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 5990-00-617-1422
NSN 6645-01-413-3965
NSN 5945-01-199-0269
NSN 6240-01-143-8976
NSN 5985-01-507-9146
NSN 5925-00-736-0425
NSN 6645-00-226-2270
NSN 5925-01-529-3959
NSN 5915-00-947-6551
NSN 6685-01-072-7722
NSN 5930-01-359-9053
NSN 5999-01-147-0104