Standoffs & Spacers – Mouser Japan

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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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Product	Type	Length	Material	Outside Diameter	Plating	Gender	Packaging
Standoffs & Spacers RD ALUM 4 X .625" 2314 Keystone Electronics 1: ¥96.3 180In Stock	Mfr. Part # 2314 Mouser Part # 534-2314	Keystone Electronics	Standoffs & Spacers RD ALUM 4 X .625" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	180In Stock	¥96.3 ¥74.6 ¥66.8 ¥56.5 View ¥47 ¥43.5 ¥39.4 ¥36.5	Min.: 1 Mult.: 1		Spacers	Round	0.625 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 6 X .500" 3466 Keystone Electronics 1: ¥89.7 6,500In 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	6,500In Stock 3,000On Order	¥89.7 ¥68.3 ¥61 ¥51.7 View ¥42.9 ¥39.4 ¥35.9 ¥33.4	Min.: 1 Mult.: 1		Spacers	Round	0.5 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X .750" 3474 Keystone Electronics 1: ¥129.6 483In Stock	Mfr. Part # 3474 Mouser Part # 534-3474	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X .750" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	483In Stock	¥129.6 ¥99.5 ¥90.5 ¥76.7 View ¥63.9 ¥59.1 ¥53.5 ¥49.8	Min.: 1 Mult.: 1		Spacers	Round	0.75 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X 1.00" 3475 Keystone Electronics 1: ¥122.9 120In Stock	Mfr. Part # 3475 Mouser Part # 534-3475	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X 1.00" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	120In Stock	¥122.9 ¥93.7 ¥85 ¥72.1 View ¥60 ¥55.5 ¥49.8 ¥46.7	Min.: 1 Mult.: 1		Spacers	Round	1 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X 1.50" 3476 Keystone Electronics 1: ¥275.7 160In Stock	Mfr. Part # 3476 Mouser Part # 534-3476	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X 1.50" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	160In Stock	¥275.7 ¥210.9 ¥191 ¥181 View ¥177.7 ¥125.9 ¥114.6 ¥108	Min.: 1 Mult.: 1		Spacers	Round	1.5 in	Aluminum	0.25 in	Iridite	Female / Female	Bulk
Standoffs & Spacers SPACER Replaced NC1115510A 4261 Keystone Electronics 1: ¥142.8 181In Stock	Mfr. Part # 4261 Mouser Part # 534-4261	Keystone Electronics	Standoffs & Spacers SPACER Replaced NC1115510A Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	181In Stock	¥142.8 ¥112.3 ¥106.6 ¥95.3 View ¥80.2 ¥65.1 ¥52.7 ¥49.8	Min.: 1 Mult.: 1		Spacers	Round	6.4 mm	Aluminum	7.92 mm	Iridite	Female / Female	Bulk
Standoffs & Spacers SPACER Replaced NC1115710A 4262 Keystone Electronics 1: ¥119.6 155In Stock	Mfr. Part # 4262 Mouser Part # 534-4262	Keystone Electronics	Standoffs & Spacers SPACER Replaced NC1115710A Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	155In Stock	¥119.6 ¥91.2 ¥86.5 ¥77.4 View ¥65.1 ¥52.8 ¥43.5 ¥40.5	Min.: 1 Mult.: 1		Spacers	Round	9.5 mm	Aluminum	7.92 mm	Iridite	Female / Female	Bulk
Standoffs & Spacers SPACER Replaced NC1117510A 4268 Keystone Electronics 1: ¥372.1 368In Stock	Mfr. Part # 4268 Mouser Part # 534-4268	Keystone Electronics	Standoffs & Spacers SPACER Replaced NC1117510A Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	368In Stock	¥372.1 ¥289 ¥259.1 ¥220.9 View ¥214.3 ¥171.1 ¥166.1	Min.: 1 Mult.: 1		Spacers	Round	38.1 mm	Aluminum	7.92 mm	Iridite	Female / Female	Bulk
