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: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
NSN 5960-00-133-2475
NSN 5915-01-521-2953
NSN 5935-01-189-0187
NSN 5905-01-214-3066
NSN 6685-01-231-9583
NSN 5930-01-272-4981
NSN 5915-01-380-0657
NSN 6320-01-160-8578
NSN 5999-01-046-4684
NSN 6650-01-183-0711
NSN 6150-00-493-5098
NSN 6645-01-305-1124