4-40 – Mouser South Africa

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Mounting Fixings MOLD-IN INSERT, BLIND, BRASS IBB-440-10 SI 1: $0.57 5,343In Stock	Mfr. Part No. IBB-440-10 Mouser Part No 153-IBB-440-10	SI	Mounting Fixings MOLD-IN INSERT, BLIND, BRASS Learn More about SI molded in inserts	Datasheet	5,343In Stock	$0.57 $0.398 $0.319 $0.287 View $0.266 $0.258 $0.244 $0.238 $0.23	Min.: 1 Mult.: 1
Standoffs & Spacers STDOFF.453 M FLOG 20189 Vicor 1: $175.54 6In Stock	Mfr. Part No. 20189 Mouser Part No 492-20189	Vicor	Standoffs & Spacers STDOFF.453 M FLOG	Datasheet	6In Stock	$175.54	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 SFR4-40X5/16 2701 APM HEXSEAL 1: $0.88 4,243In Stock	Mfr. Part No. SFR4-40X5/16 2701 Mouser Part No 608-SFR440X5162701	APM HEXSEAL	Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 Learn More about APM HEXSEAL self sealing hardware		4,243In Stock	$0.88 $0.676 $0.615 $0.542 View $0.526 $0.471 $0.461	Min.: 1 Mult.: 1
Standoffs & Spacers RND .250X.375 ALUM 3479 Keystone Electronics 1: $0.593 8,265In 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	8,265In Stock	$0.593 $0.473 $0.423 $0.357 View $0.298 $0.263 $0.24 $0.237	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG R4-40X3/16 2701 APM HEXSEAL 1: $0.88 7,911In Stock	Mfr. Part No. R4-40X3/16 2701 Mouser Part No 608-R4-40X3/162701	APM HEXSEAL	Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG		7,911In Stock	$0.88 $0.697 $0.59 $0.542 View $0.501 $0.476 $0.451 $0.438 $0.418	Min.: 1 Mult.: 1
Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw R4-40X5/16 2615 APM HEXSEAL 1: $0.99 6,150In Stock	Mfr. Part No. R4-40X5/16 2615 Mouser Part No 608-R4-40X5/162615	APM HEXSEAL	Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	6,150In Stock	$0.99 $0.776 $0.709 $0.627 View $0.583 $0.552 $0.526 $0.508 $0.488	Min.: 1 Mult.: 1
Standoffs & Spacers HEX .250X2.00 ALUM 2207 Keystone Electronics 1: $1.92 7,112In Stock	Mfr. Part No. 2207 Mouser Part No 534-2207	Keystone Electronics	Standoffs & Spacers HEX .250X2.00 ALUM Learn More about Keystone Electronics keystone female threaded standoffs	Datasheet	7,112In Stock	$1.92 $1.54 $1.49 $1.45 View $1.22 $0.912 $0.843 $0.752	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40 X .187 STDOFF 2263-2 Keystone Electronics 1: $1.05 6,226In Stock	Mfr. Part No. 2263-2 Mouser Part No 534-2263-2	Keystone Electronics	Standoffs & Spacers 4-40 X .187 STDOFF	Datasheet	6,226In Stock	$1.05 $0.814 $0.729 $0.704 View $0.599 $0.472 $0.438 $0.429	Min.: 1 Mult.: 1
Screws & Fasteners PEM KPS6-440-4 KPS6-440-4 PEM 1: $0.74 2,172In Stock	Mfr. Part No. KPS6-440-4 Mouser Part No 153-KPS6-440-4	PEM	Screws & Fasteners	Datasheet	2,172In Stock	$0.74 $0.571 $0.522 $0.459 View $0.426 $0.404 $0.383 $0.371 $0.354	Min.: 1 Mult.: 1
Standoffs & Spacers .375 FEM-FEM 6PC Vicor 20176 20176 Vicor 1: $19.22 10In Stock	Mfr. Part No. 20176 Mouser Part No 492-20176	Vicor	Standoffs & Spacers .375 FEM-FEM 6PC	Datasheet	10In Stock	$19.22 $18.84	Min.: 1 Mult.: 1
Standoffs & Spacers 4-40 SURFACE MOUNT STANDOFF ELECTRO-SOLDER (ES) REEL PEM SMTSO-440-4ES SMTSO-440-4ES PEM 1: $0.98 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 $0.98 $0.729 $0.568 $0.535 Reel $0.455 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Screws & Fasteners 1/2 LNGTH 5/16 DIA 4-40 THRD CAP SCREW 0380-SS RAF Electronic Hardware 1: $2.87 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	$2.87 $2.40 $2.21 $1.91 View $1.71 $1.64 $1.58	Min.: 1 Mult.: 1
Screws & Fasteners PEM KPS6-440-16 KPS6-440-16 PEM 1: $1.22 2,335In Stock	Mfr. Part No. KPS6-440-16 Mouser Part No 153-KPS6-440-16	PEM	Screws & Fasteners	Datasheet	2,335In Stock	$1.22 $0.957 $0.876 $0.775 View $0.718 $0.683 $0.648 $0.626 $0.602	Min.: 1 Mult.: 1
