Standoffs & Spacers – Mouser Liechtenstein

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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 aluminium spacers feature a clear Iridite finish in accordance with MIL-C-5541 standards, while the brass spacers have a nickel finish in accordance with QQ-N-290 requirements. The insulated types include nylon 6/6 spacers in a natural colour and phenolic spacers manufactured from a natural colour PBE-grade material. Keystone Electronics Round Clear Hole Spacers have an outer diameter of 0.250" (6.35 mm) or 0.312" (7.925 mm) and an overall length of 0.125" (3.175 mm) to 2" (50.8 mm) with threaded or unthreaded options.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) 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: CHF 0.239 31’421In Stock	Mfr. Part No. 2036 Mouser Part No 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	CHF 0.239 CHF 0.196 CHF 0.174 CHF 0.147 View CHF 0.127 CHF 0.106 CHF 0.095 CHF 0.093	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: CHF 0.285 9’417In Stock	Mfr. Part No. 3403 Mouser Part No 534-3403	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X .125" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	9’417In Stock	CHF 0.285 CHF 0.226 CHF 0.202 CHF 0.17 View CHF 0.141 CHF 0.124 CHF 0.113	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: CHF 0.256 121’606In Stock	Mfr. Part No. 875 Mouser Part No 534-875	Keystone Electronics	Standoffs & Spacers 1/8" NYLON SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	121’606In Stock	CHF 0.256 CHF 0.253	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers NYLON SPACER 884 Keystone Electronics 1: CHF 0.239 21’971In Stock	Mfr. Part No. 884 Mouser Part No 534-884	Keystone Electronics	Standoffs & Spacers NYLON SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	21’971In Stock	CHF 0.239 CHF 0.193 CHF 0.17 CHF 0.145 View CHF 0.141 CHF 0.121 CHF 0.106 CHF 0.098 CHF 0.09	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: CHF 1.09 400In Stock	Mfr. Part No. 1454B Mouser Part No 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	CHF 1.09 CHF 0.82 CHF 0.765 CHF 0.756 View CHF 0.69 CHF 0.494 CHF 0.448 CHF 0.44	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: CHF 0.596 154In Stock 500On Order	Mfr. Part No. 1457A Mouser Part No 534-1457A	Keystone Electronics	Standoffs & Spacers 1/4"X1/4"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	154In Stock 500On Order On Order Ship Dates Mfr. No: 1457A Stock: 154 Can Dispatch Immediately On Order: 188 Expected 11/10/2026 312 Expected 12/28/2026 Factory Lead Time: 12 Weeks	CHF 0.596 CHF 0.455 CHF 0.447 CHF 0.263 View CHF 0.245 CHF 0.226	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: CHF 0.661 5’064In Stock	Mfr. Part No. 1457B Mouser Part No 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	CHF 0.661 CHF 0.501 CHF 0.477 CHF 0.449 View CHF 0.448 CHF 0.406 CHF 0.291 CHF 0.266 CHF 0.25	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: CHF 1.39 420In Stock	Mfr. Part No. 1457D Mouser Part No 534-1457D	Keystone Electronics	Standoffs & Spacers .750" RND SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	420In Stock	CHF 1.39 CHF 1.07 CHF 1.01 CHF 0.992 View CHF 0.945 CHF 0.914 CHF 0.636 CHF 0.578	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: CHF 0.642 73In Stock	Mfr. Part No. 1481 Mouser Part No 534-1481	Keystone Electronics	Standoffs & Spacers 1/4"X3/8"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	73In Stock	CHF 0.642 CHF 0.491 CHF 0.446 CHF 0.379 View CHF 0.314 CHF 0.292 CHF 0.264 CHF 0.255	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: CHF 0.753 2’003In Stock	Mfr. Part No. 1482 Mouser Part No 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	CHF 0.753 CHF 0.58 CHF 0.526 CHF 0.446 View CHF 0.371 CHF 0.337 CHF 0.311 CHF 0.302	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: CHF 2.08 94In Stock	Mfr. Part No. 1662 Mouser Part No 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	CHF 2.08 CHF 1.98 CHF 1.64 CHF 1.41 View CHF 0.909 CHF 0.826 CHF 0.798	Min.: 1 Mult.: 1	Spacers	Round	6.35 mm	Brass	7.92 mm	Nickel	Female	Bulk
