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 5990-00-539-7859
NSN 6145-01-518-3411
NSN 5950-01-651-3509
NSN 6150-01-439-2608
NSN 6145-01-037-4721
NSN 4140-01-600-9879
NSN 2925-01-139-7106
NSN 5835-01-584-8538
NSN 5920-01-044-5621
NSN 5999-01-179-0704
NSN 5835-00-438-4489
NSN 6145-01-202-3539