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 5950-01-163-3101
NSN 5895-01-047-0233
NSN 5920-01-182-1545
NSN 5985-00-462-5792
NSN 5950-01-239-6498
NSN 6135-01-621-4927
NSN 5930-00-486-6166
NSN 6610-00-186-9180
NSN 5855-01-286-9928
NSN 5996-01-463-3152
NSN 5855-01-128-1762
NSN 6685-00-108-6374