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: Articles of paper pulp, paper, paperboard, cellulose wadding or webs of cellulose fibers, nesoi
NSN 5990-00-185-9586
NSN 5915-00-824-6310
NSN 5855-00-198-3197
NSN 5996-01-408-3511
NSN 5998-00-419-0425
NSN 5895-00-816-9763
NSN 6620-00-189-0967
NSN 5855-00-973-5717
NSN 5950-00-274-2279
NSN 5990-01-357-6175
NSN 5925-01-335-7098
NSN 6645-00-137-1167