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 5925-01-110-1918
NSN 5930-01-464-0583
NSN 7035-00-369-6346
NSN 6145-01-490-0423
NSN 6685-01-429-8298
NSN 5985-01-644-3789
NSN 5996-01-542-8276
NSN 5855-01-612-3668
NSN 6645-01-509-7326
NSN 6620-00-450-5703
NSN 6220-01-504-9892
NSN 6240-01-453-3198