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 6320-00-779-5923
NSN 5895-00-620-0518
NSN 2925-00-922-8953
NSN 5915-00-952-5658
NSN 5855-00-763-2155
NSN 5905-01-570-2414
NSN 6610-01-224-7247
NSN 5915-01-475-2096
NSN 6685-01-123-1922
NSN 6135-01-222-0703
NSN 5895-01-452-0089
NSN 6110-01-037-7368