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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 Strain Reliefs & Adapters BACKSHELL SHR BOOT ADAPTER ST NIC SZ 25

M85049/69-25N
Amphenol PCD
1: ¥3,434.9
40In Stock
300On Order

Mfr. Part #
M85049/69-25N

Mouser Part #
523-85049/69-25N

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SHR BOOT ADAPTER ST NIC SZ 25

Datasheet

40In Stock

300On Order

¥3,434.9

¥3,061.2

¥2,948.3

¥2,863.6

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SHR BOOT ADPTR ST BLACK SZ 09

M85049/69-9A
Amphenol PCD
1: ¥2,493.2
49In Stock

Mfr. Part #
M85049/69-9A

Mouser Part #
523-85049/69-9A

Circular MIL Spec Strain Reliefs & Adapters BACKSHELL SHR BOOT ADPTR ST BLACK SZ 09

Datasheet

49In Stock

¥2,493.2

¥2,207.5

¥2,124.4

¥2,009.8

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Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV 45 DEG NICKEL

M85049/7-17N
Amphenol PCD
1: ¥8,431.2
12In Stock

Mfr. Part #
M85049/7-17N

Mouser Part #
523-85049/7-17N

Circular MIL Spec Backshells BACKSHELL ENV 45 DEG NICKEL

Datasheet

12In Stock

¥8,431.2

¥7,330

¥6,546

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 11

M85049/78-11N02
Amphenol PCD
1: ¥11,995.7
14In Stock

Mfr. Part #
M85049/78-11N02

Mouser Part #
523-85049/78-11N02

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 11

Datasheet

14In Stock

¥11,995.7

¥10,389.6

¥9,786.6

¥9,319.9

¥8,876.4

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 11

M85049/78-11N03
Amphenol PCD
1: ¥12,070.5
17In Stock

Mfr. Part #
M85049/78-11N03

Mouser Part #
523-85049/78-11N03

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 11

Datasheet

17In Stock

¥12,070.5

¥10,560.6

¥10,274.9

¥10,248.4

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 13

M85049/78-13N03
Amphenol PCD
1: ¥12,205
11In Stock

Mfr. Part #
M85049/78-13N03

Mouser Part #
523-85049/78-13N03

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 13

Datasheet

11In Stock

¥12,205

¥10,851.3

¥10,603.8

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 13

M85049/78-13N04
Amphenol PCD
1: ¥12,793
19In Stock

Mfr. Part #
M85049/78-13N04

Mouser Part #
523-85049/78-13N04

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 13

Datasheet

19In Stock

¥12,793

¥11,058.9

¥10,366.3

¥9,871.3

¥9,401.3

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 15

M85049/78-15N04
Amphenol PCD
1: ¥12,989
20In Stock

Mfr. Part #
M85049/78-15N04

Mouser Part #
523-85049/78-15N04

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 15

Datasheet

20In Stock

¥12,989

¥11,547.3

¥11,284.8

¥10,956

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 17

M85049/78-17N05
Amphenol PCD
1: ¥13,831.1
2In Stock

Mfr. Part #
M85049/78-17N05

Mouser Part #
523-85049/78-17N05

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 17

Datasheet

2In Stock

¥13,831.1

¥11,429.3

¥10,874.6

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 17

M85049/78-17N06
Amphenol PCD
1: ¥12,283.1
7In Stock
25Expected 11/5/2026

Mfr. Part #
M85049/78-17N06

Mouser Part #
523-85049/78-17N06

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI 45 DEG NIC SZ 17

Datasheet

7In Stock

25Expected 11/5/2026

¥12,283.1

¥11,548.9

¥11,356.3

¥11,338

Min.: 1
Mult.: 1

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

M85049/78-19N03
Amphenol PCD
1: ¥13,083.7
5In Stock

Mfr. Part #
M85049/78-19N03

Mouser Part #
523-85049/78-19N03

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

Datasheet

5In Stock

¥13,083.7

¥11,377.9

¥11,203.4

¥11,108.8

View

Min.: 1
Mult.: 1

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

M85049/78-21N06
Amphenol PCD
1: ¥14,359.3
9In Stock

Mfr. Part #
M85049/78-21N06

Mouser Part #
523-85049/78-21N06

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

Datasheet

9In Stock

¥14,359.3

¥12,763.1

¥11,253.3

Min.: 1
Mult.: 1

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

M85049/78-21N07
Amphenol PCD
1: ¥14,797.8
5In Stock

