D-Sub Backshells – Mouser United Kingdom

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ARMOR Ruggedized Backshell Systems

NorComp ARMOR D-Sub Backshells are designed for rugged/robust applications including but not limited to military, industrial, and aerospace. Featuring an all-metal die-cast housing, these backshells offer high-reliability performance for the most challenging design applications. Available in 5 industry standard sizes (Standard: 9,15,25,37,50 | HD: 15,26,44,62,78). Also feature perimeter sealing lips for secure assembly and die-cast metal shells provide excellent EMI/ RFI shielding.

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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.	Type	Shell Size	Cable Entry Angle	Number of Cable Entries	Shell Material	Shell Plating	Number of Positions	Packaging
D-Sub Backshells 25P 45D Slide Lock Die Cast Nickel 954-025-030R121 NorComp 1: £8.19 45In Stock 400On Order	Mfr. Part No. 954-025-030R121 Mouser Part No 636-954-025-030R121	NorComp	D-Sub Backshells 25P 45D Slide Lock Die Cast Nickel Learn More about NorComp armor d sub backshells	Datasheet	45In Stock 400On Order On Order Ship Dates Mfr. No: 954-025-030R121 Stock: 45 Can Dispatch Immediately On Order: 200 Expected 25/12/2026 200 Expected 01/01/2027 Factory Lead Time: 19 Weeks	£8.19 £7.00 £6.57 £6.25 View £5.95 £5.50 £5.31 £5.06	Min.: 1 Mult.: 1	Strain Relief Backshell	3 (B)	45 deg	1 Entry	Copper	Nickel	25 Position	Bulk
D-Sub Backshells 9P 180/30D Qk Lock Black Plastic 955-009-010R011 NorComp 1: £6.27 134In Stock	Mfr. Part No. 955-009-010R011 Mouser Part No 636-955-009-010R011	NorComp	D-Sub Backshells 9P 180/30D Qk Lock Black Plastic Learn More about NorComp armor d sub backshells	Datasheet	134In Stock	£6.27 £5.33 £5.00 £4.76 View £4.53 £4.19 £4.04 £3.84 £3.83	Min.: 1 Mult.: 1	Strain Relief Backshell	1 (E)	Variable Entries	2 Entry	Acrylonitrile Butadiene Styrene (ABS)		9 Position	Bulk
D-Sub Backshells 9P 180/30D Qk Lock Die Cast 955-009-030R121 NorComp 1: £23.05 5In Stock 100Expected 25/12/2026	Mfr. Part No. 955-009-030R121 Mouser Part No 636-955-009-030R121	NorComp	D-Sub Backshells 9P 180/30D Qk Lock Die Cast Learn More about NorComp armor d sub backshells	Datasheet	5In Stock 100Expected 25/12/2026	£23.05 £18.95 £17.77 £16.92 View £16.10 £14.90 £14.42	Min.: 1 Mult.: 1	Two Piece Backshell	1 (E)	Variable Entries	3 Entry	Zinc Alloy	Nickel over Copper	9 Position	Bulk
D-Sub Backshells 15P 180/30D Qk Lock Metalized Plastic 955-015-020R121 NorComp 1: £10.18 30In Stock 300On Order	Mfr. Part No. 955-015-020R121 Mouser Part No 636-955-015-020R121	NorComp	D-Sub Backshells 15P 180/30D Qk Lock Metalized Plastic Learn More about NorComp armor d sub backshells	Datasheet	30In Stock 300On Order On Order Ship Dates Mfr. No: 955-015-020R121 Stock: 30 Can Dispatch Immediately On Order: 100 Expected 06/11/2026 200 Expected 18/11/2026 Factory Lead Time: 16 Weeks	£10.18 £8.66 £8.11 £8.08 View £6.80 £6.56 £6.25	Min.: 1 Mult.: 1	Strain Relief Backshell	2 (A)	Variable Entries	2 Entry	Acrylonitrile Butadiene Styrene (ABS)	Nickel over Copper	15 Position	Bulk
