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 5920-00-165-0390
NSN 6150-00-554-6163
NSN 5920-01-596-6418
NSN 6150-00-751-9173
NSN 5935-01-116-3717
NSN 6685-01-559-1745
NSN 5945-01-551-1250
NSN 5985-00-275-2830
NSN 6650-01-599-9849
NSN 5925-01-223-3729
NSN 5855-01-167-2162
NSN 7035-01-553-2011