Hole shape: round; shape: round
A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.
NSN 6650-01-386-6711
NSN 5965-00-929-9415
NSN 5990-01-483-7313
NSN 5930-01-256-1457
NSN 5905-01-183-6129
NSN 5905-01-532-6302
NSN 5925-00-773-6385
NSN 5835-00-187-1481
NSN 6130-01-417-7589
NSN 5855-00-466-2309
NSN 5915-01-320-2528
NSN 6240-00-170-5302