D-Sub Backshells 37P 180/30D Qk Lock Metalized Plastic 955-037-020R121 NorComp 1: £14.58 20In Stock	Mfr. Part No. 955-037-020R121 Mouser Part No 636-955-037-020R121	NorComp	D-Sub Backshells 37P 180/30D Qk Lock Metalized Plastic Learn More about NorComp armor d sub backshells	Datasheet	20In Stock	£14.58 £12.40 £11.62 £11.06 View £10.53 £9.74 £9.40	Min.: 1 Mult.: 1					Metallized	Nickel over Copper		Bulk
D-Sub Backshells D-Sub Backshell 9 / 15 HD Position 45 Dual Entry 959-009-030R121 NorComp 1: £7.29 30In Stock 300On Order	Mfr. Part No. 959-009-030R121 Mouser Part No 636-959-009-030R121	NorComp	D-Sub Backshells D-Sub Backshell 9 / 15 HD Position 45 Dual Entry Learn More about NorComp armor d sub backshells	Datasheet	30In Stock 300On Order On Order Ship Dates Mfr. No: 959-009-030R121 Stock: 30 Can Dispatch Immediately On Order: 100 Expected 13/11/2026 200 Expected 25/12/2026 Factory Lead Time: 16 Weeks	£7.29 £6.84 £6.43 £5.53 View £5.26 £4.86 £4.70 £4.67	Min.: 1 Mult.: 1	Two Piece Backshell	1 (E)	45 deg	2 Entry	Zinc Alloy	Nickel	9 Position
D-Sub Backshells 15P 45 DEGRE DIECAST NICKEL PLATED 971-015-030R121 NorComp 1: £6.71 179In Stock 1,500On Order	Mfr. Part No. 971-015-030R121 Mouser Part No 636-971-015-030R121	NorComp	D-Sub Backshells 15P 45 DEGRE DIECAST NICKEL PLATED Learn More about NorComp armor d sub backshells	Datasheet	179In Stock 1,500On Order On Order Ship Dates Mfr. No: 971-015-030R121 Stock: 179 Can Dispatch Immediately On Order: 400 Pending 900 Expected 02/10/2026 200 Expected 07/10/2026 Factory Lead Time: 14 Weeks	£6.71 £5.71 £5.34 £5.09 View £4.85 £4.48 £4.32 £4.11	Min.: 1 Mult.: 1	Strain Relief Backshell	2 (A)	45 deg	1 Entry	Zinc	Nickel over Copper	15 Position	Bulk
D-Sub Backshells 15P 40 deg entry plastic shell black 974-015-010R011 NorComp 1: £4.30 109In Stock	Mfr. Part No. 974-015-010R011 Mouser Part No 636-974-015-010R011	NorComp	D-Sub Backshells 15P 40 deg entry plastic shell black Learn More about NorComp armor d sub backshells	Datasheet	109In Stock	£4.30 £3.66 £3.42 £3.26 View £3.25 £2.87 £2.76 £2.64 £2.47	Min.: 1 Mult.: 1	Two Piece Backshell	2 (A)	Side Entry	1 Entry	Acrylonitrile Butadiene Styrene (ABS)		15 Position	Bulk
D-Sub Backshells D-Sub Backshell 15 / 26 HD Position 40 Entry 974-015-020R121 NorComp 1: £6.89 154In Stock	Mfr. Part No. 974-015-020R121 Mouser Part No 636-974-015-020R121	NorComp	D-Sub Backshells D-Sub Backshell 15 / 26 HD Position 40 Entry Learn More about NorComp armor d sub backshells	Datasheet	154In Stock	£6.89 £5.98 £5.60 £5.31 View £4.97 £4.70 £4.49 £4.31 £4.30	Min.: 1 Mult.: 1	Two Piece Backshell	2 (A)	Side Entry	1 Entry	Acrylonitrile Butadiene Styrene (ABS)	Nickel over Copper	15 Position	Bulk
