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 5945-00-269-5375
NSN 4140-00-828-1421
NSN 5935-00-246-5280
NSN 6645-00-460-0528
NSN 6610-01-158-7311
NSN 6220-01-483-4955
NSN 6145-00-080-9913
NSN 6150-01-044-3152
NSN 6135-00-209-6918
NSN 5985-01-092-2668
NSN 5895-01-421-4487
NSN 5999-00-269-5320