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.
NSN 4140-01-463-0172
NSN 5915-01-418-0265
NSN 6220-00-324-7474
NSN 6620-01-558-6558
NSN 6240-00-982-6748
NSN 5935-01-045-0382
NSN 5910-01-616-0611
NSN 5915-01-391-4664
NSN 5965-01-418-1760
NSN 5895-01-440-9816
NSN 5855-00-560-0110
NSN 4140-00-081-6814