Circular MIL Spec Connectors

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Black-Zinc Nickel-Finish Backshell Clamps

Amphenol PCD Black-Zinc Nickel-Finish Backshell Clamps are RoHS-compliant replacements for cadmium plating. These clamps offer a cost-effective cable holding option over cadmium and provide environmental protection. The series is available in a variety of shell sizes (11 through 48), both military (MIL) specification and commercial types, and with EMI/RFI shielding. The clamps clean up the cable after termination and provide good strain relief at the termination area. Amphenol PCD Black-Zinc Nickel-Finish Backshell Clamps are suitable for aeronautical and military applications.

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Types of Circular MIL Spec Connectors

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Part #

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/123S10Z
Amphenol PCD
1: ¥10,502.5
23In Stock

Mfr. Part #
M85049/123S10Z

Mouser Part #
523-M85049/123S10Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

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Datasheet

23In Stock

¥10,502.5

¥9,107.3

¥8,004.4

¥6,620.7

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 I, II

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/123S16Z
Amphenol PCD
1: ¥11,404.4
19In Stock

Mfr. Part #
M85049/123S16Z

Mouser Part #
523-M85049/123S16Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

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Datasheet

19In Stock

¥11,404.4

¥9,889.6

¥9,201.9

¥9,190.3

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 I, II

Right Angle

Circular MIL Spec Tools, Hardware & Accessories MS25043 - RECPT;BZN

MS25043-28DZ
Amphenol PCD
1: ¥3,875.1
47In Stock

Mfr. Part #
MS25043-28DZ

Mouser Part #
523-MS25043-28DZ

Amphenol PCD

Circular MIL Spec Tools, Hardware & Accessories MS25043 - RECPT;BZN

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Datasheet

47In Stock

¥3,875.1

¥3,293.8

¥3,044.6

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Min.: 1
Mult.: 1

Accessories

MIL-DTL-5015

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/147S23Z
Amphenol PCD
1: ¥8,881.4
22In Stock

Mfr. Part #
M85049/147S23Z

Mouser Part #
523-M85049/147S23Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

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Datasheet

22In Stock

¥8,881.4

¥7,725.3

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Min.: 1
Mult.: 1

Strain Reliefs

Circular MIL Spec Backshells

M85049/1710Z03
Amphenol PCD
1: ¥12,009
17In Stock

Mfr. Part #
M85049/1710Z03

Mouser Part #
523-M850491710Z03

Amphenol PCD

Circular MIL Spec Backshells

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Datasheet

17In Stock

¥12,009

¥10,675.2

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 I, II

Straight

Circular MIL Spec Backshells BACKSHELL

M85049/1923Z09
Amphenol PCD
1: ¥14,766.3
15In Stock

Mfr. Part #
M85049/1923Z09

Mouser Part #
523-M850491923Z09

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

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Datasheet

15In Stock

¥14,766.3

¥13,869.4

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/147S17Z
Amphenol PCD
1: ¥7,705.4
22In Stock

Mfr. Part #
M85049/147S17Z

Mouser Part #
523-M85049/147S17Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

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Datasheet

22In Stock

¥7,705.4

¥6,700.5

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Min.: 1
Mult.: 1

Strain Reliefs

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

M85049/1917Z04
Amphenol PCD
1: ¥12,351.2
23In Stock

Mfr. Part #
M85049/1917Z04

Mouser Part #
523-M850491917Z04

Amphenol PCD

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

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Datasheet

23In Stock

¥12,351.2

¥10,979.2

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Min.: 1
Mult.: 1

Non-Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/147S09Z
Amphenol PCD
1: ¥6,698.8
28In Stock

Mfr. Part #
M85049/147S09Z

Mouser Part #
523-M85049/147S09Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

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Datasheet

28In Stock

¥6,698.8

¥5,825.1

¥5,202.3

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Min.: 1
Mult.: 1

Strain Reliefs

Circular MIL Spec Backshells Backshell;Non Env;BZN

M85049/2113Z03
Amphenol PCD
1: ¥8,643.8
25In Stock

Mfr. Part #
M85049/2113Z03

Mouser Part #
523-M850492113Z03

Amphenol PCD

Circular MIL Spec Backshells Backshell;Non Env;BZN

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Datasheet

25In Stock

¥8,643.8

¥7,514.4

¥6,597.5

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Min.: 1
Mult.: 1

Non-Environmental Backshells

MIL-DTL-38999 III, IV

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

M85049/79-09Z02
Amphenol PCD
1: ¥14,279.6
16In Stock

Mfr. Part #
M85049/79-09Z02

Mouser Part #
523-M8504979-09Z02

Amphenol PCD

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

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Datasheet

16In Stock

¥14,279.6

¥12,693.4

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Circular MIL Spec Backshells

