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 5965-01-398-9579
NSN 4140-00-513-1089
NSN 6610-00-497-9925
NSN 6130-01-023-6111
NSN 5925-00-306-1502
NSN 6645-01-377-2553
NSN 6220-01-380-1211
NSN 5930-00-526-7645
NSN 6150-00-372-5979
NSN 6105-00-306-4694
NSN 6220-00-498-8098
NSN 5990-01-288-7393