A-A-59420, COMMERCIAL ITEM DESCRIPTION: SHRINKING AND STRETCHING MACHINE, SHEET METAL (28 SEP 1999) [SUPERSEDES MIL-S-45860D]

A-A-59420, COMMERCIAL ITEM DESCRIPTION: SHRINKING AND STRETCHING MACHINE, SHEET METAL (28 SEP 1999) [SUPERSEDES MIL-S-45860D]., The General Services Administration has authorized the use of this commercial item description in preference to MIL-S-45860D for all federal agencies. This commercial item description (CID) covers shrinking and stretching machines for forming sheet metal, angles, flatbars, and plates with equipment and accessories specified herein. These machines are used by aircraft manufacturers, fabricators, and the sheet metal trade to shrink and stretch flats, angles, plates, and extrusions for forming, fitting, and removing wrinkles.