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 6650-01-076-8729
NSN 6620-01-119-3396
NSN 5960-01-543-0235
NSN 6150-00-456-2025
NSN 6105-00-546-2044
NSN 6110-01-199-9175
NSN 6320-01-513-9166
NSN 6685-00-371-0779
NSN 6110-01-342-6869
NSN 5930-01-129-7193
NSN 6685-00-999-2503
NSN 5960-01-091-2444