Mfr. Part #
M85049/78-21N07

Mouser Part #
523-85049/78-21N07

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

Datasheet

5In Stock

¥14,797.8

¥12,710

¥11,914.4

¥11,346.3

¥10,804.8

Min.: 1
Mult.: 1

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

M85049/78-21N08
Amphenol PCD
1: ¥13,954.1
11In Stock

Mfr. Part #
M85049/78-21N08

Mouser Part #
523-85049/78-21N08

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

Datasheet

11In Stock

¥13,954.1

¥12,934.2

¥12,125.3

¥11,552.3

¥11,000.8

Min.: 1
Mult.: 1

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

M85049/78-25N10
Amphenol PCD
1: ¥17,257.8
7In Stock

Mfr. Part #
M85049/78-25N10

Mouser Part #
523-85049/78-25N10

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

Datasheet

7In Stock

¥17,257.8

¥14,902.5

¥13,967.3

¥13,302.9

¥12,668.4

Min.: 1
Mult.: 1

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

M85049/79-13N03
Amphenol PCD
1: ¥13,153.5
16In Stock

Mfr. Part #
M85049/79-13N03

Mouser Part #
523-85049/79-13N03

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

Datasheet

16In Stock

¥13,153.5

¥11,346.3

¥10,633.7

¥10,127.1

¥9,643.8

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 15

M85049/79-15N05
Amphenol PCD
1: ¥14,140.1
19In Stock
25Expected 8/14/2026

Mfr. Part #
M85049/79-15N05

Mouser Part #
523-85049/79-15N05

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 15

Datasheet

19In Stock

25Expected 8/14/2026

¥14,140.1

¥12,336.2

¥11,565.5

¥11,014.1

View

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 19

M85049/79-19N07
Amphenol PCD
1: ¥13,503.9
15In Stock

Mfr. Part #
M85049/79-19N07

Mouser Part #
523-85049/79-19N07

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 19

Datasheet

15In Stock

¥13,503.9

¥13,028.9

¥13,027.2

¥12,022.3

Quote

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 21

M85049/79-21N06
Amphenol PCD
1: ¥15,282.9
17In Stock
25Expected 9/29/2026

Mfr. Part #
M85049/79-21N06

Mouser Part #
523-85049/79-21N06

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 21

Datasheet

17In Stock

25Expected 9/29/2026

¥15,282.9

¥13,145.2

¥12,319.6

¥11,735

¥11,175.2

Min.: 1
Mult.: 1

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 21

M85049/79-21N07
Amphenol PCD
1: ¥15,424
16In Stock

Mfr. Part #
M85049/79-21N07

Mouser Part #
523-85049/79-21N07

Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI R/A NIC SZ 21

Datasheet

16In Stock

¥15,424

¥13,384.3

¥12,545.5

¥11,949.2

¥11,377.9

Min.: 1
Mult.: 1

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

M85049/8-12N
Amphenol PCD
1: ¥9,427.8
19In Stock

Mfr. Part #
M85049/8-12N

Mouser Part #
523-85049/8-12N

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

Datasheet

19In Stock

¥9,427.8

¥8,177.1

¥7,841.6

¥7,668.8

View

Min.: 1
Mult.: 1

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

M85049/8-17N
Amphenol PCD
1: ¥10,643.7
15In Stock

Mfr. Part #
M85049/8-17N

Mouser Part #
523-85049/8-17N

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

Datasheet

15In Stock

¥10,643.7

¥9,158.8

¥9,157.1

¥8,914.6

View

Min.: 1
Mult.: 1

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

M85049/8-40N
Amphenol PCD
1: ¥9,427.8
11In Stock

Mfr. Part #
M85049/8-40N

Mouser Part #
523-85049/8-40N

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

Datasheet

11In Stock

¥9,427.8

¥8,177.1

¥7,487.8

Min.: 1
Mult.: 1

Circular MIL Spec Backshells 8 Backshell Env-EMI/RFI

M85049/8-4N
Amphenol PCD
1: ¥8,833.2
5In Stock

Mfr. Part #
M85049/8-4N

Mouser Part #
523-85049/8-4N

Circular MIL Spec Backshells 8 Backshell Env-EMI/RFI

Datasheet

5In Stock

¥8,833.2

¥7,680.5

¥7,230.3

Min.: 1
Mult.: 1

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

M85049/8-59N
Amphenol PCD
1: ¥11,558.9
9In Stock

Mfr. Part #
M85049/8-59N

Mouser Part #
523-85049/8-59N

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

Datasheet

9In Stock

¥11,558.9

¥10,024.1

¥9,796.6

¥9,794.9

View

Min.: 1
Mult.: 1