4-40 – Mouser United Kingdom

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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.
Standoffs & Spacers 1/4 HEX M/F STDOFF 11/32" 4-40 NYL 4531T-440-N RAF Electronic Hardware 1: £1.80 85In Stock	Mfr. Part No. 4531T-440-N Mouser Part No 761-4531T-440-N	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 11/32" 4-40 NYL	Datasheet	85In Stock	£1.80 £1.66 £1.48 £1.40 View £1.34 £1.30 £1.29 £1.27 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 11/16 LNGTH 4-40 ML/FML HEX STANDOFF 4537-440-N RAF Electronic Hardware 1: £4.09 111In Stock	Mfr. Part No. 4537-440-N Mouser Part No 761-4537-440-N	RAF Electronic Hardware	Standoffs & Spacers 11/16 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	111In Stock	£4.09 £2.23 £1.76 £1.68 View £1.67 £1.65 Quote	Min.: 1 Mult.: 1
Screws & Fasteners 7/16 LNGTH 5/16 DIA PLAIN THUMB SCREW 7122-SS RAF Electronic Hardware 1: £1.67 4In Stock	Mfr. Part No. 7122-SS Mouser Part No 761-7122-SS	RAF Electronic Hardware	Screws & Fasteners 7/16 LNGTH 5/16 DIA PLAIN THUMB SCREW	Datasheet	4In Stock	£1.67 £1.31 £1.20 £1.07 View £0.986 £0.943 £0.908 £0.859 £0.829	Min.: 1 Mult.: 1
Standoffs & Spacers SWAGE THREAD STDOFF .140"L BRASS 4-40 1790-3 Keystone Electronics 1: £0.616 244In Stock	Mfr. Part No. 1790-3 Mouser Part No 534-1790-3	Keystone Electronics	Standoffs & Spacers SWAGE THREAD STDOFF .140"L BRASS 4-40	Datasheet	244In Stock	£0.616 £0.472 £0.449 £0.402 View £0.388 £0.315 £0.292 £0.286	Min.: 1 Mult.: 1
Standoffs & Spacers PC 104 MOUNTING KIT NYLON PC104-NY Keystone Electronics 1: £4.30 32In Stock	Mfr. Part No. PC104-NY Mouser Part No 534-PC104-NY	Keystone Electronics	Standoffs & Spacers PC 104 MOUNTING KIT NYLON	Datasheet	32In Stock	£4.30 £3.54 £3.32 £3.02 View £2.57 £2.19 £2.03	Min.: 1 Mult.: 1
Screws & Fasteners 15/16 LNGTH 11/64DIA 4-40 THRD CAP SCREW 0828-SS RAF Electronic Hardware 1: £2.51 10In Stock 130Expected 02/11/2026	Mfr. Part No. 0828-SS Mouser Part No 761-0828-SS	RAF Electronic Hardware	Screws & Fasteners 15/16 LNGTH 11/64DIA 4-40 THRD CAP SCREW	Datasheet	10In Stock 130Expected 02/11/2026	£2.51 £1.90 £1.75 £1.56 View £1.46 £1.39 £1.34 £1.30 £1.26	Min.: 1 Mult.: 1
Standoffs & Spacers AL 4-40 7/8in 3/16in Round FEM Standoff 1643-440-AL RAF Electronic Hardware 1: £0.707 379In Stock	Mfr. Part No. 1643-440-AL Mouser Part No 761-1643-440-AL	RAF Electronic Hardware	Standoffs & Spacers AL 4-40 7/8in 3/16in Round FEM Standoff	Datasheet	379In Stock	£0.707 £0.518 £0.414 £0.373 View £0.364 £0.354 £0.322 £0.31 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers AL 4-40 5/16in 1/4in Round FEM Standoff 1681-440-AL RAF Electronic Hardware 1: £0.717 402In Stock	Mfr. Part No. 1681-440-AL Mouser Part No 761-1681-440-AL	RAF Electronic Hardware	Standoffs & Spacers AL 4-40 5/16in 1/4in Round FEM Standoff	Datasheet	402In Stock	£0.717 £0.524 £0.419 £0.376 View £0.368 £0.358 £0.327 £0.314 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF 2051-440-SS RAF Electronic Hardware 1: £1.07 