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 5950-01-233-9211
NSN 5895-00-538-7929
NSN 5999-01-243-0630
NSN 6135-01-521-0378
NSN 6130-01-555-4069
NSN 6130-01-564-8694
NSN 5996-00-234-5778
NSN 6220-00-654-7362
NSN 5998-01-100-1419
NSN 5999-01-124-9695
NSN 6610-01-331-6966
NSN 6620-01-345-4835