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 6240-00-822-4571
NSN 5925-00-186-8669
NSN 5910-00-959-6889
NSN 5999-00-178-9889
NSN 6130-01-151-1397
NSN 5935-00-439-5773
NSN 4140-00-393-1707
NSN 4140-00-144-6833
NSN 4140-01-350-3277
NSN 6145-00-141-8095
NSN 5935-01-545-2295
NSN 6145-01-210-3230