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 6145-00-615-2019
NSN 6135-00-100-8890
NSN 5990-01-344-3708
NSN 6685-01-505-9763
NSN 5855-01-615-6200
NSN 5930-00-203-4430
NSN 5925-01-438-7598
NSN 6110-00-998-3599
NSN 5895-00-270-6595
NSN 6150-00-240-0873
NSN 5999-00-400-6148
NSN 5999-01-170-8151