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 5835-00-170-5238
NSN 5965-01-467-1857
NSN 6130-00-983-5539
NSN 6610-00-524-0724
NSN 6145-01-310-8597
NSN 6105-00-934-0451
NSN 4140-01-346-9293
NSN 5950-01-628-7199
NSN 5945-01-653-3201
NSN 5960-00-296-1530
NSN 6645-01-227-2036
NSN 5935-01-634-0668