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 6645-01-645-4291
NSN 5998-01-306-3857
NSN 6240-00-538-0920
NSN 6610-01-266-0880
NSN 5895-00-132-4207
NSN 5910-01-541-9812
NSN 5855-01-210-7636
NSN 5855-00-361-0167
NSN 6135-00-962-4111
NSN 6145-00-278-0697
NSN 6645-01-398-2505
NSN 5905-01-519-2516