1.1 This standard establishes environmental test methods for equipment intended for use in aerospace and ground environments as defined herein. The test methods herein shall be used to determine compliance with equipment specifications and shall not be used as design specifications.
1.2 This document is applicable to all aeronautical and ground support equipment procured by or for the Department of Defense. It supersedes prior documents issued under the authority of the respective Services where such documents conflict with the requirements herein stated.
2 NATO Stock Numbers in Federal Supply Classification 4540 (FSC 4540), part of the Other supply group. All items are available from Dibblee Industries.
| NSN | Description |
|---|---|
| 4540-00-469-6593 | Heater Immersion 35000 Btu 22 Gal Mil-h-43540 |
| 4540-00-555-8527 | Plug Filler Stl Synbol F Appl Immerions Heater 43 |
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