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 5905-01-391-4983
NSN 2925-01-654-4621
NSN 6320-01-449-1014
NSN 5998-01-647-0937
NSN 5960-01-317-3202
NSN 5910-01-076-2310
NSN 5935-00-915-6417
NSN 5910-01-045-5587
NSN 6110-01-384-3913
NSN 5965-00-594-3115
NSN 6620-01-211-9063
NSN 6145-01-517-3714