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 5998-01-465-8921
NSN 5965-01-205-6249
NSN 6610-00-949-9792
NSN 5960-00-351-1439
NSN 6620-01-548-9993
NSN 6130-00-800-9153
NSN 5985-00-176-1499
NSN 5990-01-357-6175
NSN 6650-01-466-9503
NSN 5855-01-376-0363
NSN 6110-01-646-1757
NSN 4140-01-463-5194