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 5905-01-286-2130
NSN 5998-01-417-3149
NSN 6130-00-222-5291
NSN 6105-00-419-3174
NSN 2925-01-100-3694
NSN 5920-01-398-7123
NSN 5950-01-378-1439
NSN 5935-00-339-2783
NSN 5835-01-391-4556
NSN 2925-01-531-2587
NSN 5925-01-411-6028
NSN 6130-00-952-1803