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 5920-00-771-7280
NSN 7035-00-076-4097
NSN 5910-01-136-6952
NSN 4140-01-640-6637
NSN 5835-01-238-3381
NSN 6685-01-371-3050
NSN 6650-01-217-0303
NSN 6240-01-360-6213
NSN 5945-01-225-8873
NSN 5855-01-431-3531
NSN 6645-01-561-7432
NSN 5945-01-140-7518