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 6645-01-485-6536
NSN 6685-00-517-7132
NSN 5910-01-485-1034
NSN 5998-01-599-8676
NSN 2925-00-735-4979
NSN 6130-01-603-3080
NSN 5999-01-458-8369
NSN 6145-01-456-5322
NSN 6685-00-936-9852
NSN 6320-01-283-1300
NSN 5925-01-498-9068
NSN 6135-00-862-5736