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 5985-01-347-6629
NSN 6145-01-521-4484
NSN 2925-01-426-3410
NSN 4140-01-322-7080
NSN 5920-01-104-4332
NSN 5960-01-279-2589
NSN 5915-00-186-0463
NSN 5930-00-943-4957
NSN 5915-00-955-0547
NSN 6685-01-396-0306
NSN 2925-01-391-1540
NSN 5855-00-494-9581