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 6150-01-283-1860
NSN 6320-01-185-3857
NSN 6320-01-466-4175
NSN 6610-01-433-2219
NSN 6145-01-624-6480
NSN 5905-01-482-5066
NSN 5930-01-377-7908
NSN 2925-01-464-3093
NSN 5965-00-762-0630
NSN 6620-00-824-4609
NSN 5925-00-840-5393
NSN 6135-01-428-8821