MIL-PRF-21480/12F(AS)
rated and 200 percent load, and protective functions. There shall be no failure of the mounting
attachments and the test item shall remain in place and not create a hazard during procedure III.
4.5.25 Delete and add: Humidity. System components, except those tested under 4.5.20.2,
shall be subjected to a humidity test in accordance with MIL-E-81910. At the completion of this
test, the unit shall successfully demonstrate its buildup characteristics, the effect of application
and removal of rated and 200 percent load, and protection functions.
4.5.35 Delete the paragraph and add: All systems components except the generator shall be
subjected to the acceleration tests of MIL-E-81910. At the completion of the tests the unit shall
successfully demonstrate its buildup characteristics, the effect of application and removal of
rated and 200 percent load, and protective functions.
NOTES
1.
Components enclosed in dotted lines are shown for interconnections only and are not
furnished under this specification sheet.
2.
Dimensions in inches. Unless otherwise specified, tolerances:
linear ±.031, angular ±1º.
3.
All outline dimensions are limiting dimensions only.
4.
Thread dimensions and designations shall be interpreted in accordance with FED-STD-H28
and ASME Y14.6, respectively.
5.
The difference in the M21480/12-1 and M21480/12-2 generators is that the M21480/12-1
uses Vanadium Permendur steel.
ITEM
PART NUMBER
Complete System (Consists of one Generator, one
Generator Control Unit, three Load End Current
Transformers, and one Ground End Current
Transformer
M21480/12-40
Generator
M21480/12-1
Generator
M21480/12-2
Generator Control Unit
M90313-4
Load End Current Transformer
M21480/12-5
Ground End Current Transformer
M21480/12-6
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.
9
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