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 6150-01-217-2356
NSN 4140-01-108-9084
NSN 4140-01-451-4180
NSN 6220-01-069-3685
NSN 2925-00-241-5244
NSN 6685-00-065-6947
NSN 6320-01-352-5653
NSN 5930-00-400-4791
NSN 5965-00-484-8236
NSN 6240-01-155-2959
NSN 5996-01-372-4534
NSN 5905-01-463-4904