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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 (GBP) 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: £26.68 26In Stock	Mfr. Part No. M85049/91-09T Mouser Part No 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	£26.68 £22.68 £21.26 View £19.60 £18.15 £17.55 £17.38	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/91-13T Amphenol PCD 1: £29.45 25In Stock	Mfr. Part No. M85049/91-13T Mouser Part No 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	£29.45 £25.31 £23.89 View £22.76 £21.18 £20.31 £20.18	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/91-15T Amphenol PCD 1: £31.88 24In Stock	Mfr. Part No. M85049/91-15T Mouser Part No 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	£31.88 £27.10 View £25.40 £23.71 £22.12 £21.16 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/91-17T Amphenol PCD 1: £33.61 1In Stock 50Expected 09/11/2026	Mfr. Part No. M85049/91-17T Mouser Part No 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 09/11/2026	£33.61 £31.85 £28.68 View £27.26 £27.05 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 91 Backshell Composite Strain Relief M85049/91-21T Amphenol PCD 1: £34.56 15In Stock	Mfr. Part No. M85049/91-21T Mouser Part No 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	£34.56 £29.39 View £29.38 £28.48 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 91 Backshell Composite Strain Relief M85049/91-25T Amphenol PCD 1: £38.98 13In Stock	Mfr. Part No. M85049/91-25T Mouser Part No 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	£38.98 £33.33 View £31.24 £29.75 £28.34 £26.76	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-11T Amphenol PCD 1: £30.21 18In Stock	Mfr. Part No. M85049/92-11T Mouser Part No 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	£30.21 £26.43 View £26.25 £25.98 £23.98 £23.54 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-13T Amphenol PCD 1: £31.04 2In Stock	Mfr. Part No. M85049/92-13T Mouser Part No 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	£31.04 View £30.14 £26.51 £25.84 £24.94 £24.02	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-15T Amphenol PCD 1: £35.55 5In Stock	Mfr. Part No. M85049/92-15T Mouser Part No 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	£35.55 View £33.57 £33.05 £30.14 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-21T Amphenol PCD 1: £43.68 4In Stock	Mfr. Part No. M85049/92-21T Mouser Part No 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	£43.68 View £37.54 £35.53 £34.12 £32.55 £30.14 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-06 Amphenol PCD 1: £8.15 21In Stock 25Expected 06/11/2026	Mfr. Part No. M85049/93-06 Mouser Part No 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 06/11/2026	£8.15 £7.69 £6.52 View £6.36 £6.08 £5.88 £5.60	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring M85049/93-10 Amphenol PCD 1: £9.49 37In Stock 100On Order	Mfr. Part No. M85049/93-10 Mouser Part No 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. No: M85049/93-10 Stock: 37 Can Dispatch Immediately On Order: 25 Expected 18/11/2026 75 Expected 02/12/2026 Factory Lead Time: 12 Weeks	£9.49 £8.08 £7.56 £7.20 View £6.85 £6.43 £6.12 £5.82	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-12 Amphenol PCD 1: £10.06 8In Stock	Mfr. Part No. M85049/93-12 Mouser Part No 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	£10.06 View £8.56 £8.01 £7.63 £7.26 £6.81 £6.49 £6.17	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Split Ring M85049/93-26 Amphenol PCD 1: £12.94 23In Stock	Mfr. Part No. M85049/93-26 Mouser Part No 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	£12.94 £11.00 View £10.24 £9.80 £8.83 £8.47 £8.19 £8.00 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters 93 Backshell Composite Split Ring M85049/93-08 Amphenol PCD 1: £9.52 375On Order	Mfr. Part No. M85049/93-08 Mouser Part No 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. No: M85049/93-08 Stock: 0 On Order: 125 Expected 18/11/2026 250 Expected 02/12/2026 Factory Lead Time: 12 Weeks	£9.52 £8.18 £7.66 £7.29 View £6.40 £6.18 £5.88 £5.60	Min.: 1 Mult.: 1
Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief M85049/92-19T Amphenol PCD 1: £40.05 18Expected 28/12/2026	Mfr. Part No. M85049/92-19T Mouser Part No 523-M85049/92-19T	Amphenol PCD	Circular MIL Spec Strain Reliefs & Adapters Composite Strain Relief Learn More about Amphenol PCD composite backshells	Datasheet	18Expected 28/12/2026	£40.05 £34.05 View £34.04 £33.04 £32.53 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 No. M85049/91-11T Mouser Part No 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 No. M85049/92-09T Mouser Part No 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 No. M85049/92-23T Mouser Part No 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 No. M85049/93-14 Mouser Part No 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 No. M85049/93-16 Mouser Part No 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 No. M85049/93-18 Mouser Part No 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 No. M85049/93-20 Mouser Part No 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 No. M85049/93-24 Mouser Part No 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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