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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 11 M85049/90-11W03 Amphenol PCD 1: £46.44 427In Stock 500Expected 21/10/2026	Mfr. Part No. M85049/90-11W03 Mouser Part No 523-85049/90-11W03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 11 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	427In Stock 500Expected 21/10/2026	£46.44 £40.97 £38.41 £36.58 View £34.83 £33.38	Min.: 1 Mult.: 1	No
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 13 M85049/90-13W03 Amphenol PCD 1: £44.85 302In Stock	Mfr. Part No. M85049/90-13W03 Mouser Part No 523-85049/90-13W03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 13 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	302In Stock	£44.85 £41.85 £40.30 £39.11 View £37.41 £37.09 Quote	Min.: 1 Mult.: 1	No
Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 15 M85049/90-15W03 Amphenol PCD 1: £49.59 300In Stock	Mfr. Part No. M85049/90-15W03 Mouser Part No 523-85049/90-15W03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL BND LOCK ADPTR R/A CAD SZ 15 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	300In Stock	£49.59 £45.17 £43.37 £40.91	Min.: 1 Mult.: 1	No
Circular MIL Spec Backshells BACKSHELL M85049/88-11Z03 Amphenol PCD 1: £34.10 1,066In Stock 2,250Expected 24/12/2026	Mfr. Part No. M85049/88-11Z03 Mouser Part No 523-M8504988-11Z03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL Learn More about Amphenol PCD amphenol black zinc nickel backshells	Datasheet	1,066In Stock 2,250Expected 24/12/2026	£34.10 £32.15 £31.59 £29.67 View £28.74 £26.86 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL M85049/88-17Z03 Amphenol PCD 1: £39.01 720In Stock 525Expected 18/11/2026	Mfr. Part No. M85049/88-17Z03 Mouser Part No 523-M8504988-17Z03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL	Datasheet	720In Stock 525Expected 18/11/2026	£39.01 £33.17 £31.09 £29.61 View £28.77 £28.20 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 12 M85049/10-14N Amphenol PCD 1: £57.68 34In Stock	Mfr. Part No. M85049/10-14N Mouser Part No 523-85049/10-14N	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 12 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	34In Stock	£57.68 £51.27 £45.67	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 14 M85049/10-17N Amphenol PCD 1: £67.96 67In Stock 75Expected 25/11/2026	Mfr. Part No. M85049/10-17N Mouser Part No 523-85049/10-17N	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 14 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	67In Stock 75Expected 25/11/2026	£67.96 £53.17 £52.12 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV ST NIC M85049/11-18N Amphenol PCD 1: £49.47 37In Stock	Mfr. Part No. M85049/11-18N Mouser Part No 523-85049/11-18N	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV ST NIC Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	37In Stock	£49.47 £42.91 £41.25 £38.80 View £37.94 £37.61 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 17 Backshell Env-EMI/RFI M85049/1710N03 Amphenol PCD 1: £46.59 30In Stock	Mfr. Part No. M85049/1710N03 Mouser Part No 523-85049/1710N03	Amphenol PCD	Circular MIL Spec Backshells 17 Backshell Env-EMI/RFI Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	30In Stock	£46.59 £39.97 £39.92 £38.93 View £36.19 £35.92 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI M85049/1811N03 Amphenol PCD 1: £38.38 74In Stock 325On Order	Mfr. Part No. M85049/1811N03 Mouser Part No 523-85049/1811N03	Amphenol PCD	Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	74In Stock 325On Order On Order Ship Dates Mfr. No: M85049/1811N03 Stock: 74 Can Dispatch Immediately On Order: 175 Expected 06/10/2026 150 Expected 18/12/2026 Factory Lead Time: 12 Weeks	£38.38 £34.73 £29.94 £29.06 £27.99	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 13 M85049/1813N03 Amphenol PCD 1: £48.71 164In Stock 475On Order	Mfr. Part No. M85049/1813N03 Mouser Part No 523-85049/1813N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 13 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	164In Stock 475On Order On Order Ship Dates Mfr. No: M85049/1813N03 Stock: 164 Can Dispatch Immediately On Order: 250 Expected 06/10/2026 225 Expected 17/12/2026 Factory Lead Time: 12 Weeks	£48.71 £41.41 £38.81 £36.97 View £35.07 £34.40 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 15 M85049/1815N03 Amphenol PCD 1: £47.54 129In Stock	Mfr. Part No. M85049/1815N03 Mouser Part No 