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 6130-01-246-4154
NSN 6620-00-804-8272
NSN 6620-01-058-3539
NSN 6650-01-415-3332
NSN 6650-01-624-0818
NSN 4140-01-434-6292
NSN 6620-01-114-0841
NSN 5996-00-107-5357
NSN 6240-00-054-3661
NSN 5905-01-152-2580
NSN 5910-01-202-7478
NSN 5990-00-704-9787