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.
NSN 5930-00-907-1312
NSN 6320-00-261-9136
NSN 6320-01-448-1189
NSN 5998-01-622-9241
NSN 5965-01-492-0274
NSN 5990-01-426-2037
NSN 5920-00-235-9657
NSN 6685-01-335-0397
NSN 6685-01-264-4154
NSN 4140-01-270-9624
NSN 6130-01-498-2262
NSN 5920-01-442-7685