 |
|||
|
|
|||
| ||||||||||
|
|  MIL-F-70673 (AR)
4.6.4 Low temperature. The M442 Fuze shall be subjected to
and pass low temperature environment in accordance with Low
Temperature Procedure I at - 25F, Method 502, of MIL-STD-810 with
the exception that the time of exposure to temperature shall be a
minimum of four (4) hours. The fuze shall be armed and fired in
accordance with 4.5 within 5 minutes of removal from extreme
The expulsion delay time shall be obtained for
temperature.
informational purposes only. Any fuze that fails to function, or
fails to shear the pins, shall be classed defective and handled
with an approved safety method to prevent injury.
4.6.5 High temperature. The M442 Fuze shall be subjected to
and pass high temperature environment in accordance with High
Temperature Procedure I at 140F, Method 501, of MIL-STD-810 with
the exception that the time of exposure to temperature shall be a
minimum of four (4) hours. The fuze shall be armed and fired in
accordance with 4.5 within 5 minutes of removal from extreme
The expulsion delay time shall be obtained for
temperature.
informational purposes only. Any fuze that fails to function, or
fails to shear the pins, shall be classed defective and handled
with an approved safety method to prevent injury.
4.6.6 Five-foot drop. A random sample of six (6) M442 Fuzes
shall be selected and subjected to the test as specified in MIL-
STD-331 with the following conditions.
a. The fuze will be assembled into simulated M257 Flare
Warhead, inert loaded, as described in Figures 1 and 2 and with
impact orientation of the warhead for the drop test as follows:
(1) Major axis 45 from vertical nose down
Major axis vertical nose down
(2)
Three (3) fuzes each must be dropped in each of the above
No fuze shall be subjected to more than one drop.
orientations.
If one or more fuzes are found to be in an unsafe condition after
the test, the lot shall be rejected.
b. Acceptable fuzes from the five-foot drop test shall be
subjected to the fuze function test specified in 4.5. Any fuze
that fails to comply with the requirements specified in 4.5 shall
be classed defective.
16
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals