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 6130-01-400-6123
NSN 6650-00-981-9501
NSN 7035-01-545-8954
NSN 5895-01-500-3402
NSN 6645-00-837-2267
NSN 6145-00-768-1956
NSN 6150-01-154-9686
NSN 5999-01-078-4830
NSN 6610-01-344-0972
NSN 5975-01-526-5882
NSN 6145-01-443-2928
NSN 5855-00-411-8688