Standoffs & Spacers NYL Rd Clr Hle Spcr 1.50" .250OD #6 789 Keystone Electronics 1: ¥78.1 37In Stock	Mfr. Part # 789 Mouser Part # 534-789	Keystone Electronics	Standoffs & Spacers NYL Rd Clr Hle Spcr 1.50" .250OD #6 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	37In Stock	¥78.1 ¥60.5 ¥54 ¥45.8 View ¥38 ¥33.9 ¥31.6 ¥29.4	Min.: 1 Mult.: 1		Spacers	Round	38.1 mm	Nylon	6.35 mm		Female / Female	Bulk
Standoffs & Spacers NYL Rd Clr Hle Spcr .500 .312OD #10 792 Keystone Electronics 1: ¥54.8 495In Stock	Mfr. Part # 792 Mouser Part # 534-792	Keystone Electronics	Standoffs & Spacers NYL Rd Clr Hle Spcr .500 .312OD #10 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	495In Stock	¥54.8 ¥42.4 ¥37.7 ¥31.9 View ¥26.4 ¥23.9 ¥21.8 ¥20.4	Min.: 1 Mult.: 1		Spacers	Round	12.7 mm	Nylon	7.92 mm		Female / Female	Bulk
Standoffs & Spacers NYL Rd Clr Hle Spcr .750 .312OD #10 794 Keystone Electronics 1: ¥61.5 421In Stock	Mfr. Part # 794 Mouser Part # 534-794	Keystone Electronics	Standoffs & Spacers NYL Rd Clr Hle Spcr .750 .312OD #10 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	421In Stock	¥61.5 ¥45.8 ¥40.9 ¥34.7 View ¥28.7 ¥26.2 ¥23.9 ¥22.3	Min.: 1 Mult.: 1		Spacers	Round	19.05 mm	Nylon	7.92 mm		Female	Bulk
Standoffs & Spacers NYL Rd Clr Hle Spcr 1.50 .250OD #8 799 Keystone Electronics 1: ¥79.7 1,474In Stock	Mfr. Part # 799 Mouser Part # 534-799	Keystone Electronics	Standoffs & Spacers NYL Rd Clr Hle Spcr 1.50 .250OD #8 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,474In Stock	¥79.7 ¥61.5 ¥55 ¥46.5 View ¥42.2 ¥36.7 ¥32.1 ¥30.1	Min.: 1 Mult.: 1		Spacers	Round	38.1 mm	Nylon	6.35 mm		Female	Bulk
Standoffs & Spacers 1/2" #4 ROUND SPACER 878 Keystone Electronics 1: ¥43.2 6,260In Stock 500Expected 11/16/2026	Mfr. Part # 878 Mouser Part # 534-878	Keystone Electronics	Standoffs & Spacers 1/2" #4 ROUND SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	6,260In Stock 500Expected 11/16/2026	¥43.2 ¥35.2 ¥30.7 ¥25.7 View ¥21.3 ¥19.1 ¥17.3 ¥16.1	Min.: 1 Mult.: 1		Spacers	Round	0.5 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers .750 Rd Clr Hle spcr .250 OD #4 Nylon 880 Keystone Electronics 1: ¥54.8 663In Stock	Mfr. Part # 880 Mouser Part # 534-880	Keystone Electronics	Standoffs & Spacers .750 Rd Clr Hle spcr .250 OD #4 Nylon Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	663In Stock	¥54.8 ¥42 ¥37.5 ¥31.7 View ¥26.4 ¥23.9 ¥21.8 ¥20.4	Min.: 1 Mult.: 1		Spacers	Round	19.1 mm	Nylon	6.4 mm		Female / Female	Bulk
Standoffs & Spacers .875 Rd Clr Hle spcr .250 OD #4 Nylon 881 Keystone Electronics 1: ¥56.5 290In Stock	Mfr. Part # 881 Mouser Part # 534-881	Keystone Electronics	Standoffs & Spacers .875 Rd Clr Hle spcr .250 OD #4 Nylon Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	290In Stock	¥56.5 ¥43 ¥38.4 ¥32.4 View ¥26.9 ¥24.4 ¥22.3 ¥20.8	Min.: 1 Mult.: 1		Spacers	Round	22.2 mm	Nylon	6.4 mm		Female / Female	Bulk
Standoffs & Spacers 1" NYLON SPACER #4 882 Keystone Electronics 1: ¥59.8 245In Stock	Mfr. Part # 882 Mouser Part # 534-882	Keystone Electronics	Standoffs & Spacers 1" NYLON SPACER #4 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	245In Stock	¥59.8 ¥45.2 ¥40.4 ¥34.1 View ¥28.2 ¥25.7 ¥23.4 ¥21.9	Min.: 1 Mult.: 1		Spacers	Round	1 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers NYLON SPACER .5 X #6 886 Keystone Electronics 1: ¥49.8 342In Stock	Mfr. Part # 886 Mouser Part # 534-886	Keystone Electronics	Standoffs & Spacers NYLON SPACER .5 X #6 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	342In Stock	¥49.8 ¥38.7 ¥34.5 ¥29.2 View ¥24.3 ¥21.9 ¥19.8 ¥18.8	Min.: 1 Mult.: 1		Spacers	