523-85049/1815N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 15 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	129In Stock	£47.54 £42.59 £40.04 £38.13 View £37.04 £36.30 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI M85049/1815N04 Amphenol PCD 1: £51.64 108In Stock	Mfr. Part No. M85049/1815N04 Mouser Part No 523-85049/1815N04	Amphenol PCD	Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	108In Stock	£51.64 £44.78 £42.03 £40.73 View £38.48 £37.31 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 15 M85049/1815N05 Amphenol PCD 1: £51.38 239In Stock	Mfr. Part No. M85049/1815N05 Mouser Part No 523-85049/1815N05	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 15 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	239In Stock	£51.38 £45.10 £36.01 £35.64 Quote Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 17 M85049/1817N04 Amphenol PCD 1: £48.10 194In Stock 150Expected 06/10/2026	Mfr. Part No. M85049/1817N04 Mouser Part No 523-85049/1817N04	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 17 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	194In Stock 150Expected 06/10/2026	£48.10 £43.34 £41.27 £39.30 View £37.03 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 17 M85049/1817N05 Amphenol PCD 1: £54.76 50In Stock	Mfr. Part No. M85049/1817N05 Mouser Part No 523-85049/1817N05	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 17 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	50In Stock	£54.76 £46.56 £46.09 £41.55 View £39.57 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI M85049/1821N05 Amphenol PCD 1: £55.61 37In Stock	Mfr. Part No. M85049/1821N05 Mouser Part No 523-85049/1821N05	Amphenol PCD	Circular MIL Spec Backshells 18 Backshell Env-EMI/RFI Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	37In Stock	£55.61 £47.43 £45.35 £42.34 £40.32	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 21 M85049/1821N08 Amphenol PCD 1: £57.95 91In Stock	Mfr. Part No. M85049/1821N08 Mouser Part No 523-85049/1821N08	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 21 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	91In Stock	£57.95 £50.10 £48.69 £47.05 £42.58	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 M85049/1823N03 Amphenol PCD 1: £56.13 29In Stock 50Expected 06/01/2027	Mfr. Part No. M85049/1823N03 Mouser Part No 523-85049/1823N03	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	29In Stock 50Expected 06/01/2027	£56.13 £48.81 £45.75 £43.57 View £41.48 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 M85049/1823N05 Amphenol PCD 1: £58.59 56In Stock	Mfr. Part No. M85049/1823N05 Mouser Part No 523-85049/1823N05	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	56In Stock	£58.59 £50.62 £47.45 £45.18 View £43.03 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 M85049/1823N07 Amphenol PCD 1: £60.85 26In Stock	Mfr. Part No. M85049/1823N07 Mouser Part No 523-85049/1823N07	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	26In Stock	£60.85 £52.48 £49.20 £46.85 £44.62	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 M85049/1823N09 Amphenol PCD 1: £62.94 46In Stock	Mfr. Part No. M85049/1823N09 Mouser Part No 523-85049/1823N09	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 23 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	46In Stock	£62.94 £54.43 £53.29 £48.59 £46.27	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25 M85049/1825N04 Amphenol PCD 1: £60.29 23In Stock 75On Order	Mfr. Part No. M85049/1825N04 Mouser Part No 523-85049/1825N04	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	23In Stock 75On Order On Order Ship Dates Mfr. No: M85049/1825N04 Stock: 23 Can Dispatch Immediately On Order: 25 Expected 01/12/2026 50 Expected 05/01/2027 Factory Lead Time: 12 Weeks	£60.29 £52.06 £48.80 £46.48 View £44.27 Quote	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25 M85049/1825N05 Amphenol PCD 1: £63.38 43In Stock	Mfr. Part No. M85049/1825N05 Mouser Part No 523-85049/1825N05	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	43In Stock	£63.38 £55.92 £53.00 £47.34 £45.08	Min.: 1 Mult.: 1
Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25 M85049/1825N06 Amphenol PCD 1: £66.13 25In Stock	Mfr. Part No. M85049/1825N06 Mouser Part No 523-85049/1825N06	Amphenol PCD	Circular MIL Spec Backshells BACKSHELL ENV EMI/ RFI ST NIC SZ 25 Learn More about Amphenol PCD amphenolpcdbackshell	Datasheet	25In Stock	£66.13 £66.09 £61.94 View Quote	Min.: 1 Mult.: 1

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