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.
Screws & Fasteners RNUT 4-40 STL T-SERIES CAD SOLD PER BAG CAT2-0440-50L Sherex 1: £25.10 8In Stock New Product	Mfr. Part No. CAT2-0440-50L Mouser Part No 153-CAT2-0440-50L New Product	Sherex	Screws & Fasteners RNUT 4-40 STL T-SERIES CAD SOLD PER BAG	Datasheet	8In Stock	£25.10 £21.33 £20.17 £18.62 View £17.99 £17.22 £16.31 £15.71 Quote	Min.: 1 Mult.: 1
Mounting Fixings NUT,BROACHING,STEEL,NO H.T. KF2-440-ET PEM 1: £0.225 138,979In Stock	Mfr. Part No. KF2-440-ET Mouser Part No 153-KF2-440-ET	PEM	Mounting Fixings NUT,BROACHING,STEEL,NO H.T. Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	138,979In Stock	£0.225 £0.164 £0.132 £0.119 View £0.11 £0.107 £0.10 £0.099 £0.095	Min.: 1 Mult.: 1
Mounting Fixings NUT, BROACHING, STAINLESS KFS2-440 PEM 1: £0.48 130,025In Stock 88,000Expected 21/10/2026	Mfr. Part No. KFS2-440 Mouser Part No 153-KFS2-440	PEM	Mounting Fixings NUT, BROACHING, STAINLESS Learn More about PEM kf2 kfs2 broaching nuts	Datasheet	130,025In Stock 88,000Expected 21/10/2026	£0.48 £0.346 £0.277 £0.25 View £0.231 £0.225 £0.212 £0.207 £0.201	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-2ET PEM 1: £0.638 87,214In Stock 105,000Expected 06/11/2026	Mfr. Part No. SMTSO-440-2ET Mouser Part No 153-SMTSO-440-2ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	87,214In Stock 105,000Expected 06/11/2026	Cut Tape £0.638 £0.481 £0.375 £0.353 Reel £0.333 View £0.346 £0.322 £0.311 £0.306 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-440-12ET PEM 1: £0.952 74,304In Stock 81,300On Order	Mfr. Part No. SMTSO-440-12ET Mouser Part No 153-SMTSO-440-12ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	74,304In Stock 81,300On Order On Order Ship Dates Mfr. No: SMTSO-440-12ET Stock: 74,304 Can Dispatch Immediately On Order: 300 Pending 81,000 Expected 06/11/2026 Factory Lead Time: 13 Weeks	Cut Tape £0.952 £0.713 £0.555 Reel £0.523 £0.512 View £0.495 £0.478 £0.46 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-4ET PEM 1: £0.818 78,865In Stock	Mfr. Part No. SMTSO-440-4ET Mouser Part No 153-SMTSO-440-4ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	78,865In Stock	Cut Tape £0.818 £0.612 £0.476 £0.449 Reel £0.439 View £0.424 £0.41 £0.395 £0.388 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES 19132 Vicor 1: £79.15 752In Stock	Mfr. Part No. 19132 Mouser Part No 492-19132	Vicor	Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES	Datasheet	752In Stock	£79.15 £65.51	Min.: 1 Mult.: 1
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-8ET PEM 1: £0.978 43,677In Stock 59,800Expected 04/11/2026	Mfr. Part No. SMTSO-440-8ET Mouser Part No 153-SMTSO-440-8ET	PEM	Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 Learn More about PEM smtso reelfast nuts spacers standoffs	Datasheet	43,677In Stock 59,800Expected 04/11/2026	Cut Tape £0.978 £0.732 £0.569 Reel £0.537 £0.525 View £0.507 £0.491 £0.472 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-0715-01-01-02-N Samtec 1: £1.51 4,438In Stock	Mfr. Part No. SO-0715-01-01-02-N Mouser Part No 200-SO0715010102N	Samtec	Standoffs & Spacers SureWare Precision Board Stacking Standoff		4,438In Stock	£1.51 £1.14	Min.: 1 Mult.: 1
Standoffs & Spacers SUREWARE STANDOFF SO-0165-04-01-02 Samtec 1: £2.43 2,641In Stock	Mfr. Part No. SO-0165-04-01-02 Mouser Part No 200-SO0165040102	Samtec	Standoffs & Spacers SUREWARE STANDOFF		2,641In Stock	£2.43 £2.01 £1.82 £1.68 View £1.33 £1.26	Min.: 1 Mult.: 1
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-1015-03-01-01 Samtec 1: £1.90 2,925In Stock	Mfr. Part No. SO-1015-03-01-01 Mouser Part No 200-SO1015030101	Samtec	Standoffs & Spacers SureWare Precision Board Stacking Standoff		2,925In Stock	£1.90 £1.63	Min.: 1 Mult.: 1
D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .350" 5229996-3 TE Connectivity / AMP 1: £0.165 19,895In Stock	Mfr. Part No. 5229996-3 Mouser Part No 571-5229996-3	TE Connectivity / AMP	D-Sub Tools & Hardware 4-40 PAN HEAD SCREW length .350"	Datasheet	19,895In Stock	£0.165 £0.148 £0.134 £0.129 View £0.12 £0.112 £0.102 £0.098 £0.086	Min.: 1 Mult.: 1
