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 5975-01-461-1776
NSN 6150-01-093-6301
NSN 5975-01-357-7622
NSN 5990-01-084-0807
NSN 5915-00-394-6523
NSN 5960-01-372-3290
NSN 5975-01-265-4082
NSN 7035-01-579-9858
NSN 6645-00-772-0532
NSN 6220-01-406-3167
NSN 5910-00-173-5874
NSN 5998-01-181-7458