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 2925-01-547-4565
NSN 4140-01-369-2959
NSN 5965-01-548-3159
NSN 5930-00-959-6346
NSN 6135-00-715-4001
NSN 5999-01-263-3657
NSN 2925-00-964-7128
NSN 6620-01-285-0302
NSN 6610-00-473-5046
NSN 5915-00-870-4654
NSN 5855-01-476-4219
NSN 6110-01-239-0573