Standoffs & Spacers R44 4-40 UNC x 10mm BRASS 5mm A/F R44-1001202 Harwin 1: £0.292 9,323In Stock	Mfr. Part No. R44-1001202 Mouser Part No 855-R44-1001202	Harwin	Standoffs & Spacers R44 4-40 UNC x 10mm BRASS 5mm A/F Learn More about Harwin hexagonal clearance spacers	Datasheet	9,323In Stock	£0.292 £0.244 £0.218 £0.21 View £0.207 £0.197 £0.185 £0.178 £0.173	Min.: 1 Mult.: 1
Mounting Fixings NUT, MINILOCK FEO-440-MD PEM 1: £0.728 6,703In Stock	Mfr. Part No. FEO-440-MD Mouser Part No 153-FEO-440-MD	PEM	Mounting Fixings NUT, MINILOCK	Datasheet	6,703In Stock	£0.728 £0.517 £0.414 £0.373 View £0.316 £0.309 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers .420 MAL-FEM 6PCS 18159 Vicor 1: £9.11 197In Stock	Mfr. Part No. 18159 Mouser Part No 492-18159	Vicor	Standoffs & Spacers .420 MAL-FEM 6PCS	Datasheet	197In Stock	£9.11	Min.: 1 Mult.: 1
Mounting Fixings FLOATER, ASSY, STAINLESS,NL AC-440-1 PEM 1: £1.65 4,893In Stock	Mfr. Part No. AC-440-1 Mouser Part No 153-AC-440-1	PEM	Mounting Fixings FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4,893In Stock	£1.65 £1.24 £0.96 £0.908 View £0.882 £0.849 £0.818 £0.796 Quote	Min.: 1 Mult.: 1
Mounting Fixings FLOATER, ASSY, STAINLESS,NL AC-440-2 PEM 1: £1.66 4,943In Stock	Mfr. Part No. AC-440-2 Mouser Part No 153-AC-440-2	PEM	Mounting Fixings FLOATER, ASSY, STAINLESS,NL Learn More about PEM a4 ac as floating fasteners	Datasheet	4,943In Stock	£1.66 £1.24 £0.969 £0.908 View £0.882 £0.856 £0.826 £0.796 Quote	Min.: 1 Mult.: 1
Mounting Fixings HI-TORQUE INSERT, BRASS IUTFB-440 SI 1: £0.361 9,989In Stock	Mfr. Part No. IUTFB-440 Mouser Part No 153-IUTFB-440	SI	Mounting Fixings HI-TORQUE INSERT, BRASS Learn More about SI standard inserts ultrasonic heat staking inserts	Datasheet	9,989In Stock	£0.361 £0.253 £0.203 £0.182 View £0.167 £0.164 £0.155 £0.152 £0.147	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-440-4 PEM 1: £0.586 10,083In Stock	Mfr. Part No. SOS-440-4 Mouser Part No 153-SOS-440-4	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	10,083In Stock	£0.586 £0.412 £0.33 £0.298 View £0.276 £0.268 £0.252 £0.247 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-440-6 PEM 1: £0.593 8,728In Stock	Mfr. Part No. SOS-440-6 Mouser Part No 153-SOS-440-6	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	8,728In Stock	£0.593 £0.418 £0.335 £0.302 View £0.279 £0.272 £0.256 £0.251 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers STANDOFF, STAINLESS SOS-6440-10 PEM 1: £0.713 10,284In Stock	Mfr. Part No. SOS-6440-10 Mouser Part No 153-SOS-6440-10	PEM	Standoffs & Spacers STANDOFF, STAINLESS Learn More about PEM so sos standoffs	Datasheet	10,284In Stock	£0.713 £0.528 £0.41 £0.388 View £0.378 £0.366 £0.353 £0.34 £0.335	Min.: 1 Mult.: 1
Mounting Fixings NUT, MINI, NL FEX-440 PEM 1: £0.533 9,550In Stock	Mfr. Part No. FEX-440 Mouser Part No 153-FEX-440	PEM	Mounting Fixings NUT, MINI, NL	Datasheet	9,550In Stock	£0.533 £0.377 £0.302 £0.272 View £0.251 £0.244 £0.23 £0.226 Quote	Min.: 1 Mult.: 1
Mounting Fixings PF52-440-0CN PEM 1: £2.14 5,008In Stock	Mfr. Part No. PF52-440-0CN Mouser Part No 153-PF52-440-0CN	PEM	Mounting Fixings	Datasheet	5,008In Stock	£2.14 £1.98 £1.77 £1.67 View £1.60 £1.55 £1.49 £1.44 Quote	Min.: 1 Mult.: 1
D-Sub Tools & Hardware SCRW RETAINER KIT 5746881-2 TE Connectivity / AMP 1: £1.73 10,000In Stock	Mfr. Part No. 5746881-2 Mouser Part No 571-5746881-2	TE Connectivity / AMP	D-Sub Tools & Hardware SCRW RETAINER KIT	Datasheet	10,000In Stock	£1.73 £1.51 £1.34 £1.28 View £1.20 £1.15 £1.08 £1.00 £0.871	Min.: 1 Mult.: 1
Mounting Fixings STUD, BROACHING, PHOS BRONZE KFH-440-5ET PEM 1: £0.217 14,086In Stock 25,000On Order	Mfr. Part No. KFH-440-5ET Mouser Part No 153-KFH-440-5ET	PEM	Mounting Fixings STUD, BROACHING, PHOS BRONZE Learn More about PEM kfh broaching studs	Datasheet	14,086In Stock 25,000On Order On Order Ship Dates Mfr. No: KFH-440-5ET Stock: 14,086 Can Dispatch Immediately On Order: 9,000 Pending 16,000 Expected 10/03/2027 Factory Lead Time: 20 Weeks	£0.217 £0.155 £0.125 £0.112 View £0.104 £0.101 £0.095 £0.093 £0.09	Min.: 1 Mult.: 1