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 5895-01-117-0349
NSN 4140-01-621-6642
NSN 5965-01-185-7354
NSN 4140-01-174-3487
NSN 4140-01-224-6994
NSN 5910-00-170-4300
NSN 5920-01-521-3087
NSN 6130-01-507-5352
NSN 6220-01-593-5083
NSN 6650-00-864-2942
NSN 6320-01-558-8844
NSN 5965-01-464-3372