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 6105-00-474-6969
NSN 6220-01-602-7025
NSN 5910-01-028-4436
NSN 6645-01-059-2712
NSN 6130-01-597-4070
NSN 5950-01-583-3026
NSN 5950-01-225-6773
NSN 6130-00-256-0103
NSN 6610-00-161-0680
NSN 5915-00-006-1255
NSN 6105-01-410-7634
NSN 6105-00-688-5679