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 6145-00-209-5657
NSN 5945-00-547-6801
NSN 5910-01-513-2713
NSN 5855-01-623-5575
NSN 6610-01-300-1789
NSN 5915-01-444-8938
NSN 4140-01-507-3172
NSN 5855-01-281-6689
NSN 6220-01-128-9598
NSN 6240-00-957-5724
NSN 6110-00-988-2400
NSN 6240-01-448-5273