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 5930-01-323-4579
NSN 6145-01-167-8366
NSN 5975-01-081-5095
NSN 6145-01-112-9285
NSN 5960-01-244-1969
NSN 5996-00-053-2786
NSN 5998-01-366-8157
NSN 5855-01-147-4785
NSN 5996-01-173-1537
NSN 5990-01-453-3552
NSN 5835-01-116-2369
NSN 6220-01-069-3685