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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 6130-01-054-3234
NSN 5975-00-600-5847
NSN 5935-01-300-5666
NSN 5895-00-071-3994
NSN 4140-01-320-7527
NSN 5998-01-431-2199
NSN 5996-01-295-6499
NSN 5915-01-543-0632
NSN 6620-00-096-6306
NSN 6685-01-370-4238
NSN 5985-01-608-5983
NSN 2925-01-094-4771