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 5855-00-791-5000
NSN 5935-01-359-2065
NSN 6620-01-577-6285
NSN 5930-00-118-2652
NSN 5996-01-421-4417
NSN 6610-01-475-7915
NSN 5915-01-208-0358
NSN 6645-00-909-0556
NSN 6150-00-116-3481
NSN 4140-01-055-6355
NSN 6645-01-416-6267
NSN 6320-00-110-8005