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: Articles of aluminum nesoi
NSN 5945-01-411-6180
NSN 5935-00-730-6236
NSN 5950-00-480-7691
NSN 6150-00-381-5142
NSN 4140-00-484-4040
NSN 6105-01-176-6513
NSN 6135-01-468-6491
NSN 5895-00-007-7114
NSN 5855-00-118-8762
NSN 6685-00-547-6218
NSN 5999-01-014-6512
NSN 6610-01-204-2571