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 6620-01-644-8388
NSN 5910-01-068-3625
NSN 5999-00-232-5140
NSN 5950-00-197-7705
NSN 6650-00-276-9838
NSN 6620-00-944-6446
NSN 6320-00-500-4172
NSN 6645-01-495-0939
NSN 6130-01-026-8381
NSN 5999-01-554-4902
NSN 5905-01-467-1248
NSN 5920-00-291-1379