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Composite Backshells

Amphenol PCD Composite Backshells are available in a straight unfinished backshell, a 90° unfinished backshell, and an unfinished split-shield ring backshell. Amphenol PCD Composite Backshells are ideal for anywhere lightweight connector support is needed. These backshells are especially suitable for commercial aerospace applications, including cockpits, cabins, wireframes, and avionics.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Circular MIL Spec Strain Reliefs & Adapters 91 Backshell Composite Strain Relief M85049/91-09T Amphenol PCD 1: $51.16 26In Stock	Mfr. Part # M85049/91-09T Mouser Part # 523-M85049/91-09T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters 91 Backshell Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	26In Stock	$51.16 $43.50 $40.77 View $37.58 $34.80 $33.65 $33.34	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/91-13T Amphenol PCD 1: $56.48 25In Stock	Mfr. Part # M85049/91-13T Mouser Part # 523-M85049/91-13T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	25In Stock	$56.48 $48.54 $45.82 View $43.65 $40.62 $38.97 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/91-15T Amphenol PCD 1: $61.14 24In Stock	Mfr. Part # M85049/91-15T Mouser Part # 523-M85049/91-15T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	24In Stock	$61.14 $51.97 View $48.72 $45.48 $42.44 $40.59 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/91-17T Amphenol PCD 1: $64.47 1In Stock 50Expected 2026-11-09	Mfr. Part # M85049/91-17T Mouser Part # 523-M85049/91-17T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	1In Stock 50Expected 2026-11-09	$64.47 $61.08 $55.01 View $52.29 $51.87 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 91 Backshell Composite Strain Relief M85049/91-21T Amphenol PCD 1: $66.30 15In Stock	Mfr. Part # M85049/91-21T Mouser Part # 523-M85049/91-21T	Amphenol PCD	Circular MIL Spec Backshells 91 Backshell Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	15In Stock	$66.30 $56.36 View $56.35 $54.62 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 91 Backshell Composite Strain Relief M85049/91-25T Amphenol PCD 1: $74.76 13In Stock	Mfr. Part # M85049/91-25T Mouser Part # 523-M85049/91-25T	Amphenol PCD	Circular MIL Spec Backshells 91 Backshell Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	13In Stock	$74.76 $63.94 View $59.92 $57.07 $54.35 $50.95	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-11T Amphenol PCD 1: $57.93 18In Stock	Mfr. Part # M85049/92-11T Mouser Part # 523-M85049/92-11T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	18In Stock	$57.93 $50.69 View $50.34 $49.82 $45.99 $45.16 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-13T Amphenol PCD 1: $59.53 2In Stock	Mfr. Part # M85049/92-13T Mouser Part # 523-M85049/92-13T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	2In Stock	$59.53 View $57.82 $50.85 $49.56 $47.84 $46.08	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-15T Amphenol PCD 1: $68.18 5In Stock	Mfr. Part # M85049/92-15T Mouser Part # 523-M85049/92-15T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	5In Stock	$68.18 View $64.38 $63.39 $57.82 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-21T Amphenol PCD 1: $83.78 4In Stock	Mfr. Part # M85049/92-21T Mouser Part # 523-M85049/92-21T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	4In Stock	$83.78 View $72.00 $68.16 $65.43 $62.42 $57.82 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-06 Amphenol PCD 1: $15.62 21In Stock 25Expected 2026-11-06	Mfr. Part # M85049/93-06 Mouser Part # 523-M85049/93-06	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	21In Stock 25Expected 2026-11-06	$15.62 $14.75 $12.51 View $12.18 $11.65 $11.28 $10.76 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring M85049/93-10 Amphenol PCD 1: $18.20 37In Stock 100On Order	Mfr. Part # M85049/93-10 Mouser Part # 523-M85049/93-10	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	37In Stock 100On Order On Order Ship Dates Mfr. #: M85049/93-10 Stock: 37 Can Ship Immediately On Order: 25 Expected 2026-11-18 75 Expected 2026-12-02 Factory Lead-Time: 12 Weeks	$18.20 $15.48 $14.50 $13.81 View $13.15 $12.33 $11.74 $11.17	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-12 Amphenol PCD 1: $19.30 8In Stock	Mfr. Part # M85049/93-12 Mouser Part # 523-M85049/93-12	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	8In Stock	$19.30 View $16.40 $15.36 $14.63 $13.92 $13.06 $12.44 $11.84	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring M85049/93-26 Amphenol PCD 1: $24.81 23In Stock	Mfr. Part # M85049/93-26 Mouser Part # 523-M85049/93-26	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	23In Stock	$24.81 $21.10 View $19.64 $18.81 $16.93 $16.24 $15.71 $15.34 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-08 Amphenol PCD 1: $18.26 375On Order	Mfr. Part # M85049/93-08 Mouser Part # 523-M85049/93-08	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	375On Order On Order Ship Dates Mfr. #: M85049/93-08 Stock: 0 On Order: 125 Expected 2026-11-18 250 Expected 2026-12-02 Factory Lead-Time: 12 Weeks	$18.26 $15.68 $14.69 $13.98 View $12.27 $11.85 $11.29 $10.74 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-19T Amphenol PCD 1: $76.82 18Expected 2026-12-28	Mfr. Part # M85049/92-19T Mouser Part # 523-M85049/92-19T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	18Expected 2026-12-28	$76.82 $65.30 View $65.29 $63.37 $62.38 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/91-11T Amphenol PCD Non-Stocked Lead-Time 12 Weeks	Mfr. Part # M85049/91-11T Mouser Part # 523-M85049/91-11T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote
Circular MIL Spec Backshells 92 Backshell Composite Strain Relief M85049/92-09T Amphenol PCD Non-Stocked Lead-Time 12 Weeks	Mfr. Part # M85049/92-09T Mouser Part # 523-M85049/92-09T	Amphenol PCD	Circular MIL Spec Backshells 92 Backshell Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-23T Amphenol PCD Non-Stocked Lead-Time 12 Weeks	Mfr. Part # M85049/92-23T Mouser Part # 523-M85049/92-23T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-14 Amphenol PCD Non-Stocked Lead-Time 12 Weeks	Mfr. Part # M85049/93-14 Mouser Part # 523-M85049/93-14	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-16 Amphenol PCD Non-Stocked Lead-Time 12 Weeks	Mfr. Part # M85049/93-16 Mouser Part # 523-M85049/93-16	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote
Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring M85049/93-18 Amphenol PCD Non-Stocked Lead-Time 12 Weeks	Mfr. Part # M85049/93-18 Mouser Part # 523-M85049/93-18	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote
Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring M85049/93-20 Amphenol PCD Non-Stocked Lead-Time 12 Weeks	Mfr. Part # M85049/93-20 Mouser Part # 523-M85049/93-20	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-24 Amphenol PCD Non-Stocked Lead-Time 12 Weeks	Mfr. Part # M85049/93-24 Mouser Part # 523-M85049/93-24	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring Learn More about Amphenol PCD composite backshells	Datasheet	Non-Stocked Lead-Time 12 Weeks		Request a Quote

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