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 5855-01-129-9760
NSN 5915-01-165-2772
NSN 6645-01-622-6161
NSN 5965-01-043-9357
NSN 6110-01-628-8615
NSN 6220-01-415-4854
NSN 5945-00-934-1717
NSN 5915-01-414-2782
NSN 5925-00-557-2428
NSN 5985-00-277-7371
NSN 6110-01-644-9845
NSN 6620-01-133-2800