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4-40 Standoffs & Spacers

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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.	Product	Type	Thread Size	Length	Material	Outside Diameter	Plating	Gender	Packaging
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-2ET PEM 1: $0.85 84,017In Stock 105,000Expected 2026/11/06	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	84,017In Stock 105,000Expected 2026/11/06	Cut Tape $0.85 $0.641 $0.499 $0.47 Reel $0.444 View $0.461 $0.429 $0.414 $0.408 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	Standoffs	SMT	4-40	0.062 in	Steel		Zinc		Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-8ET PEM 1: $1.30 42,137In Stock 59,800Expected 2026/11/04	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	42,137In Stock 59,800Expected 2026/11/04	Cut Tape $1.30 $0.975 $0.758 Reel $0.715 $0.699 View $0.676 $0.654 $0.629 Quote MouseReel Available	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	4-40	0.25 in	Steel		Zinc		Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF SMTSO-440-12ET PEM 1: $1.27 74,024In 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	74,024In Stock 81,300On Order On Order Ship Dates Mfr. No: SMTSO-440-12ET Stock: 74,024 Can Dispatch Immediately On Order: 300 Pending 81,000 Expected 2026/11/06 Factory Lead Time: 13 Weeks	Cut Tape $1.27 $0.95 $0.74 Reel $0.697 $0.683 View $0.659 $0.636 $0.613 Quote MouseReel Available	Min.: 1 Mult.: 1 : 300	Standoffs	SMT	4-40	0.375 in	Steel		Zinc		Reel, Cut Tape, MouseReel
Standoffs & Spacers SURFACE MOUNT STANDOFF, 4-40 SMTSO-440-4ET PEM 1: $1.09 77,805In 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	77,805In Stock	Cut Tape $1.09 $0.815 $0.634 $0.598 Reel $0.585 View $0.565 $0.547 $0.526 $0.518 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Standoffs	SMT	4-40	0.125 in	Steel		Zinc		Reel, Cut Tape, MouseReel
Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES 19132 Vicor 1: $105.45 752In Stock	Mfr. Part No. 19132 Mouser Part No 492-19132	Vicor	Standoffs & Spacers STANDOFF 4-40 1 BAG/100 PIECES	Datasheet	752In Stock	$105.45 $87.27	Min.: 1 Mult.: 1	Standoffs	Kit Round Metric	4-40	0.403 in	Stainless Steel	0.188 in	Passivated	Female / Female	Bulk
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-1015-03-01-01 Samtec 1: $2.58 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	$2.58 $2.17	Min.: 1 Mult.: 1	Standoffs	Stackable	4-40	10.15 mm	Aluminum	4.76 mm		Male / Female	Bulk
Standoffs & Spacers SUREWARE STANDOFF SO-0165-04-01-02 Samtec 1: $3.23 2,641In Stock	Mfr. Part No. SO-0165-04-01-02 Mouser Part No 200-SO0165040102	Samtec	Standoffs & Spacers SUREWARE STANDOFF		2,641In Stock	$3.23 $2.67 $2.42 $2.24 View $1.77 $1.67	Min.: 1 Mult.: 1	Standoffs	Stackable	4-40	1.65 mm	Stainless Steel	6.35 mm		Female	Bag
Standoffs & Spacers SureWare Precision Board Stacking Standoff SO-0715-01-01-02-N Samtec 1: $2.05 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	$2.05 $1.52	Min.: 1 Mult.: 1	Standoffs	Stackable	4-40	7.15 mm	Stainless Steel	6.35 mm		Female	Bulk
Standoffs & Spacers R44 4-40 UNC x 10mm BRASS 5mm A/F R44-1001202 Harwin 1: $0.38 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	$0.38 $0.32 $0.291 $0.28 View $0.276 $0.263 $0.254 $0.244 $0.236	Min.: 1 Mult.: 1	Spacers	Hex	4-40	12 mm	Brass		Nickel	Female / Female