Round	0.5 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers 5/8" 6-32 NYL SPACER 887 Keystone Electronics 1: ¥51.5 872In Stock	Mfr. Part # 887 Mouser Part # 534-887	Keystone Electronics	Standoffs & Spacers 5/8" 6-32 NYL SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	872In Stock	¥51.5 ¥39.9 ¥35.5 ¥30.1 View ¥24.9 ¥22.8 ¥20.4 ¥19.3	Min.: 1 Mult.: 1		Spacers	Round	0.625 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers .375"L #8 NYLON SPCR 893 Keystone Electronics 1: ¥46.5 725In Stock	Mfr. Part # 893 Mouser Part # 534-893	Keystone Electronics	Standoffs & Spacers .375"L #8 NYLON SPCR Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	725In Stock	¥46.5 ¥36.7 ¥32.7 ¥27.7 View ¥22.9 ¥20.8 ¥19.1 ¥17.8	Min.: 1 Mult.: 1		Spacers	Round	9.52 mm	Nylon	6.35 mm		Female / Female	Bulk
Standoffs & Spacers .500 Rd Clr Hle spcr .250 OD #8 Nylon 894 Keystone Electronics 1: ¥43.2 175In Stock	Mfr. Part # 894 Mouser Part # 534-894	Keystone Electronics	Standoffs & Spacers .500 Rd Clr Hle spcr .250 OD #8 Nylon Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	175In Stock	¥43.2 ¥35.2 ¥30.7 ¥25.7 View ¥21.3 ¥19.1 ¥17.3 ¥16.3	Min.: 1 Mult.: 1		Spacers	Round	12.7 mm	Nylon	6.35 mm		Female / Female	Bulk
Standoffs & Spacers .625 Rd Clr Hle spcr .250 OD #8 Nylon 895 Keystone Electronics 1: ¥53.2 1,314In Stock	Mfr. Part # 895 Mouser Part # 534-895	Keystone Electronics	Standoffs & Spacers .625 Rd Clr Hle spcr .250 OD #8 Nylon Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,314In Stock	¥53.2 ¥41.5 ¥37 ¥31.4 View ¥25.9 ¥23.4 ¥21.1 ¥20.1	Min.: 1 Mult.: 1		Spacers	Round	15.88 mm	Nylon	6.35 mm			Bulk
Standoffs & Spacers .75 Rd Clr Hle spcr .250 OD #8 Nylon 896 Keystone Electronics 1: ¥54.8 58In Stock	Mfr. Part # 896 Mouser Part # 534-896	Keystone Electronics	Standoffs & Spacers .75 Rd Clr Hle spcr .250 OD #8 Nylon Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	58In Stock	¥54.8 ¥42 ¥37.5 ¥31.7 View ¥26.4 ¥23.9 ¥21.8 ¥20.4	Min.: 1 Mult.: 1		Spacers	Round	19.05 mm	Nylon	6.35 mm		Female / Female	Bulk
Standoffs & Spacers .875 Rd Clr Hle spcr .250 OD #8 Nylon 897 Keystone Electronics 1: ¥56.5 402In Stock	Mfr. Part # 897 Mouser Part # 534-897	Keystone Electronics	Standoffs & Spacers .875 Rd Clr Hle spcr .250 OD #8 Nylon Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	402In Stock	¥56.5 ¥43 ¥38.4 ¥32.4 View ¥26.9 ¥24.4 ¥22.3 ¥20.8	Min.: 1 Mult.: 1		Spacers	Round	22.23 mm	Nylon	6.35 mm		Female / Female	Bulk
Standoffs & Spacers RD ALUM 8 X .625" 4259 Keystone Electronics 1: ¥96.3 200In Stock	Mfr. Part # 4259 Mouser Part # 534-4259	Keystone Electronics	Standoffs & Spacers RD ALUM 8 X .625" Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	200In Stock	¥96.3 ¥74.6 ¥66.8 ¥56.5 View ¥47 ¥43.5 ¥39.4 ¥36.5	Min.: 1 Mult.: 1	No	Spacers	Round	0.625 in	Aluminum	0.25 in	Iridite		Bulk
Standoffs & Spacers 2.00 Rd Clr hle spcr .250 OD #4 Alum 3463 Keystone Electronics 1: ¥327.2 349In Stock	Mfr. Part # 3463 Mouser Part # 534-3463	Keystone Electronics	Standoffs & Spacers 2.00 Rd Clr hle spcr .250 OD #4 Alum Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	349In Stock	¥327.2 ¥262.4 ¥255.8 ¥250.8 View ¥209.3 ¥181 ¥153.5	Min.: 1 Mult.: 1		Spacers	Round	50.8 mm	Aluminum	6.35 mm	Iridite	Female / Female	Bulk

3.18 mm
0.125 in
6.35 mm
0.25 in
6.4 mm
0.375 in
9.5 mm
9.52 mm
0.5 in
12.7 mm
15.88 mm
0.625 in
15.9 mm
19.05 mm
19.09 mm
0.75 in
19.1 mm
0.875 in
22.2 mm
22.23 mm