Flight safety critical aircraft part
A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).
Classification: Articles of aluminum nesoi
NSN 5985-01-291-5548
NSN 6220-00-104-5365
NSN 5905-01-413-0724
NSN 5950-01-415-5752
NSN 6650-01-651-9502
NSN 5950-01-562-4658
NSN 6685-01-246-7014
NSN 6145-01-044-6666
NSN 5999-01-472-3025
NSN 6240-01-370-4486
NSN 6105-00-692-4468
NSN 5960-01-365-8752