MIL-DTL-9395/40C
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. If a vent is not used, the electrical chamber shall withstand 4500 lbf/in2
without rupture.
System pressure: 3,000 lbf/in2.
Burst pressure: 7,500 lbf/in2.
Vent port leakage:
Leakage rate: Shall not exceed .15 cubic centimeters in 250 cycles.
Electrical ratings: See table I.
Minimum current: 25,000 cycles.
Low level: 50,000 cycles
NOTE: Switches shall be subjected only to low level loads prior to delivery.
Seal:
Pressure chamber: Media proof, except leakage of .15 cubic centimeters (maximum) in 250 cycles is
allowed.
Electrical chamber: Hermetic.
Pressure port: See figure 1.
Media: Hydraulic fluid IAW MIL-PRF-6083 or MIL-PRF-83282.
High temperature (operating and nonoperating): B (+275°F).
Low temperature (operating and nonoperating): D (-65°F) ambient; and (-40°F) fluid.
Altitude: C (70,000 ft).
Shock: C (100 G).
Vibration: S (test condition D, method 204 of MIL-STD-202, except 10 to 2,000 Hz, 10 G).
Life (mechanical): F (50,000 cycles).
Life (electrical): B (25,000 cycles).
Acceleration: C (8 G).
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