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 4140-00-361-4691
NSN 6130-01-631-8460
NSN 6145-00-838-0655
NSN 6320-01-278-2359
NSN 6220-01-605-6609
NSN 5950-00-957-6559
NSN 5905-00-608-7755
NSN 5960-00-285-0517
NSN 6145-01-592-2722
NSN 5925-00-892-9932
NSN 5960-01-425-1454
NSN 5835-00-931-5568