D-Sub Backshells D-Sub Backshell 25 / 44 HD Positions 40 Entry 974-025-010R011 NorComp 1: £4.42 6In Stock 100Expected 09/10/2026	Mfr. Part No. 974-025-010R011 Mouser Part No 636-974-025-010R011	NorComp	D-Sub Backshells D-Sub Backshell 25 / 44 HD Positions 40 Entry Learn More about NorComp armor d sub backshells	Datasheet	6In Stock 100Expected 09/10/2026	£4.42 £3.75 £3.52 £3.35 View £3.19 £2.95 £2.85 £2.71 £2.54	Min.: 1 Mult.: 1	Two Piece Backshell	3 (B)	Side Entry	1 Entry	Acrylonitrile Butadiene Styrene (ABS)		25 Position	Bulk
D-Sub Backshells D-Sub Backshell 37 / 62 HD Positions 40 Entry 974-037-010R011 NorComp 1: £5.96 90In Stock	Mfr. Part No. 974-037-010R011 Mouser Part No 636-974-037-010R011	NorComp	D-Sub Backshells D-Sub Backshell 37 / 62 HD Positions 40 Entry Learn More about NorComp armor d sub backshells	Datasheet	90In Stock	£5.96 £5.07 £4.75 £4.52 View £4.30 £3.98 £3.83 £3.66	Min.: 1 Mult.: 1	Two Piece Backshell	4 (C)	Side Entry	1 Entry	Acrylonitrile Butadiene Styrene (ABS)		37 Position	Bulk
D-Sub Backshells D-Sub Backshell 50 / 78 HD Positions 974-050-010R011 NorComp 1: £6.93 37In Stock	Mfr. Part No. 974-050-010R011 Mouser Part No 636-974-050-010R011	NorComp	D-Sub Backshells D-Sub Backshell 50 / 78 HD Positions Learn More about NorComp armor d sub backshells	Datasheet	37In Stock	£6.93 £6.59 £5.31 £5.23 View £4.14 £4.09 £4.02	Min.: 1 Mult.: 1	Two Piece Backshell	5 (D)	Side Entry	1 Entry	Acrylonitrile Butadiene Styrene (ABS)		50 Position	Bulk
D-Sub Backshells 50P DIE CAST BACKSHELL MULT ENTRY 975M050-030R121 NorComp 1: £27.32 37In Stock	Mfr. Part No. 975M050-030R121 Mouser Part No 636-975M050-030R121	NorComp	D-Sub Backshells 50P DIE CAST BACKSHELL MULT ENTRY Learn More about NorComp armor d sub backshells	Datasheet	37In Stock	£27.32 £23.23 £22.21 £20.47 View £19.74 £18.51	Min.: 1 Mult.: 1	Standard EMI Backshell	5 (D)	Straight	3 Entry	Zinc	Zinc	50 Position
D-Sub Backshells D-Sub Backshell 15 / 26 HD Position 180 Entry 977-015-020R121 NorComp 1: £1.23 615In Stock 2,300On Order	Mfr. Part No. 977-015-020R121 Mouser Part No 636-977-015-020R121	NorComp	D-Sub Backshells D-Sub Backshell 15 / 26 HD Position 180 Entry Learn More about NorComp armor d sub backshells	Datasheet	615In Stock 2,300On Order On Order Ship Dates Mfr. No: 977-015-020R121 Stock: 615 Can Dispatch Immediately On Order: 1,150 Expected 18/12/2026 1,150 Expected 25/01/2027 Factory Lead Time: 20 Weeks	£1.23 £1.06 £0.995 £0.96 View £0.882 £0.826 £0.759 £0.735 £0.712	Min.: 1 Mult.: 1	Two Piece Backshell	2 (A)	Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)	Nickel over Copper	15 Position	Bulk
