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 6620-01-026-0346
NSN 5990-01-400-2195
NSN 5990-00-994-0555
NSN 5950-00-057-2549
NSN 5990-00-446-0518
NSN 5975-01-535-0890
NSN 5915-00-276-8332
NSN 5930-01-084-1882
NSN 6220-01-296-3385
NSN 6645-01-281-7254
NSN 5920-01-157-9471
NSN 6650-01-150-5026