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 5910-01-206-3987
NSN 5930-01-089-9841
NSN 5835-00-759-1109
NSN 5965-01-302-8522
NSN 5975-01-231-5668
NSN 6105-01-453-4061
NSN 7035-01-423-8343
NSN 6650-01-496-2662
NSN 5999-01-512-9178
NSN 5998-00-832-9056
NSN 5915-01-522-6170
NSN 7035-01-570-1015