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.
NSN 5999-00-903-1606
NSN 6685-00-880-1900
NSN 5925-01-294-5106
NSN 6150-01-394-5701
NSN 6685-01-072-0858
NSN 5996-01-178-3849
NSN 5835-00-253-3453
NSN 6645-00-476-7176
NSN 6240-01-318-1522
NSN 5950-00-592-5193
NSN 6685-01-091-5721
NSN 4140-00-835-7073