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 5975-01-314-1297
NSN 6620-01-217-1490
NSN 5985-01-530-6545
NSN 5910-00-452-9776
NSN 6145-01-453-4388
NSN 5915-01-611-8113
NSN 5930-01-430-2302
NSN 5855-00-631-4565
NSN 5905-01-075-6072
NSN 5975-00-438-3168
NSN 6610-01-483-5258
NSN 5960-01-437-7422