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 5945-01-378-7045
NSN 5990-01-491-1397
NSN 6145-01-293-5463
NSN 6620-01-350-0323
NSN 5855-00-821-7512
NSN 5960-01-378-1729
NSN 6105-00-482-9162
NSN 5905-00-185-1828
NSN 5905-01-167-7420
NSN 7035-01-654-0018
NSN 5920-00-827-1094
NSN 5998-01-173-8076