Ch-47 helicopter
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.
NSN 6105-01-229-7384
NSN 5930-01-257-2589
NSN 5835-00-130-6404
NSN 6610-01-567-7242
NSN 6150-01-346-6960
NSN 5999-01-377-7187
NSN 6220-00-785-8525
NSN 5910-01-214-5483
NSN 6610-01-361-4193
NSN 5999-01-236-7375
NSN 5960-01-476-5686
NSN 5905-01-428-9660