SAE AMS4048R PDF
This specification covers an aluminum alloy in the form of sheet and plate 0.008 to 1.000 inch (0.20 to 25.40 mm), inclusive, in thickness, clad on two sides, supplied in the annealed (O) condition. When specified, product shall be supplied in the “as fabricated” (F) temper (see 8.6).
The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has been specified, the last published issue of that document shall apply.