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 5915-01-139-3604
NSN 5985-01-657-5392
NSN 6105-01-381-4589
NSN 5910-00-160-4871
NSN 4140-01-290-5230
NSN 6150-01-155-5657
NSN 6620-01-304-4747
NSN 5855-01-115-9014
NSN 6320-01-066-1766
NSN 2925-01-400-2286
NSN 5895-01-607-6304
NSN 5999-00-111-2399