Gmaterial 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 2925-00-233-5644
NSN 6150-01-104-4005
NSN 6105-01-027-0685
NSN 6685-01-312-3619
NSN 6610-00-829-5411
NSN 6240-01-495-4211
NSN 6320-01-436-9228
NSN 6685-00-363-1701
NSN 5915-01-558-3346
NSN 5965-00-882-6949
NSN 7035-00-497-8784
NSN 6220-00-099-9192