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 nickel, nesoi (excluding cloth, grill & netting of nickel wire)
NSN 6240-01-307-3957
NSN 5910-00-258-8383
NSN 6135-00-935-8769
NSN 2925-00-323-7394
NSN 5998-01-644-9463
NSN 5990-01-068-1651
NSN 5855-01-654-8603
NSN 5999-01-496-7952
NSN 6685-01-345-2716
NSN 5905-01-581-8615
NSN 5915-00-182-8068
NSN 5965-00-217-2476