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 5945-01-008-4145
NSN 5925-01-322-4366
NSN 6145-01-301-9506
NSN 6110-01-645-3650
NSN 6240-00-369-9768
NSN 5835-00-905-7165
NSN 5855-01-537-6000
NSN 5895-00-292-2872
NSN 5925-01-131-8480
NSN 5920-01-477-7221
NSN 6145-00-399-5201
NSN 5950-01-502-1271