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.
Classification: Other articles of iron or steel not wire nesoi
NSN 5855-01-380-2896
NSN 5990-00-878-1973
NSN 6610-01-388-8664
NSN 6145-00-445-7839
NSN 6320-01-457-2805
NSN 5990-01-201-1698
NSN 5985-00-981-0216
NSN 6685-00-526-9433
NSN 6135-00-078-9931
NSN 5975-01-013-2391
NSN 5965-01-494-1485
NSN 6130-01-187-5571