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 5895-01-056-4548
NSN 5925-01-421-4473
NSN 5945-00-964-4864
NSN 5930-00-137-8920
NSN 6610-01-379-8524
NSN 5960-00-469-4654
NSN 5945-00-666-4700
NSN 5990-01-501-5409
NSN 5985-01-461-3113
NSN 5950-01-592-2121
NSN 5960-01-481-3722
NSN 5910-00-985-5185