[INCH-POUND]
A-A-50437
20 March 1991
COMMERCIAL ITEM DESCRIPTION
EXOTHERMIC CUTTING RODS FOR USE IN
PORTABLE EXOTHERMIC CUTTING UNIT (PECU)
The General Services Administration has authorized the use of this commercial item description.
This Commercial Item Description covers the classification of exothermic torch cutting rods which shall be provided for the Portable Exothermic Cutting Unit (PECU), NSN No. 1H 4240-01-272-3841.
Salient characteristics:
DESCRIPTION: Exothermic cutting rods are of tubular construction, made of carbon steel, and are designed to fit into exothermic torch handle. The exothermic burning reaction begins when pressurized oxygen is passed through the rod and begins when pressurized oxygen is passed through the rod and ignited by a spark from a 12 volt ignition source. The ignited oxygen and carbon steel rod consume themselves as the fuel and create a flame (without a welding power supply or explosive fuel gases) that generates temperatures sufficient to cut materials such as steel, stainless steel, aluminum, cast iron and concrete and various non-metallic materials.
1. Sizes. Two sizes of exothermic torch cutting rods shall be provided for the Portable Exothermic Cutting Unit (PECU), NSN No. 1H 4240-01-272-3841.
1/4 ()+.003/-.001) inches diameter by 22 (± .25) inches long 6.50 (+ .076 - .025) millimeters diameter by 56 (±.5) centimeters long
3/8 (.375/+.003 - .001) inches diameter by 36 inches (± .1/4) long 1 centimeter (+.076 - .025) diameter by 90 (±.5) centimeters long.
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Beneficial comments, (recommendations, additions, deletions,) and any pertinent data which may be used in improving this document should be addressed to: Commander, Naval Sea Systems Command, Code SEA-5523 Department of the Navy, Washington, D.C. 20362-5101, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. |
DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.
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