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4-40 Hardware

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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 RND .250X.375 ALUM 3479 Keystone Electronics 1: £0.453 8,225In Stock	Mfr. Part No. 3479 Mouser Part No 534-3479	Keystone Electronics	Standoffs & Spacers RND .250X.375 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	8,225In Stock	£0.453 £0.355 £0.318 £0.268 View £0.223 £0.201 £0.182 £0.178	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40 SURFACE MOUNT STANDOFF ELECTRO-SOLDER (ES) REEL PEM SMTSO-440-4ES SMTSO-440-4ES PEM 1: £0.736 1,857In Stock	Mfr. Part No. SMTSO-440-4ES Mouser Part No 153-SMTSO-440-4ES	PEM	Standoffs & Spacers 4-40 SURFACE MOUNT STANDOFF ELECTRO-SOLDER (ES) REEL	Datasheet	1,857In Stock	Cut Tape £0.736 £0.547 £0.426 £0.402 Reel £0.341 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Screws & Fasteners PEM KPS6-440-4 KPS6-440-4 PEM 1: £0.555 2,172In Stock	Mfr. Part No. KPS6-440-4 Mouser Part No 153-KPS6-440-4	PEM	Screws & Fasteners	Datasheet	2,172In Stock	£0.555 £0.429 £0.392 £0.345 View £0.32 £0.303 £0.287 £0.278 £0.265	Min.: 1 Mult.: 1
Standoffs & Spacers .375 FEM-FEM 6PC Vicor 20176 20176 Vicor 1: £14.43 10In Stock	Mfr. Part No. 20176 Mouser Part No 492-20176	Vicor	Standoffs & Spacers .375 FEM-FEM 6PC	Datasheet	10In Stock	£14.43 £14.14	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" Alum 4-40 2054T-440-AL-7 RAF Electronic Hardware 1: £0.462 7,918In Stock 1,230Expected 30/11/2026	Mfr. Part No. 2054T-440-AL-7 Mouser Part No 761-2054T-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" Alum 4-40	Datasheet	7,918In Stock 1,230Expected 30/11/2026	£0.462 £0.34 £0.272 £0.244 View £0.239 £0.232 £0.212 £0.203 £0.198	Min.: 1 Mult.: 1
Screws & Fasteners JACK SOCKET KIT 3341-1S 3M Electronic Solutions Division 1: £3.08 4,038In Stock 90,000On Order	Mfr. Part No. 3341-1S Mouser Part No 517-3341-1S	3M Electronic Solutions Division	Screws & Fasteners JACK SOCKET KIT	Datasheet	4,038In Stock 90,000On Order On Order Ship Dates Mfr. No: 3341-1S Stock: 4,038 Can Dispatch Immediately On Order: 1,500 Pending 9,300 Expected 02/11/2026 79,200 Expected 20/11/2026 Factory Lead Time: 19 Weeks	£3.08 £2.45 £2.27 £2.03 View £1.89 £1.80 £1.72 £1.49 £1.48	Min.: 1 Mult.: 1
Screws & Fasteners PEM KPS6-440-16 KPS6-440-16 PEM 1: £0.917 2,335In Stock	Mfr. Part No. KPS6-440-16 Mouser Part No 153-KPS6-440-16	PEM	Screws & Fasteners	Datasheet	2,335In Stock	£0.917 £0.718 £0.657 £0.581 View £0.539 £0.512 £0.486 £0.47 £0.452	Min.: 1 Mult.: 1
Standoffs & Spacers 3/8 LNGTH 4-40 ML/FML HEX STANDOFF 4532-440-N RAF Electronic Hardware 1: £0.481 29,730In Stock	Mfr. Part No. 4532-440-N Mouser Part No 761-4532-440-N	RAF Electronic Hardware	Standoffs & Spacers 3/8 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	29,730In Stock	£0.481 £0.382 £0.326 £0.268 View £0.245 £0.244	Min.: 1 Mult.: 1
