Standoffs & Spacers – Mouser Guatemala

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Round Clear Hole Spacers

Keystone Electronics Round Clear Hole Spacers are available in four types of material with clearance holes for #4, #6, #8, and #10 screw sizes. The aluminum spacers feature a clear Iridite finish per MIL-C-5541 standards, while the brass spacers have a nickel finish per QQ-N-290 requirements. The insulated types include nylon 6/6 spacers in a natural color and phenolic spacers manufactured from a natural color PBE-grade material. Keystone Electronics Round Clear Hole Spacers have an outer diameter of 0.250" or 0.312" and an overall length of 0.125" to 2" with threaded or unthreaded options.

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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	Length	Material	Outside Diameter	Plating	Gender	Packaging
Standoffs & Spacers RD ALUM 4 X .125" 2036 Keystone Electronics 1: $0.26 31,421In Stock	Mfr. Part # 2036 Mouser Part # 534-2036	Keystone Electronics	Standoffs & Spacers RD ALUM 4 X .125" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	31,421In Stock	$0.26 $0.213 $0.19 $0.16 View $0.139 $0.115 $0.104 $0.101	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X .125" 3403 Keystone Electronics 1: $0.31 9,542In Stock	Mfr. Part # 3403 Mouser Part # 534-3403	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X .125" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	9,542In Stock	$0.31 $0.246 $0.22 $0.186 View $0.154 $0.135 $0.123	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers 1/8" NYLON SPACER 875 Keystone Electronics 1: $0.28 107,206In Stock 14,400On Order	Mfr. Part # 875 Mouser Part # 534-875	Keystone Electronics	Standoffs & Spacers 1/8" NYLON SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	107,206In Stock 14,400On Order	$0.28 $0.275	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers NYLON SPACER 884 Keystone Electronics 1: $0.26 23,071In Stock	Mfr. Part # 884 Mouser Part # 534-884	Keystone Electronics	Standoffs & Spacers NYLON SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	23,071In Stock	$0.26 $0.21 $0.186 $0.158 View $0.154 $0.132 $0.115 $0.107 $0.098	Min.: 1 Mult.: 1	Spacers	Round	0.25 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers .375 Rd Clr hle spcr .250 OD #4 1454B Keystone Electronics 1: $1.18 400In Stock	Mfr. Part # 1454B Mouser Part # 534-1454B	Keystone Electronics	Standoffs & Spacers .375 Rd Clr hle spcr .250 OD #4 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	400In Stock	$1.18 $0.894 $0.834 $0.824 View $0.752 $0.539 $0.489 $0.48	Min.: 1 Mult.: 1	Spacers	Round	9.52 mm	Brass	6.35 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers 1/4"X1/4"SPACER RND 1457A Keystone Electronics 1: $0.65 160In Stock 500Expected 12/28/2026	Mfr. Part # 1457A Mouser Part # 534-1457A	Keystone Electronics	Standoffs & Spacers 1/4"X1/4"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	160In Stock 500Expected 12/28/2026	$0.65 $0.496 $0.488 $0.287 View $0.267 $0.246	Min.: 1 Mult.: 1	Spacers	Round	0.25 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers 1/4"X3/8"SPACER RND 1457B Keystone Electronics 1: $0.72 5,064In Stock	Mfr. Part # 1457B Mouser Part # 534-1457B	Keystone Electronics	Standoffs & Spacers 1/4"X3/8"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	5,064In Stock	$0.72 $0.546 $0.52 $0.49 View $0.489 $0.443 $0.317 $0.29 $0.272	Min.: 1 Mult.: 1	Spacers	Round	0.375 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers .750" RND SPACER 1457D Keystone Electronics 1: $1.51 420In Stock	Mfr. Part # 1457D Mouser Part # 534-1457D	Keystone Electronics	Standoffs & Spacers .750" RND SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	420In Stock	$1.51 $1.16 $1.10 $1.08 View $1.03 $0.997 $0.693 $0.63	Min.: 1 Mult.: 1	Spacers	Round	0.75 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers 1/4"X3/8"SPACER RND 1481 Keystone Electronics 1: $0.70 98In Stock	Mfr. Part # 1481 Mouser Part # 534-1481	Keystone Electronics	Standoffs & Spacers 1/4"X3/8"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	98In Stock	$0.70 $0.536 $0.487 $0.413 View $0.343 $0.318 $0.288 $0.278	Min.: 1 Mult.: 1	Spacers	Round	0.375 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers .500 Rd Clr hle spcr .250 OD #8 Brass 1482 Keystone Electronics 1: $0.82 2,003In Stock	Mfr. Part # 1482 Mouser Part # 534-1482	Keystone Electronics	Standoffs & Spacers .500 Rd Clr hle spcr .250 OD #8 Brass Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	2,003In Stock	$0.82 $0.633 $0.573 $0.486 View $0.404 $0.367 $0.339 $0.33	Min.: 1 Mult.: 1	Spacers	Round	12.7 mm	Brass	6.35 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers .250 Rd Clr hle spcr .312 OD #10 1662 Keystone Electronics 1: $2.27 94In Stock	Mfr. Part # 1662 Mouser Part # 534-1662	Keystone Electronics	Standoffs & Spacers .250 Rd Clr hle spcr .312 OD #10 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	94In Stock	$2.27 $2.16 $1.79 $1.54 View $0.991 $0.90 $0.87	Min.: 1 Mult.: 1	Spacers	Round	6.35 mm	Brass	7.92 mm	Nickel	Female	Bulk
