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 6145-01-328-7991
NSN 5930-01-522-7858
NSN 5895-00-456-0830
NSN 6320-00-857-4073
NSN 6620-01-532-4147
NSN 5935-01-581-6339
NSN 5905-01-410-7436
NSN 6130-01-014-4588
NSN 5998-00-521-0497
NSN 6645-01-239-8133
NSN 5950-01-542-9972
NSN 6240-01-023-2013