Ch-47d, helicopter, cargo-transport
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 2925-01-175-1217
NSN 6620-00-992-1537
NSN 5975-00-826-6648
NSN 5935-01-052-7318
NSN 6135-01-186-4010
NSN 5895-01-567-0822
NSN 6240-01-050-7537
NSN 5920-01-423-8595
NSN 5996-00-146-3726
NSN 5990-01-314-8591
NSN 5905-01-300-5884
NSN 5910-00-051-5732