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 4140-00-779-4876
NSN 6645-01-233-1131
NSN 6220-01-455-2977
NSN 6110-00-663-4054
NSN 7035-00-408-8170
NSN 5935-00-822-7334
NSN 5915-01-381-0184
NSN 5960-01-199-1157
NSN 5996-01-544-7773
NSN 5985-00-812-2402
NSN 6620-00-251-0569
NSN 5945-01-522-0008