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 6240-01-401-5340
NSN 5960-01-197-4461
NSN 2925-01-167-6500
NSN 5835-01-026-0670
NSN 5990-01-434-7913
NSN 6145-01-169-8314
NSN 6145-00-452-4501
NSN 5895-01-053-1691
NSN 4140-00-828-1421
NSN 5998-00-788-7455
NSN 7035-01-203-6951
NSN 6220-01-307-7148