Standoffs & Spacers .125 Rnd Clr spcr .250 OD #6 Brass 1934 Keystone Electronics 1: CHF 0.459 1’555In Stock 2’100Expected 11/9/2026	Mfr. Part No. 1934 Mouser Part No 534-1934	Keystone Electronics	Standoffs & Spacers .125 Rnd Clr spcr .250 OD #6 Brass Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1’555In Stock 2’100Expected 11/9/2026	CHF 0.459 CHF 0.373 CHF 0.364 CHF 0.329 View CHF 0.238 CHF 0.217 CHF 0.206	Min.: 1 Mult.: 1	Spacers	Round	3.18 mm	Brass	6.35 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers RD ALUM 4 X .875" 3402 Keystone Electronics 1: CHF 0.651 976In Stock	Mfr. Part No. 3402 Mouser Part No 534-3402	Keystone Electronics	Standoffs & Spacers RD ALUM 4 X .875" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	976In Stock	CHF 0.651 CHF 0.499 CHF 0.454 CHF 0.386 View CHF 0.32 CHF 0.285 CHF 0.265 CHF 0.25	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: CHF 0.532 50In Stock	Mfr. Part No. 3429 Mouser Part No 534-3429	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X .625" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	50In Stock	CHF 0.532 CHF 0.412 CHF 0.369 CHF 0.312 View CHF 0.259 CHF 0.24 CHF 0.217 CHF 0.202	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: CHF 0.348 3’274In Stock	Mfr. Part No. 3457 Mouser Part No 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	CHF 0.348 CHF 0.29 CHF 0.256 CHF 0.218 View CHF 0.216 CHF 0.184 CHF 0.168 CHF 0.152 CHF 0.143	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: CHF 0.449 1’789In Stock	Mfr. Part No. 3458 Mouser Part No 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	CHF 0.449 CHF 0.348 CHF 0.312 CHF 0.264 View CHF 0.219 CHF 0.20 CHF 0.183 CHF 0.169	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: CHF 0.495 1’947In Stock	Mfr. Part No. 3459 Mouser Part No 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	CHF 0.495 CHF 0.377 CHF 0.337 CHF 0.285 View CHF 0.237 CHF 0.217 CHF 0.198 CHF 0.184	Min.: 1 Mult.: 1	Spacers	Round	0.5 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RND ALUM #6 X .25" 3464 Keystone Electronics 1: CHF 0.302 6’229In Stock 6’800Expected 11/9/2026	Mfr. Part No. 3464 Mouser Part No 534-3464	Keystone Electronics	Standoffs & Spacers RND ALUM #6 X .25" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	6’229In Stock 6’800Expected 11/9/2026	CHF 0.302 CHF 0.259 CHF 0.24 CHF 0.206 View CHF 0.17 CHF 0.158 CHF 0.142 CHF 0.134	Min.: 1 Mult.: 1	Spacers	Round	0.25 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X .375" 3465 Keystone Electronics 1: CHF 0.459 612In Stock 4’200Expected 11/16/2026	Mfr. Part No. 3465 Mouser Part No 534-3465	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X .375" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	612In Stock 4’200Expected 11/16/2026	CHF 0.459 CHF 0.348 CHF 0.312 CHF 0.264 View CHF 0.219 CHF 0.203 CHF 0.183 CHF 0.169	Min.: 1 Mult.: 1	Spacers	Round	0.375 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X .750" 3467 Keystone Electronics 1: CHF 0.587 1’019In Stock	Mfr. Part No. 3467 Mouser Part No 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	CHF 0.587 CHF 0.446 CHF 0.409 CHF 0.346 View CHF 0.288 CHF 0.254 CHF 0.241 CHF 0.224	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: CHF 1.58 1’395In Stock	Mfr. Part No. 3469 Mouser Part No 534-3469	Keystone Electronics	Standoffs & Spacers RD ALUM 6 X 1.50" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1’395In Stock	CHF 1.58 CHF 1.21 CHF 1.09 CHF 0.908 View CHF 0.785 CHF 0.661 CHF 0.636	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: CHF 0.376 4’047In Stock	Mfr. Part No. 3471 Mouser Part No 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	CHF 0.376 CHF 0.299 CHF 0.267 CHF 0.226 View CHF 0.187 CHF 0.17 CHF 0.154 CHF 0.145	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: CHF 0.44 400In Stock	Mfr. Part No. 3472 Mouser Part No 534-3472	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X .375" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	400In Stock	CHF 0.44 CHF 0.348 CHF 0.312 CHF 0.264 View CHF 0.219 CHF 0.20 CHF 0.183 CHF 0.169	Min.: 1 Mult.: 1	Spacers	Round	0.375 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: CHF 1.86 644In Stock	Mfr. Part No. 3477 Mouser Part No 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	CHF 1.86 CHF 1.45 CHF 1.29 CHF 1.15 View CHF 0.871 CHF 0.798	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: CHF 0.34 1’010In Stock	Mfr. Part No. 4258 Mouser Part No 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	CHF 0.34 CHF 0.258 CHF 0.231 CHF 0.196 View CHF 0.162 CHF 0.149 CHF 0.135 CHF 0.125	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk