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 6240-00-829-4179
NSN 4140-01-231-4172
NSN 6240-01-389-5901
NSN 5990-01-334-8634
NSN 5930-00-189-0809
NSN 6240-00-594-7138
NSN 6145-00-231-4422
NSN 5985-00-277-7371
NSN 6145-01-113-0693
NSN 5835-01-501-0526
NSN 6650-00-754-2276
NSN 5985-01-518-8350