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 4140-00-181-3547
NSN 5925-01-415-6551
NSN 5990-00-900-4459
NSN 5999-01-333-4845
NSN 5920-00-294-0753
NSN 6105-01-359-3886
NSN 2925-00-450-7783
NSN 5998-00-223-9806
NSN 6685-01-634-0611
NSN 5905-01-167-0807
NSN 6620-01-020-4526
NSN 5965-01-046-9619