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 5905-01-420-6202
NSN 7035-01-587-9360
NSN 6240-01-032-5034
NSN 5930-01-475-2116
NSN 6610-00-186-9180
NSN 6150-01-260-2295
NSN 7035-00-096-9986
NSN 5905-01-475-8704
NSN 6135-00-756-6149
NSN 5930-00-554-1064
NSN 5835-00-698-9824
NSN 6610-01-333-2381