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 4140-01-489-6004
NSN 2925-01-037-5383
NSN 5996-01-443-2324
NSN 6620-00-565-9793
NSN 5905-00-106-9351
NSN 6240-01-396-9541
NSN 6110-01-363-8818
NSN 5945-01-498-8333
NSN 6685-01-550-1591
NSN 5920-01-360-8310
NSN 6645-01-498-5102
NSN 5835-01-519-3834