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 6145-01-378-8749
NSN 5910-00-983-4084
NSN 5998-01-381-0447
NSN 4140-00-862-5644
NSN 6220-01-239-3423
NSN 6150-01-275-6163
NSN 5910-00-258-8383
NSN 5835-01-654-1251
NSN 5985-01-220-9546
NSN 5975-01-235-7489
NSN 5930-01-619-8845
NSN 5990-01-254-3197