Standoffs & Spacers – Mouser Peru

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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 (PEN) 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: S/1.01 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	S/1.01 S/0.829 S/0.74 S/0.623 View S/0.541 S/0.448 S/0.405 S/0.393	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: S/1.21 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	S/1.21 S/0.958 S/0.856 S/0.724 View S/0.599 S/0.525 S/0.479	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: S/1.09 107,206In 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	S/1.09 S/1.07	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers NYLON SPACER 884 Keystone Electronics 1: S/1.01 24,106In 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	24,106In Stock	S/1.01 S/0.817 S/0.724 S/0.615 View S/0.599 S/0.514 S/0.448 S/0.416 S/0.381	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: S/4.59 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	S/4.59 S/3.48 S/3.25 S/3.21 View S/2.93 S/2.10 S/1.90 S/1.87	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: S/2.53 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	S/2.53 S/1.93 S/1.90 S/1.12 View S/1.04 S/0.958	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: S/2.80 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	S/2.80 S/2.13 S/2.02 S/1.91 View S/1.90 S/1.72 S/1.23 S/1.13 S/1.06	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: S/5.88 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	S/5.88 S/4.52 S/4.28 S/4.20 View S/4.01 S/3.88 S/2.70 S/2.45	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: S/2.72 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	S/2.72 S/2.09 S/1.90 S/1.61 View S/1.34 S/1.24 S/1.12 S/1.08	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: S/3.19 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	S/3.19 S/2.46 S/2.23 S/1.89 View S/1.57 S/1.43 S/1.32 S/1.28	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: S/8.84 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	S/8.84 S/8.41 S/6.97 S/5.99 View S/3.86 S/3.50 S/3.39	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: S/2.76 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	S/2.76 S/2.12 S/1.93 S/1.63 View S/1.36 S/1.21 S/1.12 S/1.06	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: S/2.26 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	S/2.26 S/1.75 S/1.56 S/1.32 View S/1.10 S/1.02 S/0.923 S/0.856	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: S/1.17 3,774In 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	3,774In Stock	S/1.17 S/0.977 S/0.872 S/0.759 View S/0.755 S/0.67 S/0.584 S/0.541 S/0.529	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: S/1.91 1,889In 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	1,889In Stock	S/1.91 S/1.48 S/1.32 S/1.12 View S/0.93 S/0.849 S/0.775 S/0.72	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: S/2.10 2,047In 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	2,047In Stock	S/2.10 S/1.60 S/1.43 S/1.21 View S/1.00 S/0.923 S/0.841 S/0.782	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: S/1.28 429In Stock 13,600On Order	Mfr. Part # 3464 Mouser Part # 534-3464	Keystone Electronics	Standoffs & Spacers RND ALUM #6 X .25" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	429In Stock 13,600On Order On Order Ship Dates Mfr. #: 3464 Stock: 429 Can Ship Immediately On Order: 6,800 Expected 10/23/2026 6,800 Expected 11/2/2026 Factory Lead-Time: 7 Weeks	S/1.28 S/1.10 S/1.02 S/0.872 View S/0.724 S/0.67 S/0.603 S/0.568	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: S/1.95 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	S/1.95 S/1.48 S/1.32 S/1.12 View S/0.93 S/0.86 S/0.775 S/0.72	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: S/2.49 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	S/2.49 S/1.90 S/1.74 S/1.47 View S/1.22 S/1.08 S/1.02 S/0.95	Min.: 1 Mult.: 1	Spacers	Round	0.75 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X .250" 3471 Keystone Electronics 1: S/1.60 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	S/1.60 S/1.27 S/1.13 S/0.958 View S/0.794 S/0.724 S/0.65 S/0.615	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: S/1.87 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	S/1.87 S/1.48 S/1.32 S/1.12 View S/0.93 S/0.849 S/0.775 S/0.72	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: S/1.71 964In 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	964In Stock	S/1.71 S/1.28 S/1.14 S/0.965 View S/0.817 S/0.779 S/0.673	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: S/7.90 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	S/7.90 S/6.15 S/5.49 S/4.87 View S/3.70 S/3.39	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: S/1.44 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	S/1.44 S/1.10 S/0.981 S/0.829 View S/0.689 S/0.631 S/0.572 S/0.533	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers SPACER Replaced NC1115910A 4263 Keystone Electronics 1: S/3.00 1,698In Stock	Mfr. Part # 4263 Mouser Part # 534-4263	Keystone Electronics	Standoffs & Spacers SPACER Replaced NC1115910A Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,698In Stock	S/3.00 S/2.29 S/2.09 S/1.77 View S/1.48 S/1.23 S/1.17	Min.: 1 Mult.: 1	Spacers	Round	12.7 mm	Aluminum	7.92 mm	Iridite	Female / Female	Bulk