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 5905-01-408-9478
NSN 6610-01-620-2303
NSN 6645-01-615-4448
NSN 6240-00-275-1950
NSN 6645-00-540-8930
NSN 5915-01-412-5984
NSN 5998-01-277-0792
NSN 5915-01-521-9486
NSN 6645-00-754-4108
NSN 5998-01-104-4783
NSN 2925-00-497-7808
NSN 6650-01-092-2451