Standoffs & Spacers RD ALUM 4 X .875" 3402 Keystone Electronics 1: $0.71 976In Stock	Mfr. Part # 3402 Mouser Part # 534-3402	Keystone Electronics	Standoffs & Spacers RD ALUM 4 X .875" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	976In Stock	$0.71 $0.544 $0.495 $0.42 View $0.349 $0.311 $0.289 $0.272	Min.: 1 Mult.: 1	Spacers	Round	0.875 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X .625" 3429 Keystone Electronics 1: $0.58 50In Stock	Mfr. Part # 3429 Mouser Part # 534-3429	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X .625" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	50In Stock	$0.58 $0.449 $0.402 $0.34 View $0.283 $0.261 $0.237 $0.22	Min.: 1 Mult.: 1	Spacers	Round	0.625 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 4 X .250" 3457 Keystone Electronics 1: $0.38 3,274In Stock	Mfr. Part # 3457 Mouser Part # 534-3457	Keystone Electronics	Standoffs & Spacers RD ALUM 4 X .250" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	3,274In Stock	$0.38 $0.316 $0.279 $0.238 View $0.236 $0.201 $0.183 $0.165 $0.156	Min.: 1 Mult.: 1	Spacers	Round	0.25 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers .250 X .375 #4 ROUND SPACER 3458 Keystone Electronics 1: $0.49 1,789In Stock	Mfr. Part # 3458 Mouser Part # 534-3458	Keystone Electronics	Standoffs & Spacers .250 X .375 #4 ROUND SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,789In Stock	$0.49 $0.38 $0.34 $0.288 View $0.239 $0.218 $0.199 $0.185	Min.: 1 Mult.: 1	Spacers	Round	0.375 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 4 X .500" 3459 Keystone Electronics 1: $0.54 1,947In Stock	Mfr. Part # 3459 Mouser Part # 534-3459	Keystone Electronics	Standoffs & Spacers RD ALUM 4 X .500" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,947In Stock	$0.54 $0.411 $0.367 $0.311 View $0.258 $0.237 $0.216 $0.201	Min.: 1 Mult.: 1	Spacers	Round	0.5 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X .375" 3465 Keystone Electronics 1: $0.50 3,612In Stock	Mfr. Part # 3465 Mouser Part # 534-3465	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X .375" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	3,612In Stock	$0.50 $0.38 $0.34 $0.288 View $0.239 $0.221 $0.199 $0.185	Min.: 1 Mult.: 1	Spacers	Round	0.375 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X .500" 3466 Keystone Electronics 1: $0.54 6,475In Stock 3,000On Order	Mfr. Part # 3466 Mouser Part # 534-3466	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X .500" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	6,475In Stock 3,000On Order	$0.54 $0.411 $0.367 $0.311 View $0.258 $0.237 $0.216 $0.201	Min.: 1 Mult.: 1	Spacers	Round	0.5 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X .750" 3467 Keystone Electronics 1: $0.64 1,019In Stock	Mfr. Part # 3467 Mouser Part # 534-3467	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X .750" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,019In Stock	$0.64 $0.487 $0.446 $0.378 View $0.314 $0.277 $0.263 $0.244	Min.: 1 Mult.: 1	Spacers	Round	0.75 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X 1.50" 3469 Keystone Electronics 1: $1.72 1,095In Stock 300Expected 11/2/2026	Mfr. Part # 3469 Mouser Part # 534-3469	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X 1.50" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,095In Stock 300Expected 11/2/2026	$1.72 $1.32 $1.18 $0.99 View $0.856 $0.72 $0.694	Min.: 1 Mult.: 1	Spacers	Round	1.5 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X .250" 3471 Keystone Electronics 1: $0.41 4,047In Stock	Mfr. Part # 3471 Mouser Part # 534-3471	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X .250" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	4,047In Stock	$0.41 $0.325 $0.291 $0.246 View $0.204 $0.186 $0.167 $0.158	Min.: 1 Mult.: 1	Spacers	Round	0.25 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X .375" 3472 Keystone Electronics 1: $0.48 400In Stock	Mfr. Part # 3472 Mouser Part # 534-3472	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X .375" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	400In Stock	$0.48 $0.38 $0.34 $0.288 View $0.239 $0.218 $0.199 $0.185	Min.: 1 Mult.: 1	Spacers	Round	0.375 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X .500" 3473 Keystone Electronics 1: $0.44 1,064In Stock	Mfr. Part # 3473 Mouser Part # 534-3473	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X .500" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,064In Stock	$0.44 $0.328 $0.293 $0.248 View $0.21 $0.20 $0.173	Min.: 1 Mult.: 1	Spacers	Round	0.5 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers 2.00 Rd Clr hle spcr 250 OD #8 Alum 3477 Keystone Electronics 1: $2.03 644In Stock	Mfr. Part # 3477 Mouser Part # 534-3477	Keystone Electronics	Standoffs & Spacers 2.00 Rd Clr hle spcr 250 OD #8 Alum Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	644In Stock	$2.03 $1.58 $1.41 $1.25 View $0.95 $0.87	Min.: 1 Mult.: 1	Spacers	Round	50.8 mm	Aluminum	6.35 mm	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X .125" 4258 Keystone Electronics 1: $0.37 1,010In Stock	Mfr. Part # 4258 Mouser Part # 534-4258	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X .125" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,010In Stock	$0.37 $0.282 $0.252 $0.213 View $0.177 $0.162 $0.147 $0.137	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk