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.	Product	Type	Length	Material	Outside Diameter	Plating	Gender	Packaging
Standoffs & Spacers NYL Rd Clr Hle Spcr .375 .312OD #10 791 Keystone Electronics 1: ¥51.5 1,547In Stock	Mfr. Part # 791 Mouser Part # 534-791	Keystone Electronics	Standoffs & Spacers NYL Rd Clr Hle Spcr .375 .312OD #10 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,547In Stock	¥51.5 ¥40 ¥35.7 ¥30.2 View ¥25.1 ¥22.8 ¥20.4 ¥19.4	Min.: 1 Mult.: 1	Spacers	Round	9.52 mm	Nylon	7.92 mm		Female	Bulk
Standoffs & Spacers 4X3/8 NYLON STANDOFF 877 Keystone Electronics 1: ¥39.9 4,540In Stock	Mfr. Part # 877 Mouser Part # 534-877	Keystone Electronics	Standoffs & Spacers 4X3/8 NYLON STANDOFF Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	4,540In Stock	¥39.9 ¥31.4 ¥27.9 ¥23.6 View ¥19.6 ¥17.6 ¥15.6 ¥15.1	Min.: 1 Mult.: 1	Standoffs	Round	9.5 mm	Nylon	6.4 mm		Female / Female	Bulk
Standoffs & Spacers .625 Rd Clr Hle spcr .250 OD #4 Nylon 879 Keystone Electronics 1: ¥53.2 1,873In Stock	Mfr. Part # 879 Mouser Part # 534-879	Keystone Electronics	Standoffs & Spacers .625 Rd Clr Hle spcr .250 OD #4 Nylon Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	1,873In Stock	¥53.2 ¥41.5 ¥37 ¥31.4 View ¥25.9 ¥23.4 ¥21.4 ¥20.1	Min.: 1 Mult.: 1	Spacers	Round	15.9 mm	Nylon	6.4 mm		Female / Female	Bulk
Standoffs & Spacers NYLON SPCR #6x1/8 883 Keystone Electronics 1: ¥28.2 13,972In Stock	Mfr. Part # 883 Mouser Part # 534-883	Keystone Electronics	Standoffs & Spacers NYLON SPCR #6x1/8 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	13,972In Stock	¥28.2 ¥21.8 ¥19.3 ¥16.3 View ¥14.9 ¥14.1 ¥12.6 ¥12	Min.: 1 Mult.: 1	Spacers	Round	0.125 in	Nylon	0.25 in		Female / Female	Bulk
Standoffs & Spacers SPACER #6 X 3/8 885 Keystone Electronics 1: ¥33.2 4,988In Stock 10,000Expected 10/26/2026	Mfr. Part # 885 Mouser Part # 534-885	Keystone Electronics	Standoffs & Spacers SPACER #6 X 3/8 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	4,988In Stock 10,000Expected 10/26/2026	¥33.2 ¥25.4 ¥22.6 ¥19.1 View ¥16.6 ¥15.8 ¥14.3 ¥13.5	Min.: 1 Mult.: 1	Spacers	Round	9.5 mm	Nylon	6.4 mm		Female / Female	Bulk
Standoffs & Spacers 6-32 ROUND NYLON 888 Keystone Electronics 1: ¥38.2 3,335In Stock	Mfr. Part # 888 Mouser Part # 534-888	Keystone Electronics	Standoffs & Spacers 6-32 ROUND NYLON Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	3,335In Stock	¥38.2 ¥29.2 ¥26.1 ¥22.1 ¥18.3	Min.: 1 Mult.: 1	Spacers			Nylon	6.4 mm			Bulk
Standoffs & Spacers #6 SPACER 1" LENGTH 890 Keystone Electronics 1: ¥56.5 3,155In Stock	Mfr. Part # 890 Mouser Part # 534-890	Keystone Electronics	Standoffs & Spacers #6 SPACER 1" LENGTH Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	3,155In Stock	¥56.5 ¥43.4 ¥38.7 ¥32.7 View ¥27.1 ¥24.6 ¥22.4 ¥20.9	Min.: 1 Mult.: 1	Spacers			Nylon	6.4 mm			Bulk
Standoffs & Spacers #8 X 1/8"NYLON SPACR 891 Keystone Electronics 1: ¥41.5 3,146In Stock	Mfr. Part # 891 Mouser Part # 534-891	Keystone Electronics	Standoffs & Spacers #8 X 1/8"NYLON SPACR Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	3,146In Stock	¥41.5 ¥32.4 ¥28.9 ¥24.4 View ¥20.3 ¥18.3 ¥16.3 ¥15.6	Min.: 1 Mult.: 1	Spacers			Nylon	6.4 mm			Bulk
