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 5925-00-446-2464
NSN 5998-00-097-0539
NSN 6240-01-506-2059
NSN 6685-01-077-7317
NSN 6610-01-559-5073
NSN 5965-01-367-9357
NSN 5930-01-505-4290
NSN 6135-01-534-3007
NSN 5965-01-260-2547
NSN 6110-01-034-6090
NSN 5945-00-517-7184
NSN 6150-01-032-4161