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 5905-00-787-2749
NSN 5985-01-211-8752
NSN 5835-01-346-1386
NSN 5945-01-166-9998
NSN 6150-01-188-4111
NSN 2925-01-632-3384
NSN 5945-01-017-6015
NSN 5835-00-491-3834
NSN 6610-00-358-1905
NSN 6220-00-505-1599
NSN 6130-01-248-8234
NSN 5985-01-459-8010