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 5999-01-276-3028
NSN 5998-01-077-3756
NSN 5855-00-906-5386
NSN 5925-01-018-6845
NSN 5990-01-606-1873
NSN 5998-01-519-3947
NSN 6650-00-021-2467
NSN 5895-01-213-5976
NSN 5905-00-877-8219
NSN 6150-00-518-1402
NSN 6620-00-155-2608
NSN 6150-01-056-2095