Standoffs & Spacers RND.THRU HOLE SPACER 892 Keystone Electronics 1: ¥44.8 7,134In Stock	Mfr. Part # 892 Mouser Part # 534-892	Keystone Electronics	Standoffs & Spacers RND.THRU HOLE SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	7,134In Stock	¥44.8 ¥35 ¥31.2 ¥26.4 View ¥21.9 ¥19.4 ¥17.8 ¥17.6	Min.: 1 Mult.: 1	Spacers			Nylon	6.35 mm			Bulk
Standoffs & Spacers 1.00 Rd Clr Hle spcr .250 OD #8 Nylon 898 Keystone Electronics 1: ¥59.8 2,493In Stock	Mfr. Part # 898 Mouser Part # 534-898	Keystone Electronics	Standoffs & Spacers 1.00 Rd Clr Hle spcr .250 OD #8 Nylon Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	2,493In Stock	¥59.8 ¥45.2 ¥40.4 ¥34.1 View ¥28.2 ¥25.7 ¥23.4 ¥21.9	Min.: 1 Mult.: 1	Spacers	Round	25.4 mm	Nylon	6.35 mm		Female / Female	Bulk
Standoffs & Spacers 1/4"X1/4"SPACER RND 1454A Keystone Electronics 1: ¥104.6 3,379In Stock 5,000Expected 2/15/2027	Mfr. Part # 1454A Mouser Part # 534-1454A	Keystone Electronics	Standoffs & Spacers 1/4"X1/4"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	3,379In Stock 5,000Expected 2/15/2027	¥104.6 ¥79.6 ¥75.4 ¥67.4 View ¥56.8 ¥46 ¥42.7 ¥41.9	Min.: 1 Mult.: 1	Spacers	Round	0.25 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers 1/4"X1/2"SPACER RND 1454C Keystone Electronics 1: ¥215.9 220In Stock	Mfr. Part # 1454C Mouser Part # 534-1454C	Keystone Electronics	Standoffs & Spacers 1/4"X1/2"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	220In Stock	¥215.9 ¥163.6 ¥153.8 ¥152.1 View ¥152 ¥139.2 ¥98.2 ¥89 ¥88	Min.: 1 Mult.: 1	Spacers	Round	0.5 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers .750 Rd Clr hle spcr .250 OD #4 1454D Keystone Electronics 1: ¥240.8 200In Stock	Mfr. Part # 1454D Mouser Part # 534-1454D	Keystone Electronics	Standoffs & Spacers .750 Rd Clr hle spcr .250 OD #4 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	200In Stock	¥240.8 ¥184.4 ¥174.4 ¥172.7 View ¥158.6 ¥110.6 ¥100.3 ¥99.7	Min.: 1 Mult.: 1	Spacers	Round	19.09 mm	Brass	6.35 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers 1/4"X1/2"SPACER RND 1457C Keystone Electronics 1: ¥136.2 53In Stock	Mfr. Part # 1457C Mouser Part # 534-1457C	Keystone Electronics	Standoffs & Spacers 1/4"X1/2"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	53In Stock	¥136.2 ¥105 ¥101.8 ¥96 View ¥86.2 ¥60.8 ¥56.3 ¥52.3	Min.: 1 Mult.: 1	Spacers	Round	0.5 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers 1/4"x1" RND SPACER 1457E Keystone Electronics 1: ¥237.5 28In Stock	Mfr. Part # 1457E Mouser Part # 534-1457E	Keystone Electronics	Standoffs & Spacers 1/4"x1" RND SPACER Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	28In Stock	¥237.5 ¥184.4 ¥176.1 ¥174.4 View ¥156.1 ¥134.9 ¥125.2 ¥118.4	Min.: 1 Mult.: 1	Spacers	Round	1 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers 1/4"X1/4"SPACER RND 1480 Keystone Electronics 1: ¥111.3 232In Stock	Mfr. Part # 1480 Mouser Part # 534-1480	Keystone Electronics	Standoffs & Spacers 1/4"X1/4"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	232In Stock	¥111.3 ¥85.2 ¥77.7 ¥71.3 View ¥65.9 ¥54.8 ¥50.3 ¥45.8 ¥43.2	Min.: 1 Mult.: 1	Spacers	Round	0.25 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers .750 Rd Clr hle spcr .250 OD #8 Brass 1483 Keystone Electronics 1: ¥245.8 487In Stock	Mfr. Part # 1483 Mouser Part # 534-1483	Keystone Electronics	Standoffs & Spacers .750 Rd Clr hle spcr .250 OD #8 