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 5996-01-275-0831
NSN 5920-00-302-5168
NSN 4140-00-115-0830
NSN 5925-01-458-5096
NSN 6135-00-452-2266
NSN 6645-00-654-8804
NSN 5895-01-391-9486
NSN 5925-01-048-4097
NSN 6645-01-550-9669
NSN 5950-01-347-5837
NSN 5950-00-150-4772
NSN 5895-01-364-4172