MIL-DTL-9395/31E
REQUIREMENTS:
Dimensions, weight, and electrical schematic: See figure 1.
Materials: All external parts including pressure port, housing, and electrical connector shall be
fabricated from corrosion-resistant (stainless) steel suitable for welding. External parts shall be joined
by welding; solder joints shall not be allowed.
Calibration: See tables I, II, III, and IV.
Proof pressure: 4,500 lbf/in2. The electrical chamber shall withstand 4500 lbf/in2 without rupture.
System pressure: 3,000 lbf/in2.
Burst pressure: 7,500 lbf/in2.
Electrical ratings:
Operating voltage: 28 V dc.
Current rating: 5 amperes resistive.
2 amperes inductive.
Seal:
Pressure chamber: Media proof. Subject switches to proof pressure for 2 minutes using hydraulic
fluid in accordance with MIL-PRF-6083 with chamber pressure continuously being monitored. Isolate
the chamber at proof pressure, with the chamber disconnected from the pressure source. Under that
condition, the pressure shall not drop more than 5 lbf/in2 for the first 30 seconds to allow for
stabilization of test equipment. No pressure loss is allowed thereafter for the remainder of the 2
minutes.
Electrical chamber: See table I.
Electrical connector: See figure 1.
Pressure port: See figure 1.
Media: Hydraulic fluid in accordance with MIL-DTL-5624 or MIL-PRF-83282; fuel in accordance with
MIL-DTL-5624; lubricating oil in accordance with MIL-PRF-7808.
High temperature (operating and nonoperating): B (+275°F).
Low temperature (operating and nonoperating): D (-65°F).
Altitude: C (except 80,000 feet).
Shock: C (100 g).
Vibration: S (test condition D, method 204 of MIL-STD-202).
Life (mechanical): A (100,000 cycles).
Life (electrical): C (50,000 cycles).
Acceleration: C (8 g).
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