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 5930-01-256-9629
NSN 2925-01-255-6394
NSN 5925-01-394-4953
NSN 5945-01-165-1065
NSN 5905-00-514-1984
NSN 5925-01-401-5314
NSN 6105-01-259-1536
NSN 7035-01-461-7742
NSN 5985-00-152-9457
NSN 5996-01-487-3733
NSN 5960-01-323-6432
NSN 2925-01-603-6379