MIL-DTL-48554B
10558252
-
Test Fixture
11747952
-
Adapter, Torque
11747953
-
Adapter, Torque
11747954
-
Adapter, Torque
11747955
-
Adapter, Torque
11747975
-
Gage, Interchangeability, Maximum
12984713
-
Telescope, Panoramic: M137A2
12984775
-
Telescope, Panoramic: M137A3
(Copies of these drawings may be requested online at
pica.drawing.request@conus.army.mil or from U.S. Army ARDEC, ATTN: RDAR-EIS-
PE, Picatinny, NJ 07806-5000)
2.3 Order of precedence. Unless otherwise noted herein or in the contract, in the
event of a conflict between the text of this document and the references cited herein, the
text of this document takes precedence. Nothing in this document, however, supersedes
applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample shall be subjected to first
article inspection in accordance with 4.2.
3.2 Conformance. A sample shall be subject to conformance inspection in
accordance with 4.3.
3.3 Environmental.
3.3.1 Storage temperature. The telescope shall show no evidence of physical
damage or failure when thermally stabilized at temperatures of +160 ± 5 °F (+71 ± 3 °C)
and -60 ± 5 °F (-51 ± 3 °C) for a period of not less than 4 hours at each temperature. Upon
return to and stabilization at standard ambient temperature, +60 °F to +90 °F (+16 °C to
+32 °C), the telescope shall meet the requirements of 3.4 through 3.19 inclusive.
3.3.2 Operating temperature. The telescope shall meet the requirements of 3.8.1
through 3.15 inclusive while exposed and thermally stabilized at temperatures of +145 ± 5
°F (+63 ± 3 °C) and -50 ± 5 °F (-46 ± 3 °C) for a period of not less than 4 hours at each
temperature.
3.3.3 Shock. The telescope shall withstand a total of 75 shock impulses along 3
mutually perpendicular axes as defined in Figure 1. Each shock impulse shall be a half
sine wave with a time duration of .010 ± .001 seconds and peak amplitude for each shock
impulse as shown in Table I. Subsequent to shock, the telescope shall show no evidence of
damage or physical failure and shall meet the requirements of 3.4 through 3.19 inclusive.
3
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