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: Articles of aluminum nesoi
NSN 5965-01-487-4479
NSN 6150-01-007-0749
NSN 5915-00-760-5042
NSN 6220-00-753-8593
NSN 6240-01-213-1449
NSN 6650-01-391-9315
NSN 6220-01-396-7636
NSN 6645-00-646-6631
NSN 5925-00-813-6810
NSN 5999-01-425-1377
NSN 5920-01-076-5870
NSN 5930-01-633-7912