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: Articles of aluminum nesoi
NSN 5945-01-209-0200
NSN 5990-01-164-8673
NSN 2925-01-577-9269
NSN 6610-01-214-5359
NSN 6645-00-177-0826
NSN 6135-01-633-2066
NSN 2925-01-213-6622
NSN 6105-01-281-2163
NSN 5985-00-496-9789
NSN 5915-01-009-6400
NSN 5930-00-202-1078
NSN 2925-01-146-0278