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 5999-00-864-8905
NSN 6135-00-152-8729
NSN 5835-01-227-4752
NSN 5855-00-548-4742
NSN 5910-01-305-5189
NSN 5950-00-208-6812
NSN 5935-01-501-9963
NSN 5895-01-529-3097
NSN 5950-00-526-0658
NSN 5965-01-607-0632
NSN 5950-00-946-9297
NSN 5910-00-532-2927