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 5965-00-170-5254
NSN 6240-00-578-1965
NSN 5990-01-303-0564
NSN 7035-00-148-2300
NSN 2925-01-488-5140
NSN 4140-00-715-9946
NSN 5930-00-263-5217
NSN 5990-01-013-8464
NSN 6105-01-545-5889
NSN 6105-00-596-7099
NSN 6220-01-106-2424
NSN 6645-01-316-7456