MIL-PRF-39018/4E
Vibration:
*
Low frequency: In accordance with MIL-PRF-39018.
Thermal shock and immersion:
Thermal shock: Method 107 of MIL-STD-202, condition A.
Immersion: Method 104 of MIL-STD-202, condition B (2 cycles, 30 minutes each).
DCL: See table I.
ĆCap.: Within ±5 percent of initial measured value.
ESR: See table I.
Case insulation: Shall meet initial requirement.
Surge voltage:
DCL: See table I.
ĆCap.: Within ±6 percent of initial measured value.
ESR: See table I.
Vent: In accordance with MIL-PRF-39018.
Moisture resistance: Method 106 of MIL-STD-202.
DCL: See table I.
ĆCap: Within ±6 percent of initial measured value.
ESR: See table I.
Case Insulation: Shall meet initial requirement.
High temperature exposure (500 hours at +85°C):
DCL: Not more than 200 percent of initial requirement.
ĆCap.: Within ±10 percent of initial measured value.
ESR: Not more than 115 percent of initial requirement.
Reverse voltage aging: In accordance with MIL-PRF-39018.
Marking: In accordance with MIL-PRF-39018.
Part or Identifying Number (PIN): M39018/04- (Dash number from table I).
APPLICATION NOTE:
Torque: The minimum and maximum torque applied to the steel screw/aluminum insert shall be as follows:
Min
Max
With a minimum of 3 engaged threads - - - - - - - - - 12 pound-inches
18 pound-inches
With a minimum of 6 engaged threads - - - - - - - - - 20 pound-inches
25 pound-inches
NOTES:
Reference document. MIL-PRF-39018.
Changes from previous issue. The margins of this specification are marked with asterisks to indicate where changes
from the previous issue were made. This was done as a convenience only and the Government assumes no liability
whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the
requirements of this document based on the entire content irrespective of the marginal notations and relationship to
the last previous issue.
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