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 5855-01-579-3864
NSN 6220-00-913-4465
NSN 5905-00-153-4092
NSN 5905-00-647-4554
NSN 5920-01-416-0384
NSN 6610-01-188-8163
NSN 6645-01-076-4655
NSN 4140-01-234-8170
NSN 6685-00-946-8825
NSN 5965-00-153-5216
NSN 6650-01-098-7528
NSN 5999-01-538-8380