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 plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6610-01-433-2219
NSN 4140-01-485-6172
NSN 5935-01-108-9537
NSN 6150-01-211-7032
NSN 6220-00-969-3201
NSN 6105-01-391-4920
NSN 5835-00-987-9341
NSN 6685-00-054-6713
NSN 5895-00-446-5359
NSN 6620-01-532-4147
NSN 5990-00-258-0228
NSN 6135-01-041-3829