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 5925-01-596-0292
NSN 5935-01-361-9200
NSN 5965-01-633-8849
NSN 6145-01-023-3596
NSN 6645-01-152-1092
NSN 5990-00-488-1091
NSN 6645-01-059-2712
NSN 5905-00-782-4572
NSN 6130-00-481-2937
NSN 6645-00-256-4072
NSN 6685-00-221-4435
NSN 5905-01-363-4151