Standoffs & Spacers RND .250X.750 ALUM 3481 Keystone Electronics 1: £0.437 5,953In Stock	Mfr. Part No. 3481 Mouser Part No 534-3481	Keystone Electronics	Standoffs & Spacers RND .250X.750 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	5,953In Stock	£0.437 £0.347 £0.325 £0.299 View £0.298 £0.277 £0.223 £0.21 £0.209	Min.: 1 Mult.: 1
Mounting Fixings FLOATER,ASSEMBLY,LOCKING,416SS LA4-440-1MD PEM 1: £1.81 885In Stock	Mfr. Part No. LA4-440-1MD Mouser Part No 153-LA4-440-1MD	PEM	Mounting Fixings FLOATER,ASSEMBLY,LOCKING,416SS	Datasheet	885In Stock	£1.81 £1.68 £1.49 £1.41 View £1.36 £1.31 £1.26 £1.21 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 4/40 3/4 HEX STDOFF 1902D Keystone Electronics 1: £0.616 21,819In Stock	Mfr. Part No. 1902D Mouser Part No 534-1902D	Keystone Electronics	Standoffs & Spacers 4/40 3/4 HEX STDOFF Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	21,819In Stock	£0.616 £0.484 £0.458 £0.41 View £0.345 £0.279 £0.26 £0.233	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 3/8in 3/16in Round FEM Standoff 1635-440-SS RAF Electronic Hardware 1: £1.11 2,370In Stock 11Expected 25/12/2026	Mfr. Part No. 1635-440-SS Mouser Part No 761-1635-440-SS	RAF Electronic Hardware	Standoffs & Spacers SS 4-40 3/8in 3/16in Round FEM Standoff	Datasheet	2,370In Stock 11Expected 25/12/2026	£1.11 £0.832 £0.647 £0.61 View £0.574 £0.552 £0.537 £0.524 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers M/F NYLON STANDOFF 4-40 .375 L 4941 Keystone Electronics 1: £0.616 13,351In Stock	Mfr. Part No. 4941 Mouser Part No 534-4941	Keystone Electronics	Standoffs & Spacers M/F NYLON STANDOFF 4-40 .375 L Learn More about Keystone Electronics keystone extreme temp standoffs	Datasheet	13,351In Stock	£0.616 £0.481 £0.433 £0.405 View £0.395 £0.361 £0.271 £0.26 £0.258	Min.: 1 Mult.: 1
Screws & Fasteners 1/2 LNGTH 5/16 DIA 4-40 THRD CAP SCREW 0380-SS RAF Electronic Hardware 1: £2.16 1,452In Stock	Mfr. Part No. 0380-SS Mouser Part No 761-0380-SS	RAF Electronic Hardware	Screws & Fasteners 1/2 LNGTH 5/16 DIA 4-40 THRD CAP SCREW	Datasheet	1,452In Stock	£2.16 £1.80 £1.66 £1.43 View £1.28 £1.23 £1.19	Min.: 1 Mult.: 1
Screws & Fasteners Binder Combination Screw, #4-40 Thread, 9/32 Lg 010440CD028 Essentra 1: £0.09 2,313In Stock	Mfr. Part No. 010440CD028 Mouser Part No 144-010440CD028	Essentra	Screws & Fasteners Binder Combination Screw, #4-40 Thread, 9/32 Lg Learn More about Essentra 01cd combo binder head screws	Datasheet	2,313In Stock	£0.09 £0.067 £0.06 £0.052 View £0.047 £0.045 £0.04 £0.038 £0.03	Min.: 1 Mult.: 1
Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 1 1/4 Lg 010440T125 Essentra 1: £0.098 8,831In Stock	Mfr. Part No. 010440T125 Mouser Part No 144-010440T125	Essentra	Screws & Fasteners Set Screw, Socket Head, #4-40 Thread, 1 1/4 Lg	Datasheet	8,831In Stock	£0.098 £0.072 £0.064 £0.055 View £0.051 £0.047 £0.044 £0.042	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" SS 4-40 2054T-440-SS RAF Electronic Hardware 1: £1.03 232In Stock	Mfr. Part No. 