
523-85049/78-09N02

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

Datasheet

28In Stock

60,54 €

60,35 €

49,64 €

48,86 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 90 Degrees Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry 3

M85049/84-8ZP03
Amphenol PCD
1: 81,45 €
25In Stock

Mfr. Part No.
M85049/84-8ZP03

Mouser Part No
523-M85049/84-8ZP03

Circular MIL Spec Backshells 90 Degrees Shell size 8 Black Zinc Nickel w/ Exposed Nickel Entry 3

Datasheet

25In Stock

81,45 €

81,24 €

56,80 €

55,62 €

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 1

M85049/85-14ZP01
Amphenol PCD
1: 56,31 €
47In Stock

Mfr. Part No.
M85049/85-14ZP01

Mouser Part No
523-M85049/85-14ZP01

Circular MIL Spec Backshells Straight Shell size 14 Black Zinc Nickel w/ Exposed Nickel Entry 1

Datasheet

47In Stock

56,31 €

56,24 €

40,21 €

39,70 €

Min.: 1
Mult.: 1

Circular MIL Spec Backshells Straight Shell size 28 Black Zinc Nickel w/ Exposed Nickel Entry 2

M85049/82-28ZP02
Amphenol PCD
1: 79,82 €
23In Stock

Mfr. Part No.
M85049/82-28ZP02

Mouser Part No
523-M85049/82-28ZP02

Circular MIL Spec Backshells Straight Shell size 28 Black Zinc Nickel w/ Exposed Nickel Entry 2

Datasheet

23In Stock

79,82 €

79,61 €

54,59 €

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

M85049/11-13N
Amphenol PCD
1: 61,54 €
47In Stock

Mfr. Part No.
M85049/11-13N

Mouser Part No
523-85049/11-13N

Circular MIL Spec Backshells BACKSHELL ENV ST NIC

Datasheet

47In Stock

61,54 €

55,20 €

50,62 €

47,36 €

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23

M85049/1823N05
Amphenol PCD
1: 66,01 €
34In Stock

Mfr. Part No.
M85049/1823N05

Mouser Part No
523-85049/1823N05

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23

Datasheet

34In Stock

66,01 €

57,98 €

56,91 €

51,75 €

49,29 €

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 23

M85049/79-23N09
Amphenol PCD
1: 95,25 €
59In Stock

Mfr. Part No.
M85049/79-23N09

Mouser Part No
523-85049/79-23N09

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 23

Datasheet

59In Stock

95,25 €

78,78 €

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 20

M85049/85-20N02
Amphenol PCD
1: 44,14 €
46In Stock

Mfr. Part No.
M85049/85-20N02

Mouser Part No
523-85049/85-20N02

Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR ST NIC SZ 20

Datasheet

46In Stock

44,14 €

38,41 €

38,40 €

38,35 €

View

Min.: 1
Mult.: 1