MIL-T-46692B
however, supersedes applicable laws and regulations unless a specific exemption has been obtained.
3. REQUIREMENTS
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 coveringa 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 M146 impulse cartridge (Drawing8596426)isdefinedasaprimarycomponent. Onlyprimarycomponentsfromasinglelot shallbeusedinaproductionlotofthrusters;however,oneprimarycomponentproductionlotmay be used in more than one thruster production lot.
3.2.2 Componentparts. AllcomponentpartsshallmeettheapplicablerequirementsofMIL-T-
46691 or MIL-T-60680 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.
Components |
A |
B |
Seating or bottoming (inch pounds) |
Breakaway, min (inch pounds) |
|
Head and cylinder |
600 + 30 |
400 |
3.4 Residual magnetism. Thethrustershallnotdeflecttheindicatorofthecompassmorethan five degrees in either direction (see 4.3.2).
3.5 Radiographicexamination.Eachthrusterassemblyshallberadiographicallyexaminedfor defects (see 4.3.3).
3.7 Functional.
3.7.1 Load. The thruster, fired under load, shall perform as follows (see 6.3).
3.7.1.1 Thrust. The thrust developed shall not exceed 550 pounds.
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