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 6610-00-261-8159
NSN 5965-01-609-6798
NSN 5935-01-338-5909
NSN 6650-01-217-0303
NSN 6145-01-459-4472
NSN 6150-00-079-1101
NSN 6145-01-129-1687
NSN 5996-01-090-9751
NSN 4140-01-464-9837
NSN 7035-00-507-5380
NSN 5965-01-359-8172
NSN 5905-00-511-2100