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 5975-00-181-5825
NSN 6135-01-502-5787
NSN 6645-01-096-4270
NSN 6110-00-361-6510
NSN 5935-01-280-5476
NSN 6645-00-494-3065
NSN 6610-01-005-5832
NSN 5985-00-177-8635
NSN 6130-01-092-6847
NSN 6110-01-474-1908
NSN 5975-00-633-8532
NSN 2925-00-126-2879