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: Other articles of iron or steel not wire nesoi
NSN 5975-01-588-2545
NSN 5910-01-043-6909
NSN 5998-00-235-7030
NSN 6150-01-144-4738
NSN 5905-01-500-1570
NSN 6685-01-527-1092
NSN 6130-00-496-8812
NSN 5905-01-555-4357
NSN 4140-00-391-0879
NSN 5835-01-245-8077
NSN 6145-00-050-6723
NSN 5910-01-425-1185