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 5920-00-545-9064
NSN 5990-01-209-3955
NSN 5855-01-561-0057
NSN 6650-00-937-4401
NSN 5930-00-850-5202
NSN 6240-01-181-4474
NSN 6610-01-117-7130
NSN 6220-01-438-4459
NSN 5945-00-008-8700
NSN 6320-00-336-9123
NSN 6620-01-376-2150
NSN 5945-01-344-4026