Standoffs & Spacers AL 1.000 M/F THRD 8405 Keystone Electronics 1: $0.935 8,271In Stock	Mfr. Part No. 8405 Mouser Part No 534-8405	Keystone Electronics	Standoffs & Spacers AL 1.000 M/F THRD Learn More about Keystone Electronics keystone mf threaded standoffs	Datasheet	8,271In Stock	$0.935 $0.519 $0.393 $0.379	Min.: 1 Mult.: 1
Standoffs & Spacers SS 4-40 3/8in 3/16in Round FEM Standoff 1635-440-SS RAF Electronic Hardware 1: $1.48 2,370In Stock 11Expected 2026/12/25	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 2026/12/25	$1.48 $1.11 $0.862 $0.813 View $0.764 $0.735 $0.715 $0.698 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 3/16 Hex Fem Stdoff 11/32" Alum 4-40 2054T-440-AL-7 RAF Electronic Hardware 1: $0.615 7,918In Stock 1,230Expected 2026/11/30	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 2026/11/30	$0.615 $0.452 $0.362 $0.326 View $0.319 $0.309 $0.283 $0.271 $0.264	Min.: 1 Mult.: 1
Mounting Fixings FLOATER,ASSEMBLY,LOCKING,416SS LA4-440-1MD PEM 1: $2.41 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	$2.41 $2.23 $1.99 $1.87 View $1.81 $1.74 $1.67 $1.62 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers M/F NYLON STANDOFF 4-40 .375 L 4941 Keystone Electronics 1: $0.821 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	$0.821 $0.641 $0.577 $0.54 View $0.526 $0.481 $0.361 $0.347 $0.343	Min.: 1 Mult.: 1
Standoffs & Spacers 3/8 LNGTH 4-40 ML/FML HEX STANDOFF 4532-440-N RAF Electronic Hardware 1: $0.641 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	$0.641 $0.509 $0.434 $0.357 View $0.327 $0.326	Min.: 1 Mult.: 1
Standoffs & Spacers RND .250X.750 ALUM 3481 Keystone Electronics 1: $0.582 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	$0.582 $0.463 $0.433 $0.398 View $0.397 $0.369 $0.298 $0.279 $0.278	Min.: 1 Mult.: 1
Screws & Fasteners 82 Slotted CSK Screw, #4-40 Thread, 9/32 Lg 020440A028 Essentra 1: $0.12 647In Stock	Mfr. Part No. 020440A028 Mouser Part No 144-020440A028	Essentra	Screws & Fasteners 82 Slotted CSK Screw, #4-40 Thread, 9/32 Lg	Datasheet	647In Stock	$0.12 $0.09 $0.08 $0.069 View $0.063 $0.059 $0.055 $0.05 $0.04	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2615 APM HEXSEAL 1: $1.08 64In Stock 1,000Expected 2026/10/30	Mfr. Part No. SFR4-40 x 3/8 2615 Mouser Part No 608-SFR4-40X382615	APM HEXSEAL	Screws & Fasteners		64In Stock 1,000Expected 2026/10/30	$1.08 $0.847 $0.773 $0.684 View $0.634 $0.602 $0.573 $0.554 $0.533	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 Hex Fem Stdoff 15/32" Alum 4-40 2103T-440-AL-7 RAF Electronic Hardware 1: $0.665 600In Stock	Mfr. Part No. 2103T-440-AL-7 Mouser Part No 761-2103T-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/4 Hex Fem Stdoff 15/32" Alum 4-40	Datasheet	600In Stock	$0.665 $0.49 $0.391 $0.351 View $0.344 $0.334 $0.305 $0.294 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 LNGTH 4-40 ML/FML HEX STANDOFF 4530-440-N RAF Electronic Hardware 1: $1.05 45In Stock	Mfr. Part No. 4530-440-N Mouser Part No 761-4530-440-N	RAF Electronic Hardware	Standoffs & Spacers 1/4 LNGTH 4-40 ML/FML HEX STANDOFF	Datasheet	45In Stock	$1.05 $0.941 $0.427 $0.384 View $0.377 $0.365 $0.333 $0.32 Quote	Min.: 1 Mult.: 1
Standoffs & Spacers 1/4 HEX M/F STDOFF 11/32" 4-40 AL CLR 4531T-440-AL-7 RAF Electronic Hardware 1: $1.20 63In Stock	Mfr. Part No. 4531T-440-AL-7 Mouser Part No 761-4531T-440-AL-7	RAF Electronic Hardware	Standoffs & Spacers 1/4 HEX M/F STDOFF 11/32" 4-40 AL CLR	Datasheet	63In Stock	$1.20 $0.897 $0.698 $0.658 View $0.618 $0.595 $0.579 $0.565 Quote	Min.: 1 Mult.: 1