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .187 L Brass KFB3-440-6ET PEM 1: $0.661 14,243In Stock	Mfr. Part No. KFB3-440-6ET Mouser Part No 153-KFB3-440-6ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .187 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	14,243In Stock	$0.661 $0.475 $0.379 $0.341 View $0.317 $0.308 $0.291 $0.284 $0.276	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.187 in	Brass	0.219 in	Tin
Standoffs & Spacers Broaching Standoff 4-40 .500 L Carbon Steel KFE-440-16ET PEM 1: $0.84 6,616In Stock	Mfr. Part No. KFE-440-16ET Mouser Part No 153-KFE-440-16ET	PEM	Standoffs & Spacers Broaching Standoff 4-40 .500 L Carbon Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	6,616In Stock	$0.84 $0.595 $0.477 $0.449 View $0.381 $0.365 $0.357 Quote	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40		Brass		Tin
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .062 L Brass KFB3-440-2ET PEM 1: $0.58 9,000In Stock	Mfr. Part No. KFB3-440-2ET Mouser Part No 153-KFB3-440-2ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .062 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	9,000In Stock	$0.58 $0.409 $0.327 $0.308 View $0.261 $0.25 $0.245 $0.236	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.062 in	Brass	0.219 in	Tin
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .125 L Brass KFB3-440-4ET PEM 1: $0.67 8,157In Stock	Mfr. Part No. KFB3-440-4ET Mouser Part No 153-KFB3-440-4ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .125 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	8,157In Stock	$0.67 $0.469 $0.376 $0.354 View $0.30 $0.287 $0.281 $0.272	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.125 in	Brass	0.219 in	Tin
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .250 L Brass KFB3-440-8ET PEM 1: $0.72 8,868In Stock	Mfr. Part No. KFB3-440-8ET Mouser Part No 153-KFB3-440-8ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .250 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	8,868In Stock	$0.72 $0.511 $0.409 $0.368 View $0.342 $0.333 $0.313 $0.307 Quote	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.25 in	Brass	0.219 in	Tin
Standoffs & Spacers Broaching Standoff 4-40 .125 L Stainless Steel KFSE-440-4 PEM 1: $0.94 10,167In Stock	Mfr. Part No. KFSE-440-4 Mouser Part No 153-KFSE-440-4	PEM	Standoffs & Spacers Broaching Standoff 4-40 .125 L Stainless Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	10,167In Stock	$0.94 $0.669 $0.535 $0.483 View $0.448 $0.435 $0.411 $0.401 Quote	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.125 in	Brass		Tin
Standoffs & Spacers SOS-440-.250/KNURL CLINCH DSOS-440-250 PEM 1: $0.88 6,725In Stock	Mfr. Part No. DSOS-440-250 Mouser Part No 153-DSOS-440-250	PEM	Standoffs & Spacers SOS-440-.250/KNURL CLINCH Learn More about PEM dso dsos standoffs	Datasheet	6,725In Stock	$0.88 $0.63 $0.504 $0.454 View $0.421 $0.411 $0.386 $0.378 Quote	Min.: 1 Mult.: 1	Standoffs	Self Retaining	4-40	0.25 in	Stainless Steel		Zinc	Male
