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 7035-01-478-5922
NSN 5925-01-461-3594
NSN 5945-01-323-1163
NSN 6685-01-230-8676
NSN 5999-00-845-2575
NSN 6135-01-096-1452
NSN 6620-00-233-6839
NSN 6135-00-948-7061
NSN 5915-00-737-6207
NSN 2925-00-858-0949
NSN 5975-01-436-0630
NSN 6135-01-079-7852