D-Sub Backshells D-Sub Backshell 37 / 62 HD Positions 180 Entry 977-037-010R031 NorComp 1: £1.35 16In Stock 200On Order	Mfr. Part No. 977-037-010R031 Mouser Part No 636-977-037-010R031	NorComp	D-Sub Backshells D-Sub Backshell 37 / 62 HD Positions 180 Entry Learn More about NorComp armor d sub backshells	Datasheet	16In Stock 200On Order	£1.35 £1.13 £1.07 £1.01 View £0.943 £0.899 £0.849 £0.78 £0.766	Min.: 1 Mult.: 1	Two Piece Backshell	4 (C)	Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)		37 Position	Bulk
D-Sub Backshells D-Sub Backshell 50 / 78 HD Positions 180 Entry 977-050-010R031 NorComp 1: £2.10 231In Stock 250Expected 13/11/2026	Mfr. Part No. 977-050-010R031 Mouser Part No 636-977-050-010R031	NorComp	D-Sub Backshells D-Sub Backshell 50 / 78 HD Positions 180 Entry Learn More about NorComp armor d sub backshells	Datasheet	231In Stock 250Expected 13/11/2026	£2.10 £1.76 £1.68 £1.58 View £1.46 £1.37 £1.27 £1.20 £1.18	Min.: 1 Mult.: 1	Two Piece Backshell	5 (D)	Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)		50 Position	Bulk
D-Sub Backshells D-Sub Backshell 50 / 78 HD Positions 180 Entry 977-050-020R121 NorComp 1: £3.15 396In Stock	Mfr. Part No. 977-050-020R121 Mouser Part No 636-977-050-020R121	NorComp	D-Sub Backshells D-Sub Backshell 50 / 78 HD Positions 180 Entry Learn More about NorComp armor d sub backshells	Datasheet	396In Stock	£3.15 £2.54 £2.41 £2.30 View £2.16 £2.05 £1.85 £1.75 £1.73	Min.: 1 Mult.: 1	Two Piece Backshell	5 (D)	Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)	Chrome	50 Position	Bulk
D-Sub Backshells 9P Top entry grommet metalized plas shel 979-009-020R121 NorComp 1: £2.12 120In Stock 2,600On Order	Mfr. Part No. 979-009-020R121 Mouser Part No 636-979-009-020R121	NorComp	D-Sub Backshells 9P Top entry grommet metalized plas shel Learn More about NorComp armor d sub backshells	Datasheet	120In Stock 2,600On Order On Order Ship Dates Mfr. No: 979-009-020R121 Stock: 120 Can Dispatch Immediately On Order: 1,200 Expected 13/11/2026 1,400 Expected 27/11/2026 Factory Lead Time: 19 Weeks	£2.12 £1.75 £1.65 £1.57 View £1.46 £1.41 £1.28 £1.20 £1.16	Min.: 1 Mult.: 1	Two Piece Backshell	1 (E)	Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)	Nickel over Copper	9 Position	Bulk
D-Sub Backshells 15P Tp entry grommet PLASTIC SHELL GRAY 979-015-010R031 NorComp 1: £1.69 496In Stock 800Expected 25/12/2026	Mfr. Part No. 979-015-010R031 Mouser Part No 636-979-015-010R031	NorComp	D-Sub Backshells 15P Tp entry grommet PLASTIC SHELL GRAY Learn More about NorComp armor d sub backshells	Datasheet	496In Stock 800Expected 25/12/2026	£1.69 £1.36 £1.20 £1.15 View £1.09 £1.00 £0.871 £0.849	Min.: 1 Mult.: 1	Two Piece Backshell	2 (A)	Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)		15 Position	Bulk
D-Sub Backshells 25P Tp entry grommet metalized plas shel 979-025-020R121 NorComp 1: £2.51 290In Stock 300Expected 11/12/2026	Mfr. Part No. 979-025-020R121 Mouser Part No 636-979-025-020R121	NorComp	D-Sub Backshells 25P Tp entry grommet metalized plas shel Learn More about NorComp armor d sub backshells	Datasheet	290In Stock 300Expected 11/12/2026	£2.51 £2.01 £1.90 £1.82 View £1.69 £1.62 £1.53 £1.43 £1.41	Min.: 1 Mult.: 1	Two Piece Backshell	3 (B)	Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)	Nickel over Copper	25 Position	Bulk
