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 2925-00-997-1792
NSN 5996-01-391-7489
NSN 5930-00-095-6564
NSN 6645-00-487-8044
NSN 5998-01-575-1301
NSN 6320-00-676-9387
NSN 5935-01-444-0302
NSN 6220-01-411-8018
NSN 6650-01-259-3008
NSN 5905-01-438-6439
NSN 5990-01-507-7495
NSN 6320-01-335-8336