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 6620-01-543-3866
NSN 5910-01-424-2320
NSN 5925-00-886-5440
NSN 5945-01-272-9579
NSN 5920-01-411-5512
NSN 4140-01-089-9724
NSN 5950-00-038-4303
NSN 6320-01-371-3047
NSN 6220-01-572-4548
NSN 5910-01-323-5341
NSN 6620-01-168-8244
NSN 4140-00-973-8185