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 5998-01-433-5863
NSN 5920-00-246-5992
NSN 5915-01-339-2743
NSN 5915-01-271-1767
NSN 6320-01-429-9871
NSN 6610-01-574-9829
NSN 6610-00-482-2265
NSN 5915-01-387-2751
NSN 4140-01-219-9700
NSN 5990-01-328-2385
NSN 5960-01-034-0408
NSN 6685-00-069-4987