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: Articles of aluminum nesoi
NSN 6110-00-225-9021
NSN 6145-01-224-7228
NSN 5915-01-532-6995
NSN 5990-01-370-7912
NSN 6135-01-608-3470
NSN 5835-00-264-0946
NSN 5945-00-520-8193
NSN 5999-01-390-4265
NSN 5965-01-189-2421
NSN 6685-01-164-4901
NSN 5985-01-492-6331
NSN 5960-01-471-8201