Brass Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	487In Stock	¥245.8 ¥187.7 ¥171.1 ¥146 View ¥142.8 ¥112.9 ¥106.3	Min.: 1 Mult.: 1	Spacers	Round	19.05 mm	Brass	6.35 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers 1.00 Rd Clr hle spcr .250 OD #8 Brass 1484 Keystone Electronics 1: ¥232.5 389In Stock	Mfr. Part # 1484 Mouser Part # 534-1484	Keystone Electronics	Standoffs & Spacers 1.00 Rd Clr hle spcr .250 OD #8 Brass Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	389In Stock	¥232.5 ¥174.4 ¥158.5 ¥142.8 View ¥136.2 ¥106.5 ¥99.7	Min.: 1 Mult.: 1	Spacers	Round	25.4 mm	Brass	6.35 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers .375 Rd Clr hle spcr .312 OD #10 1663 Keystone Electronics 1: ¥375.4 191In Stock	Mfr. Part # 1663 Mouser Part # 534-1663	Keystone Electronics	Standoffs & Spacers .375 Rd Clr hle spcr .312 OD #10 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	191In Stock	¥375.4 ¥302.3 ¥294 ¥289 View ¥279 ¥270.7 ¥220.9 ¥204.3 ¥201	Min.: 1 Mult.: 1	Spacers	Round	9.52 mm	Brass	7.92 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers .750 Rd Clr hle spcr .312 OD #10 1666 Keystone Electronics 1: ¥518.2 250In Stock	Mfr. Part # 1666 Mouser Part # 534-1666	Keystone Electronics	Standoffs & Spacers .750 Rd Clr hle spcr .312 OD #10 Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	250In Stock	¥518.2 ¥496.6 ¥320.6 ¥305.6 View ¥227.6 ¥206 ¥197.7	Min.: 1 Mult.: 1	Spacers	Round	19.05 mm	Brass	7.92 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers .625 Rd Clr Hle spcr .250 OD #4 Brass 1919 Keystone Electronics 1: ¥204.3 390In Stock	Mfr. Part # 1919 Mouser Part # 534-1919	Keystone Electronics	Standoffs & Spacers .625 Rd Clr Hle spcr .250 OD #4 Brass Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	390In Stock	¥204.3 ¥155.3 ¥148.5 ¥147 View ¥146.8 ¥131.6 ¥93.3 ¥84.5 ¥83.1	Min.: 1 Mult.: 1	Spacers	Round	15.88 mm	Brass	6.35 mm		Female	Bulk
Standoffs & Spacers 1/4"X5/8"SPACER RND 1935 Keystone Electronics 1: ¥156.1 150In Stock	Mfr. Part # 1935 Mouser Part # 534-1935	Keystone Electronics	Standoffs & Spacers 1/4"X5/8"SPACER RND Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	150In Stock	¥156.1 ¥120.6 ¥116.1 ¥107 View ¥99.3 ¥70.1 ¥64.1 ¥61.5	Min.: 1 Mult.: 1	Spacers	Round	0.625 in	Brass	0.25 in	Nickel	Female / Female	Bulk
Standoffs & Spacers .125 Rd Clr Hle spcr .250 OD #8 Brass 1942 Keystone Electronics 1: ¥96.3 53In Stock	Mfr. Part # 1942 Mouser Part # 534-1942	Keystone Electronics	Standoffs & Spacers .125 Rd Clr Hle spcr .250 OD #8 Brass Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	53In Stock	¥96.3 ¥73.9 ¥70.6 ¥66.6 View ¥59.5 ¥44.3 ¥40 ¥37.2	Min.: 1 Mult.: 1	Spacers	Round	3.18 mm	Brass	6.35 mm	Nickel	Female / Female	Bulk
Standoffs & Spacers .875 Rd Clr hle spcr .250 OD #8 Brass 2033 Keystone Electronics 1: ¥224.2 15In Stock	Mfr. Part # 2033 Mouser Part # 534-2033	Keystone Electronics	Standoffs & Spacers .875 Rd Clr hle spcr .250 OD #8 Brass Learn More about Keystone Electronics keystone round clear hole spacers	Datasheet	15In Stock	¥224.2 ¥169.4 ¥156.8 ¥153.5 View ¥147.5 ¥129.7 ¥120.4 ¥113.8	Min.: 1 Mult.: 1	Spacers	Round	22.23 mm	Brass	6.35 mm	Nickel	Female	Bulk
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

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