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 5975-01-428-3305
NSN 6110-01-437-0889
NSN 5950-00-925-8170
NSN 6105-01-318-0234
NSN 6685-01-026-0111
NSN 4140-01-267-0379
NSN 5960-00-099-9790
NSN 4140-01-458-5569
NSN 6135-00-477-8847
NSN 5935-01-569-3752
NSN 5965-01-260-0780
NSN 6320-01-366-5157