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 5910-01-180-1319
NSN 6220-00-689-8114
NSN 5930-00-607-0148
NSN 5920-01-014-3939
NSN 5965-00-630-7872
NSN 5999-00-217-1011
NSN 5965-01-600-4129
NSN 5930-01-366-8188
NSN 5920-01-391-1269
NSN 6610-00-798-8562
NSN 2925-01-193-6689
NSN 4140-01-247-4837