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 6240-01-271-2222
NSN 6620-01-344-9355
NSN 6145-00-912-2616
NSN 5999-01-563-7262
NSN 6150-01-100-4337
NSN 5990-01-626-3840
NSN 5855-00-411-8688
NSN 7035-01-644-5251
NSN 5965-00-884-2344
NSN 6240-01-324-9925
NSN 5960-01-250-3478
NSN 5960-01-272-9600