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 2925-00-233-5644
NSN 5975-00-276-3436
NSN 6145-00-148-5748
NSN 5935-01-100-3590
NSN 6145-01-414-6506
NSN 5965-00-617-5731
NSN 5999-00-529-0157
NSN 5996-00-914-3143
NSN 6135-00-816-9052
NSN 5910-01-319-1876
NSN 5975-00-160-2407
NSN 6145-01-476-0739