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 5950-01-450-2955
NSN 5950-01-440-5624
NSN 5945-00-798-6188
NSN 6685-01-019-4493
NSN 5945-00-149-1857
NSN 6620-01-120-7434
NSN 5985-01-039-8750
NSN 5999-01-271-8846
NSN 5920-01-281-9965
NSN 5996-00-131-6840
NSN 5895-01-496-0870
NSN 6650-00-891-7950