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 5960-01-481-8051
NSN 5910-01-549-1822
NSN 6685-01-400-2945
NSN 7035-01-364-8454
NSN 5855-01-133-3587
NSN 5985-01-231-3152
NSN 5930-00-477-7389
NSN 6320-01-125-3361
NSN 5990-01-252-8175
NSN 6150-00-824-8626
NSN 6650-01-094-6876
NSN 5985-00-856-7693