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 6685-01-323-5272
NSN 4140-01-101-2422
NSN 5998-00-837-0709
NSN 6320-00-468-8421
NSN 6105-00-088-5080
NSN 5835-01-463-2334
NSN 5895-00-583-8339
NSN 5960-00-009-8082
NSN 6150-01-190-0624
NSN 5935-00-575-4475
NSN 6145-01-436-2146
NSN 5985-01-378-5941