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 6240-00-180-4602
NSN 6105-00-596-9962
NSN 5965-00-900-6401
NSN 5998-01-131-6399
NSN 5835-01-390-0880
NSN 6610-01-417-3011
NSN 5910-00-280-1463
NSN 6220-00-520-9109
NSN 6645-01-366-5033
NSN 4140-01-062-7244
NSN 6320-00-070-4544
NSN 5960-00-185-9974