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 6645-00-171-9639
NSN 6150-01-411-3374
NSN 5990-00-258-0228
NSN 6645-01-449-1824
NSN 4140-01-634-0330
NSN 6135-01-552-1568
NSN 5925-01-348-9773
NSN 5965-00-035-4556
NSN 4140-01-323-4279
NSN 6130-01-482-9096
NSN 5975-01-557-1905
NSN 6105-01-439-7848