434In Stock	Mfr. Part No. 2051-440-SS Mouser Part No 761-2051-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF	Datasheet	434In Stock	£1.07 £0.528 £0.453 £0.426 View £0.42 £0.415 £0.412	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 13/16in HEX FEM Standoff 2062-440-SS RAF Electronic Hardware 1: £3.61 13In Stock	Mfr. Part No. 2062-440-SS Mouser Part No 761-2062-440-SS	RAF Electronic Hardware	Standoffs & Spacers SS 4-40 13/16in HEX FEM Standoff	Datasheet	13In Stock	£3.61 £3.33 £2.80 £2.63 View £2.60 £2.50 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Hex Fem Stdoff 7/32" SS 4-40 2099T-440-SS RAF Electronic Hardware 1: £1.44 38In Stock	Mfr. Part No. 2099T-440-SS Mouser Part No 761-2099T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/4 Hex Fem Stdoff 7/32" SS 4-40	Datasheet	38In Stock	£1.44 £1.07 £0.841 £0.782 View £0.711 £0.693 £0.669 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STEEL 4-40 11/16in HEX ML/FEM Standoff 4508-440-S-12 RAF Electronic Hardware 1: £1.03 475In Stock	Mfr. Part No. 4508-440-S-12 Mouser Part No 761-4508-440-S-12	RAF Electronic Hardware	Standoffs & Spacers STEEL 4-40 11/16in HEX ML/FEM Standoff	Datasheet	475In Stock	£1.03 £0.767 £0.598 £0.563 View £0.529 £0.509 £0.495 £0.484 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 1-1/16" 4-40 SS 4535T-440-SS RAF Electronic Hardware 1: £2.11 159In Stock	Mfr. Part No. 4535T-440-SS Mouser Part No 761-4535T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 1-1/16" 4-40 SS	Datasheet	159In Stock	£2.11 £1.57 £1.22 £1.15 View £1.08 £1.04 £1.01 £0.986 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 1-3/16" 4-40 SS 4538T-440-SS RAF Electronic Hardware 1: £2.85 8In Stock	Mfr. Part No. 4538T-440-SS Mouser Part No 761-4538T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 1-3/16" 4-40 SS	Datasheet	8In Stock	£2.85 £2.64 £2.35 £2.21 View £2.14 £2.07 £2.04 £2.02 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 RD FM S/O 7/16 4-40 NYLON 1636-440-N RAF Electronic Hardware 1: £1.75 685In Stock	Mfr. Part No. 1636-440-N Mouser Part No 761-1636-440-N	RAF Electronic Hardware	Standoffs & Spacers 3/16 RD FM S/O 7/16 4-40 NYLON	Datasheet	685In Stock	£1.75 £1.66 £0.698 £0.611 View £0.593 £0.58 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex Fem Stdoff 23/32" SS 4-40 2060T-440-SS RAF Electronic Hardware 1: £1.41 375In Stock	Mfr. Part No. 2060T-440-SS Mouser Part No 761-2060T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex Fem Stdoff 23/32" SS 4-40	Datasheet	375In Stock	£1.41 £1.06 £0.822 £0.775 View £0.728 £0.70 £0.681 £0.665 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Hex Fem Stdoff 19/32" Alum 4-40 2105T-440-AL-7 RAF Electronic Hardware 1: £1.01 276In Stock	Mfr. Part No. 2105T-440-AL-7 Mouser Part No 761-2105T-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/4 Hex Fem Stdoff 19/32" Alum 4-40	Datasheet	276In Stock	£1.01 £0.754 £0.587 £0.553 View £0.519 £0.499 £0.486 £0.475 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Hex Fem Stdoff 25/32" NYL 4-40 2108T-440-N RAF Electronic Hardware 1: £1.85 80In Stock	Mfr. Part No. 2108T-440-N Mouser Part No 761-2108T-440-N	RAF Electronic Hardware	Standoffs & Spacers 1/4 Hex Fem Stdoff 25/32" NYL 4-40	Datasheet	80In Stock	£1.85 £1.70 £1.53 £1.43 View £1.39 £1.34 £1.33 £1.31 Quote	Min.: 1 Mult.: 1
