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 aluminum nesoi
NSN 5905-01-410-8694
NSN 5998-01-344-7890
NSN 6220-00-239-0302
NSN 5990-01-588-3999
NSN 5895-01-276-8161
NSN 5930-00-890-5811
NSN 6240-01-437-4936
NSN 6220-01-175-7360
NSN 5855-01-396-0258
NSN 6240-01-525-6585
NSN 6685-01-551-9548
NSN 6150-01-284-8777