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 5835-01-550-1577
NSN 6110-01-062-0252
NSN 5998-01-365-1483
NSN 4140-01-023-1537
NSN 5925-01-111-5217
NSN 5965-01-204-1423
NSN 2925-00-309-4884
NSN 5998-00-619-1663
NSN 6105-01-492-8957
NSN 5950-01-555-8152
NSN 5945-01-542-9117
NSN 6220-01-364-2058