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MIL-T-46616C
3.1 Materials. All materials used in the manufacture of the thrusters shall conform to the specifications
referred to on the respective drawings unless specific approval in writing covering a departure therefrom has
been obtained from the cognizant Navy design activity prior to manufacture. When alternate materials or
methods of manufacture are specified on the drawings, the bidder's selections shall be clearly stated in the
proposal.
3.2 Components.
3.2.1 Primary components. For the purpose of this specification, the M44A1 impulse cartridge
(Drawing 8593276) is defined as a primary component. Only primary components from a single lot shall be
used in a production lot of thrusters; however, one primary component production lot may be used in more
than one thruster production lot.
3.2.2 Component parts. All component parts shall meet the applicable requirements of MIL-T-46583
or MIL-T-60697 prior to assembly.
3.3 Torque. Torque requirements shall be as specified in table I. No movement shall occur upon
application of the breakaway torque.
TABLE I. Torque requirements.
A
B
C
Components
Seating or bottoming
Breakaway, min
Run On, min (inch pounds)
(including A) (inch pounds)
(inch pounds)
End cap and body
10
600 + 30
400
Cartridge retainer and
10
300 + 15
200
breech after insertion of
cartridge
Body and breech
10
600 + 30
400
3.4 Trunnion rotation. Upon completion of assembly, the trunnion shall be free to rotate 360 degrees.
3.5 Residual magnetism. The thruster shall not deflect the indicator of the compass more than five
degrees in either direction (see 4.3.2).
3.6 Radiographic examination. Each thruster assembly shall be radiographically examined for defects
(see 4.3.3).
3.7 Functional.
3.7.1 No load. The thruster fired with no load on the piston shall complete a stroke of 1-1/2 inches,
minimum, and shall not separate from the body of the thruster (see 6.3).
3

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