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 6685-01-254-4716
NSN 5999-00-879-9819
NSN 5855-01-147-6024
NSN 5895-01-424-0311
NSN 5975-01-194-3419
NSN 6650-01-076-5232
NSN 5905-01-217-4117
NSN 5999-00-740-8259
NSN 6110-01-617-3002
NSN 5920-00-490-1226
NSN 6130-01-288-5467
NSN 5835-00-198-4936