Screws & Fasteners (Made In USA) Straight Heat-Set Threaded Insert, 4-40 Thread Size, 0.135" Installed Length, Brass 440X135C RAF Electronic Hardware 1: £0.387 92In Stock	Mfr. Part No. 440X135C Mouser Part No 761-440X135C	RAF Electronic Hardware	Screws & Fasteners (Made In USA) Straight Heat-Set Threaded Insert, 4-40 Thread Size, 0.135" Installed Length, Brass	Datasheet	92In Stock	£0.387 £0.287 £0.261 £0.228 View £0.19 £0.184 £0.177 £0.158 £0.153	Min.: 1 Mult.: 1
Screws & Fasteners (Made In USA) Straight Heat-Set Threaded Insert, 4-40 Thread Size, 0.17" Installed Length, Brass 440X170C RAF Electronic Hardware 1: £0.424 436In Stock	Mfr. Part No. 440X170C Mouser Part No 761-440X170C	RAF Electronic Hardware	Screws & Fasteners (Made In USA) Straight Heat-Set Threaded Insert, 4-40 Thread Size, 0.17" Installed Length, Brass	Datasheet	436In Stock	£0.424 £0.316 £0.286 £0.251 View £0.231 £0.203 £0.18 £0.174 £0.168	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 17/32" 4-40 AL CLR 4534T-440-AL-7 RAF Electronic Hardware 1: £1.96 165In Stock	Mfr. Part No. 4534T-440-AL-7 Mouser Part No 761-4534T-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 17/32" 4-40 AL CLR	Datasheet	165In Stock	£1.96 £1.46 £1.13 £1.07 View £1.01 £0.969 £0.943 £0.925 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 5/16 HEX M/F STDOFF 1/4 4-40 SS 4571-440-SS RAF Electronic Hardware 1: £1.79 297In Stock	Mfr. Part No. 4571-440-SS Mouser Part No 761-4571-440-SS	RAF Electronic Hardware	Standoffs & Spacers 5/16 HEX M/F STDOFF 1/4 4-40 SS	Datasheet	297In Stock	£1.79 £0.801 £0.753 £0.725 View £0.705 £0.688 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers RND .250X.250 ZBRASS 1547A Keystone Electronics 1: £0.565 3,440In Stock	Mfr. Part No. 1547A Mouser Part No 534-1547A	Keystone Electronics	Standoffs & Spacers RND .250X.250 ZBRASS Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	3,440In Stock	£0.565 £0.432 £0.409 £0.367 View £0.309 £0.251 £0.233 £0.228	Min.: 1 Mult.: 1
Standoffs & Spacers RND .250X.500 ZBRASS 1547C Keystone Electronics 1: £0.77 1,683In Stock	Mfr. Part No. 1547C Mouser Part No 534-1547C	Keystone Electronics	Standoffs & Spacers RND .250X.500 ZBRASS Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	1,683In Stock	£0.77 £0.639 £0.625 £0.599 View £0.547 £0.498 £0.425 £0.383 £0.368	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Rd X 1/4 Length Round Swage Standoff 3047-B-440-B-12 RAF Electronic Hardware 1: £0.566 2,686In Stock	Mfr. Part No. 3047-B-440-B-12 Mouser Part No 761-3047-B-440-B-12	RAF Electronic Hardware	Standoffs & Spacers 1/4 Rd X 1/4 Length Round Swage Standoff	Datasheet	2,686In Stock	£0.566 £0.455 £0.351 £0.326 View £0.302 £0.299 Quote	Min.: 1 Mult.: 1