M85049/1712Z04
Amphenol PCD
1: ¥12,424.3
14In Stock

Mfr. Part #
M85049/1712Z04

Mouser Part #
523-M850491712Z04

Amphenol PCD

Circular MIL Spec Backshells

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Datasheet

14In Stock

¥12,424.3

¥11,044

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 I, II

Straight

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

M85049/1825Z10
Amphenol PCD
1: ¥17,028.6
222In Stock

Mfr. Part #
M85049/1825Z10

Mouser Part #
523-M850491825Z10

Amphenol PCD

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

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Datasheet

222In Stock

¥17,028.6

¥15,920.7

¥15,847.6

¥15,292.8

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

Circular MIL Spec Backshells BACKSHELL

M85049/88-11Z03
Amphenol PCD
1: ¥8,017.6
1,334In Stock
2,250Expected 12/24/2026

Mfr. Part #
M85049/88-11Z03

Mouser Part #
523-M8504988-11Z03

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Learn More

Datasheet

1,334In Stock

2,250Expected 12/24/2026

¥8,017.6

¥7,325

¥7,152.3

¥7,044.3

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Min.: 1
Mult.: 1

Adapters

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/118-36Z
Amphenol PCD
1: ¥18,702.9
18In Stock

Mfr. Part #
M85049/118-36Z

Mouser Part #
523-M85049/118-36Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

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Datasheet

18In Stock

¥18,702.9

¥17,558.4

¥15,312.8

¥15,130

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-26482 II

Straight

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/120-20Z
Amphenol PCD
1: ¥7,615.7
45In Stock

Mfr. Part #
M85049/120-20Z

Mouser Part #
523-M85049/120-20Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

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Datasheet

45In Stock

¥7,615.7

¥7,125.7

¥6,806.8

¥6,142.4

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-26482 II

Right Angle

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/124-17Z
Amphenol PCD
1: ¥6,796.8
50In Stock
50Expected 10/6/2026

Mfr. Part #
M85049/124-17Z

Mouser Part #
523-M85049/124-17Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

Learn More

Datasheet

50In Stock

50Expected 10/6/2026

¥6,796.8

¥6,296.9

¥5,855

¥5,288.6

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells Strain Relief Clamp

M85049/124S13Z
Amphenol PCD
1: ¥9,339.8
37In Stock

Mfr. Part #
M85049/124S13Z

Mouser Part #
523-M85049/124S13Z

Amphenol PCD

Circular MIL Spec Backshells Strain Relief Clamp

Learn More

Datasheet

37In Stock

¥9,339.8

¥8,967.7

¥8,966.1

¥8,926.2

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters 124 Backshell Strain Relief Clamp

M85049/124S17Z
Amphenol PCD
1: ¥9,848.1
40In Stock

Mfr. Part #
M85049/124S17Z

Mouser Part #
523-M85049/124S17Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 124 Backshell Strain Relief Clamp

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Datasheet

40In Stock

¥9,848.1

¥9,775

¥9,773.3

¥9,696.9

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

M85049/124S21Z
Amphenol PCD
1: ¥12,869.4
31In Stock

Mfr. Part #
M85049/124S21Z

Mouser Part #
523-M85049/124S21Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Strain Relief Clamp

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Datasheet

31In Stock

¥12,869.4

¥9,233.5

¥8,303.3

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Min.: 1
Mult.: 1

Strain Reliefs

MIL-DTL-38999 III, IV

Straight

Circular MIL Spec Backshells BACKSHELL

M85049/69-11Z
Amphenol PCD
1: ¥4,838.5
121In Stock
125Expected 10/8/2026

Mfr. Part #
M85049/69-11Z

Mouser Part #
523-M85049/69-11Z

Amphenol PCD

Circular MIL Spec Backshells BACKSHELL

Learn More

Datasheet

121In Stock

125Expected 10/8/2026

¥4,838.5

¥4,632.5

¥2,763.9

¥2,642.7

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters Backshell;Shrink Boot;BZN

M85049/69-15Z
Amphenol PCD
1: ¥4,838.5
199In Stock
875On Order

Mfr. Part #
M85049/69-15Z

Mouser Part #
523-M85049/69-15Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters Backshell;Shrink Boot;BZN

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Datasheet

199In Stock

875On Order

¥4,838.5

¥4,632.5

¥3,576.1

¥3,398.4

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Min.: 1
Mult.: 1

Circular MIL Spec Strain Reliefs & Adapters 69 Backshell Shrink Boot

M85049/69-9Z
Amphenol PCD
1: ¥4,446.5
390In Stock

Mfr. Part #
M85049/69-9Z

Mouser Part #
523-M85049/69-9Z

Amphenol PCD

Circular MIL Spec Strain Reliefs & Adapters 69 Backshell Shrink Boot

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Datasheet

390In Stock

¥4,446.5

¥4,262.1

¥4,096

¥3,895

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Min.: 1
Mult.: 1

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

M85049/1813Z03
Amphenol PCD
1: ¥12,065.5
61In Stock
75Expected 10/21/2026

Mfr. Part #
M85049/1813Z03

Mouser Part #
523-M850491813Z03

Amphenol PCD

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

Learn More

Datasheet

61In Stock

75Expected 10/21/2026

¥12,065.5

¥11,206.8

¥11,205.1

¥10,303.2

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

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

M85049/1815Z04
Amphenol PCD
1: ¥13,078.7
31In Stock
25Expected 10/29/2026

Mfr. Part #
M85049/1815Z04

Mouser Part #
523-M850491815Z04

Amphenol PCD

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

Learn More

Datasheet

31In Stock

25Expected 10/29/2026

¥13,078.7

¥11,296.5

¥10,587.2

¥10,082.3

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Min.: 1
Mult.: 1

Environmental EMI/RFI Backshells

MIL-DTL-38999 III, IV

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