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 6110-00-778-7552
NSN 5855-00-100-9003
NSN 5985-01-194-2462
NSN 5990-00-350-2352
NSN 5998-00-901-3003
NSN 6220-00-068-8750
NSN 6645-00-881-9978
NSN 6240-00-946-9658
NSN 2925-01-471-4912
NSN 5999-01-162-4241
NSN 5975-00-325-9032
NSN 6610-01-015-9798