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 6135-01-322-4655
NSN 5950-01-359-1809
NSN 5945-01-482-0288
NSN 6150-00-600-6259
NSN 4140-00-144-0226
NSN 5925-01-448-8147
NSN 6620-00-193-9503
NSN 6220-01-156-1168
NSN 6240-00-170-5302
NSN 5998-00-316-5074
NSN 5945-00-529-0409
NSN 5975-01-153-1927