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 5985-01-656-3755
NSN 6110-01-304-1423
NSN 6620-01-200-8176
NSN 5855-01-031-4729
NSN 6110-00-964-3514
NSN 5985-01-291-8173
NSN 5925-01-498-9992
NSN 6320-01-521-1764
NSN 5965-00-839-8991
NSN 7035-01-532-2184
NSN 6320-01-612-7035
NSN 6150-01-545-5051