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 5910-01-573-6538
NSN 5965-01-592-2436
NSN 5855-00-301-1176
NSN 6685-00-419-0643
NSN 5835-01-163-4215
NSN 5935-00-831-3539
NSN 5950-00-045-7581
NSN 5999-00-961-6159
NSN 5895-01-214-4808
NSN 6620-01-131-3201
NSN 5985-01-411-8072
NSN 6610-01-461-8180