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 5975-00-894-9639
NSN 5930-01-242-3329
NSN 6220-01-364-3000
NSN 4140-01-170-5395
NSN 6240-01-148-0379
NSN 5905-01-618-5123
NSN 6145-01-439-8041
NSN 5965-01-460-9743
NSN 6220-01-081-7631
NSN 5920-00-821-0078
NSN 6105-00-513-6540
NSN 5895-00-305-7549