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 6145-00-258-6977
NSN 6645-01-597-2222
NSN 6220-01-289-0196
NSN 5985-00-958-1644
NSN 4140-01-656-0158
NSN 6130-01-431-4215
NSN 5910-01-130-2531
NSN 5950-01-183-3795
NSN 5945-01-227-5647
NSN 5999-01-445-5909
NSN 5945-00-730-3533
NSN 5925-00-708-8769