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 5975-01-271-4682
NSN 5998-00-558-2672
NSN 6150-01-176-0221
NSN 5835-01-383-1313
NSN 5975-01-460-3236
NSN 2925-01-259-7092
NSN 5915-01-283-9538
NSN 5990-00-212-4316
NSN 7035-01-422-9483
NSN 7035-00-020-2227
NSN 5975-01-270-1429
NSN 5910-01-241-2668