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 6105-00-246-5311
NSN 6135-01-389-8289
NSN 5950-01-306-3286
NSN 5975-01-485-2385
NSN 5920-01-523-3231
NSN 6610-01-643-6652
NSN 2925-01-385-6661
NSN 4140-00-390-5822
NSN 5855-01-357-7907
NSN 5960-00-215-5884
NSN 6610-01-515-9712
NSN 5965-00-815-2525