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 6145-01-193-9742
NSN 6645-01-660-3097
NSN 7035-01-477-3037
NSN 5905-01-032-5526
NSN 6240-01-458-2140
NSN 5990-00-852-2369
NSN 5945-01-082-2771
NSN 5999-00-082-3701
NSN 5985-00-116-8450
NSN 5999-00-313-9186
NSN 2925-01-201-3043
NSN 6135-01-525-6979