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: Articles of aluminum nesoi
NSN 6645-01-509-7326
NSN 6610-01-023-1816
NSN 5930-00-588-9890
NSN 6145-00-152-6499
NSN 6145-00-248-4944
NSN 5985-00-652-1631
NSN 6105-01-181-6304
NSN 7035-01-322-0221
NSN 6645-01-128-0895
NSN 6620-01-071-6020
NSN 5935-01-390-5178
NSN 6150-01-410-8914