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 5925-01-623-8579
NSN 6220-00-593-1779
NSN 6320-00-646-3311
NSN 4140-01-478-5734
NSN 6645-01-523-7171
NSN 6110-01-284-6524
NSN 5910-01-204-9280
NSN 5965-01-553-8639
NSN 4140-00-894-1793
NSN 5920-00-593-6496
NSN 5925-00-455-2181
NSN 6135-00-548-2765