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 6650-01-440-9215
NSN 6320-00-242-3300
NSN 2925-00-333-4702
NSN 6685-00-983-5326
NSN 4140-00-528-2921
NSN 6110-00-402-7637
NSN 6110-01-013-6482
NSN 6650-01-493-9483
NSN 7035-01-186-0024
NSN 5895-00-452-7134
NSN 6145-01-209-5655
NSN 6650-00-754-2276