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 6240-01-348-0057
NSN 6610-01-306-8530
NSN 5905-01-602-9405
NSN 5930-00-644-4476
NSN 5835-00-490-0530
NSN 5925-00-643-9404
NSN 5975-01-324-6235
NSN 5990-00-230-5352
NSN 6610-01-371-3006
NSN 5996-01-478-9147
NSN 5910-01-147-9483
NSN 6130-01-644-9892