Hmaterial info: 7075-t73, -t7310 or -t7311 aluminum in accordance with either sae-ams-qq-a-200/11 or astm b221; or 7075-t7351 or -t73 aluminum in accordance with either sae-ams-qq-a-250/12 or astm b209
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 6320-01-123-2476
NSN 5855-01-472-8320
NSN 6135-00-377-9165
NSN 6610-01-505-6767
NSN 6650-00-115-6654
NSN 6240-00-342-9756
NSN 5930-01-254-8209
NSN 5910-00-238-0887
NSN 5855-01-406-4821
NSN 5855-01-301-0158
NSN 5985-01-592-4347
NSN 5855-00-610-4052