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 6685-01-252-6418
NSN 6150-01-148-0050
NSN 5998-01-334-9904
NSN 5965-01-292-0035
NSN 4140-01-644-0927
NSN 5855-00-411-8688
NSN 6240-01-384-3887
NSN 6620-00-182-7638
NSN 5996-01-426-8531
NSN 5895-01-629-2161
NSN 5998-01-593-7466
NSN 5975-00-008-5772