MIL-PRF-62413B(AT)
4.4.7.9 Shock.
4.4.7.9.1 Gun firing shock. To determine conformance to 3.5.9.1, the pickup shall be
tested as follows: When normally mounted and while powered, subject the pickup to 3 shocks of
100±10 g for 1.5±0.2 ms along each of 3 mutually perpendicular axes (a total of 18 shocks).
4.4.7.9.2 Ballistic shock. To determine conformance to 3.5.9.2, the pickup shall be
tested as follows: When normally mounted and while powered, subject the pickup to 3 half sine
wave shock pulses of 200±20 g along each of 3 mutually perpendicular axes (a total of
18 shocks).
4.4.7.9.3 Basic shock. To determine conformance to 3.5.9.3, the pickup shall be tested
as follows: When normally mounted and while powered, subject the pickup to 3 half sine wave
shock pulses of 40 g for 18 ms along each of 3 mutually perpendicular axes (a total of
18 shocks).
4.4.7.10 Submergence. To determine conformance to 3.5.10, the pickup shall be
completely submerged in the fluids specified in 3.5.7. The duration of submergence shall be
2 hours to insure total submergence of the pickup. The pressure of the fluid shall be maintained
at 345 kPa (50 psig).
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as
specified in the contract or order (see 6.2). When packaging of materiel is to be performed by
DoD or in-house contractor personnel, these personnel need to contact the responsible packaging
activity to ascertain packaging requirements. Packaging requirements are maintained by the
Inventory Control Point s packaging activities within the Military Service or Defense Agency, or
within the military service s system commands. Packaging data retrieval is available from the
managing Military Department s or Defense Agency s automated packaging files, CD-ROM
products, or by contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is
not mandatory.)
6.1 Intended use. The pickup covered by this specification is intended to be used to
generate signals reflecting the two rotor speeds within the AGT 1500 gas turbine engine of the
M1 tank.
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