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 5935-01-244-7339
NSN 5930-00-299-7623
NSN 5996-01-430-9078
NSN 6620-01-508-6072
NSN 5895-01-364-5704
NSN 6150-00-537-4333
NSN 5895-00-816-4148
NSN 5985-00-189-0953
NSN 5999-01-407-0142
NSN 6220-01-154-0204
NSN 5925-00-819-3985
NSN 5975-00-058-7920