MIL-PRF-25435D w/AMENDMENT 1
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
ASTM B117 - Standard Practice for Operating Salt Spray (Fog) Testing Apparatus
(ASTM documents may be obtained at www.astm.org <http://www.astm.org> or addressed to
the American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken,
PA 19428-2959.)
SAE INTERNATIONAL
SAE AS8879 - Screw Threads - UNJ Profile, Inch
Controlled Radius Root with Increased Minor Diameter
SAE AS5202 - Port or Fitting End, Internal Straight Thread
(SAE documents may be obtained at www.sae.org <http://www.sae.org/> or from Society of
Automotive Engineers, Inc., 400 Commonwealth Drive, Warrendale PA 15096.)
2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a
conflict between the text of this document and the references cited herein, the test of this
document takes precedence. Nothing in this document, however, supersedes applicable laws and
regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 First article. When specified (see 6.2), the transmitter shall be subjected to first article
inspection in accordance with 4.2.
3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or
environmentally preferable materials should be used to the maximum extent possible
provided that the materials meet or exceed the operational and maintenance requirements,
and promote economically advantageous life cycle cost.
3.3 Materials. Unless otherwise specified, materials shall be nonmagnetic, nonferrous, and shall
be compatible with titanium alloys. Materials shall not produce deleterious fumes, and shall
be treated to resist corrosion due to electrolytic decomposition, fungus, salt spray, alcohol,
fuels, oils, hydraulic fluids, and any other conditions that may be encountered during
operational use or storage. No liquid such as silicone oil is to be used to fill the transmitter
without the specific approval of the preparing activity.
3.4 Interface.
3.4.1 Dimensions. The transmitter case shall conform to the dimensions in Figure 1.
3.4.2 Pressure indicator. The transmitter shall be designed for operation with indicators
conforming to the requirements of MIL-I-25437.
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