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 6650-01-172-0198
NSN 5998-01-054-4898
NSN 6685-01-188-7379
NSN 5915-00-493-4374
NSN 2925-01-290-8208
NSN 5998-00-230-0522
NSN 6645-01-466-0185
NSN 6220-00-101-8799
NSN 6320-01-387-8099
NSN 6220-01-573-6204
NSN 5925-01-336-1928
NSN 2925-00-463-1282