Standoffs & Spacers Broaching Standoff 4-40 .125 L Carbon Steel KFE-440-4ET PEM 1: $0.57 10,226In Stock	Mfr. Part No. KFE-440-4ET Mouser Part No 153-KFE-440-4ET	PEM	Standoffs & Spacers Broaching Standoff 4-40 .125 L Carbon Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	10,226In Stock	$0.57 $0.408 $0.326 $0.294 View $0.273 $0.265 $0.25 $0.245 $0.236	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40		Brass		Tin
Standoffs & Spacers Broaching Standoff 4-40 .250 L Stainless Steel KFSE-440-8 PEM 1: $0.89 12,005In Stock	Mfr. Part No. KFSE-440-8 Mouser Part No 153-KFSE-440-8	PEM	Standoffs & Spacers Broaching Standoff 4-40 .250 L Stainless Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	12,005In Stock	$0.89 $0.664 $0.518 $0.487 View $0.477 $0.461 $0.445 $0.429 $0.422	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.25 in	Brass		Tin
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .375 L Brass KFB3-440-12ET PEM 1: $0.811 10,367In Stock	Mfr. Part No. KFB3-440-12ET Mouser Part No 153-KFB3-440-12ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .375 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	10,367In Stock	$0.811 $0.576 $0.461 $0.414 View $0.385 $0.374 $0.354 $0.345 Quote	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.375 in	Brass	0.219 in	Tin
Standoffs & Spacers Broach Flare Mount Standoff 4-40 .625 L Brass KFB3-440-20ET PEM 1: $0.83 4,094In Stock	Mfr. Part No. KFB3-440-20ET Mouser Part No 153-KFB3-440-20ET	PEM	Standoffs & Spacers Broach Flare Mount Standoff 4-40 .625 L Brass Learn More about PEM kfb3 broach flare mount standoffs	Datasheet	4,094In Stock	$0.83 $0.616 $0.48 $0.454 View $0.443 $0.428 $0.412 $0.397 $0.392	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.625 in	Brass	0.219 in	Tin
Standoffs & Spacers BRASS SMT STANDOFF 440 L=.250 SMTSOB-440-8ET PEM 1: $1.35 5,870In Stock	Mfr. Part No. SMTSOB-440-8ET Mouser Part No 153-SMTSOB-440-8ET	PEM	Standoffs & Spacers BRASS SMT STANDOFF 440 L=.250 Learn More about PEM smtsob sm fasteners	Datasheet	5,870In Stock	Cut Tape $1.35 $1.01 $0.783 Reel $0.737 $0.72 View $0.697 $0.672 $0.648 Quote	Min.: 1 Mult.: 1 : 650	Standoffs	SMT	4-40	0.25 in	Brass		Zinc		Reel, Cut Tape
Standoffs & Spacers Broaching Standoff 4-40 .375 L Stainless Steel KFSE-440-12 PEM 1: $1.03 15,855In Stock	Mfr. Part No. KFSE-440-12 Mouser Part No 153-KFSE-440-12	PEM	Standoffs & Spacers Broaching Standoff 4-40 .375 L Stainless Steel Learn More about PEM kfe kfse broaching standoffs	Datasheet	15,855In Stock	$1.03 $0.771 $0.60 $0.566 View $0.554 $0.535 $0.516 $0.498 $0.49	Min.: 1 Mult.: 1	Standoffs	Broach/Flare Mount	4-40	0.375 in	Brass		Tin
Standoffs & Spacers .420 MAL-FEM 6PCS 18159 Vicor 1: $12.53 197In Stock	Mfr. Part No. 18159 Mouser Part No 492-18159	Vicor	Standoffs & Spacers .420 MAL-FEM 6PCS	Datasheet	197In Stock	$12.53 $12.13	Min.: 1 Mult.: 1	Standoffs	Kit Round Metric	4-40	0.639 in	Stainless Steel	0.188 in	Passivated	Female / Female	Bulk
Standoffs & Spacers STANDOFF, STAINLESS SOS-440-4 PEM 1: $0.78 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	$0.78 $0.549 $0.44 $0.397 View $0.368 $0.357 $0.336 $0.329 Quote	Min.: 1 Mult.: 1	Standoffs	Round	4-40	0.125 in	Stainless Steel	0.187 in		Female / Female
Standoffs & Spacers STANDOFF, STAINLESS SOS-440-6 PEM 1: $0.79 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	$0.79 $0.557 $0.447 $0.402 View $0.372 $0.362 $0.341 $0.334 Quote	Min.: 1 Mult.: 1	Standoffs	Round	4-40	0.187 in	Steel		Zinc