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 5905-01-171-7749
NSN 6150-00-564-4256
NSN 5999-01-473-5053
NSN 6650-01-579-7240
NSN 6685-01-576-8045
NSN 6220-01-242-6094
NSN 5998-00-498-2710
NSN 5965-01-141-8785
NSN 5990-01-292-2369
NSN 5905-01-095-2573
NSN 5925-00-981-9006
NSN 5920-01-152-0592