2054T-440-SS Mouser Part No 761-2054T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" SS 4-40	Datasheet	232In Stock	£1.03 £0.77 £0.60 £0.565 View £0.531 £0.511 £0.497 £0.485 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF 2098-440-SS RAF Electronic Hardware 1: £0.908 108In Stock	Mfr. Part No. 2098-440-SS Mouser Part No 761-2098-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/8 LNGTH 4-40 STD FML HEX STANDOFF	Datasheet	108In Stock	£0.908 £0.679 £0.551 £0.498 View £0.468 £0.45 £0.437 £0.436 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 HEX M/F STDOFF 15/16" 4-40 SS 4512-440-SS RAF Electronic Hardware 1: £1.64 190In Stock	Mfr. Part No. 4512-440-SS Mouser Part No 761-4512-440-SS	RAF Electronic Hardware	Standoffs & Spacers 3/16 HEX M/F STDOFF 15/16" 4-40 SS	Datasheet	190In Stock	£1.64 £1.62 £1.56 £1.54 View £1.53 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 1-3/16" 4-40 AL CLR 4545-440-AL-7 RAF Electronic Hardware 1: £1.90 5In Stock 124On Order	Mfr. Part No. 4545-440-AL-7 Mouser Part No 761-4545-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 1-3/16" 4-40 AL CLR	Datasheet	5In Stock 124On Order	£1.90 £1.42 £1.10 £1.04 View £0.978 £0.943 £0.917 £0.899 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2701 APM HEXSEAL 1: £0.548 3,957In Stock	Mfr. Part No. SFR4-40 x 3/8 2701 Mouser Part No 608-SFR4-40X3-82701	APM HEXSEAL	Screws & Fasteners		3,957In Stock	£0.548 £0.425 £0.409 £0.318 £0.303	Min.: 1 Mult.: 1
Standoffs & Spacers AL 4-40 1/8in 1/4in Round FEM Standoff 1678-440-AL RAF Electronic Hardware 1: £0.632 297In Stock	Mfr. Part No. 1678-440-AL Mouser Part No 761-1678-440-AL	RAF Electronic Hardware	Standoffs & Spacers AL 4-40 1/8in 1/4in Round FEM Standoff	Datasheet	297In Stock	£0.632 £0.459 £0.367 £0.33 View £0.323 £0.314 £0.286 £0.275 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers RND ML/FML STDOFF AL 3/16" 4-40 .600" L 4000-440-ALMODL=.600 RAF Electronic Hardware 1: £0.858 349In Stock	Mfr. Part No. 4000-440-ALMODL=.600 Mouser Part No 761-4000-440-AL-600	RAF Electronic Hardware	Standoffs & Spacers RND ML/FML STDOFF AL 3/16" 4-40 .600" L		349In Stock	£0.858 £0.646 £0.503 £0.473 View £0.445 £0.428 £0.416 £0.408 £0.402	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 7/32" 4-40 AL CLR 4530A-440-AL-7 RAF Electronic Hardware 1: £0.858 218In Stock	Mfr. Part No. 4530A-440-AL-7 Mouser Part No 761-4530A-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 7/32" 4-40 AL CLR	Datasheet	218In Stock	£0.858 £0.64 £0.498 £0.47 View £0.441 £0.425 £0.413 £0.403 £0.399	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 11/32" 4-40 SS 4531T-440-SS RAF Electronic Hardware 1: £1.80 110In Stock	Mfr. Part No. 4531T-440-SS Mouser Part No 761-4531T-440-SS	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 11/32" 4-40 SS	Datasheet	110In Stock	£1.80 £1.34 £1.05 £0.978 View £0.925 £0.89 £0.87 £0.849 Quote	Min.: 1 Mult.: 1

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