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 6620-00-904-2139
NSN 5855-01-499-1240
NSN 6320-01-366-5157
NSN 6220-01-207-0523
NSN 6685-01-166-9508
NSN 5945-01-429-9824
NSN 6650-01-519-9165
NSN 5835-01-168-6256
NSN 5945-01-328-4628
NSN 5965-01-195-1303
NSN 6650-01-388-1140
NSN 5855-01-426-5589