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 5990-01-303-9920
NSN 5950-00-679-9539
NSN 5950-01-271-4819
NSN 6130-01-535-1503
NSN 4140-01-087-0359
NSN 5925-01-182-4747
NSN 6240-01-602-1567
NSN 5985-01-275-7323
NSN 5855-00-779-2854
NSN 5996-01-502-2907
NSN 6610-01-529-1321
NSN 6105-01-236-5290