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 2925-01-556-0333
NSN 5920-01-294-7511
NSN 5905-01-139-2026
NSN 6110-01-212-5909
NSN 6150-00-229-5822
NSN 6105-00-099-8818
NSN 5985-01-455-4489
NSN 5996-01-199-7494
NSN 5990-01-294-6198
NSN 5960-00-813-1526
NSN 6620-01-510-3501
NSN 6150-01-534-7757