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 aluminum nesoi
NSN 5905-01-561-7353
NSN 4140-00-851-2552
NSN 5905-00-319-4689
NSN 2925-01-463-8856
NSN 6145-01-373-3614
NSN 5835-01-332-2867
NSN 5920-00-004-0274
NSN 5905-01-077-9885
NSN 6135-00-542-6216
NSN 5996-01-386-6394
NSN 6145-00-291-5388
NSN 6685-01-330-2059