D-Sub Backshells 37P Tp entry grommet plastic shell black 979-037-010R031 NorComp 1: £2.92 16In Stock	Mfr. Part No. 979-037-010R031 Mouser Part No 636-979-037-010R031	NorComp	D-Sub Backshells 37P Tp entry grommet plastic shell black Learn More about NorComp armor d sub backshells	Datasheet	16In Stock	£2.92 £2.33 £2.22 £2.10 View £1.97 £1.88 £1.78 £1.67 £1.63	Min.: 1 Mult.: 1	Two Piece Backshell		Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)		37 Position	Bulk
D-Sub Backshells 37P Tp entry grommet metalized plas shel 979-037-020R121 NorComp 1: £4.26 64In Stock	Mfr. Part No. 979-037-020R121 Mouser Part No 636-979-037-020R121	NorComp	D-Sub Backshells 37P Tp entry grommet metalized plas shel Learn More about NorComp armor d sub backshells	Datasheet	64In Stock	£4.26 £3.64 £3.40 £3.25 View £3.08 £2.89 £2.74 £2.55 £2.38	Min.: 1 Mult.: 1	Two Piece Backshell	4 (C)	Straight	1 Entry	Acrylonitrile Butadiene Styrene (ABS)	Nickel over Copper	37 Position	Bulk
D-Sub Backshells D-Sub Backshell 15 / 26 HD Position Right Angle 981-015-030R121 NorComp 1: £6.22 30In Stock 575On Order	Mfr. Part No. 981-015-030R121 Mouser Part No 636-981-015-030R121	NorComp	D-Sub Backshells D-Sub Backshell 15 / 26 HD Position Right Angle Learn More about NorComp armor d sub backshells	Datasheet	30In Stock 575On Order On Order Ship Dates Mfr. No: 981-015-030R121 Stock: 30 Can Dispatch Immediately On Order: 125 Expected 06/11/2026 175 Expected 25/12/2026 275 Expected 13/01/2027 Factory Lead Time: 20 Weeks	£6.22 £5.29 £4.96 £4.71 View £4.49 £4.21 £4.01 £3.93	Min.: 1 Mult.: 1	Strain Relief Backshell	2 (A)	90 deg	1 Entry	Zinc	Nickel over Copper	15 Position
D-Sub Backshells 37P 35D Strain Rlf Die Cast Nickel 953-037-030R121 NorComp 1: £11.83 48In Stock	Mfr. Part No. 953-037-030R121 Mouser Part No 636-953-037-030R121	NorComp	D-Sub Backshells 37P 35D Strain Rlf Die Cast Nickel Learn More about NorComp armor d sub backshells	Datasheet	48In Stock	£11.83 £10.48 £10.08 £9.03 £7.91	Min.: 1 Mult.: 1	Strain Relief Backshell	4 (C)	37.5 deg	1 Entry	Zinc	Nickel	37 Position	Bulk
D-Sub Backshells D-Sub Backshell 50 / 78 HD Positions 974-050-020R121 NorComp 1: £9.78 1In Stock	Mfr. Part No. 974-050-020R121 Mouser Part No 636-974-050-020R121	NorComp	D-Sub Backshells D-Sub Backshell 50 / 78 HD Positions Learn More about NorComp armor d sub backshells	Datasheet	1In Stock	£9.78 £9.31 £8.29 £8.18 View £7.86 £7.59 £7.34	Min.: 1 Mult.: 1	Two Piece Backshell	5 (D)	Side Entry	1 Entry	Acrylonitrile Butadiene Styrene (ABS)	Nickel over Copper	50 Position	Bulk

ARMOR Ruggedized Backshell Systems

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