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 5835-00-484-1529
NSN 5945-00-500-5171
NSN 6145-01-066-6620
NSN 5985-00-819-2767
NSN 6650-00-614-1711
NSN 6220-00-815-5071
NSN 5855-01-458-2229
NSN 6645-01-265-8729
NSN 5998-01-322-4396
NSN 5930-00-624-9078
NSN 5950-01-136-0847
NSN 6320-01-123-6814