MIL-T-466328(08)
3.2.1 Raw material. The contractor shall be responsible for selecting from the classification list contained in the raw material specification the surface and physical condition of the raw material intended for use in manufacture.
3.3 Hardness and otherphysical properties. Hardnessand other physical propertiesrequired bythedrawingshall beuniformthroughoutthepartwithinspecified tolerances. Requirementsfor all alloy steel parts shall be achieved by quenching and tempering.
3.4 Hydrostatic pressure. Thebodyand head shall withstand a hydrostatic pressure of 10,000 pounds per square inch (psi) for 15 seconds, minimum, without leaking, deformation, or mechanical failure (see 6.4.1).
3.5 Torque.
3.5.1 Assemblytorque. Thebodyandholdingringsshallbeassembledhandtight. Atorqueof
100 +20 inchpoundsshall thenbeapplied between the body and holding ring for the purpose of tightening the assembly prior to spotting threads for setscrew installation.
3.5.2 Breakaway torque. Thebody with respect to the holding ring shall withstand a breakaway torque application of 400 inch pounds, minimum, without any movement or deformation.
3.6 Structural strength. The assembled thruster shall withstand a static tensile force of
2,000 pounds, minimum, for 15 seconds, minimum, between mounting points without unlocking and without mechanical failure (see 6.4.1).
3.7 Shear pin strength. The shear pin, after application of protective finish, shall shear when a load of 55 ± 4 pounds is applied at the steady rate of 0.125 inch per minute.
3.8 Metal parts assembly. Parts shall be combined to produce an assembly which conforms to therequirementsofthemetalpartsassemblydrawingandtherequirementsof3.8.1 through3.8.3.
3.8.1 Head and body. The head and body shall be assembled hand tight.
3.8.2 Piston locking spring and end sleeve. The piston locking spring shall enter the spring hole in the piston without any bending along its entire length. The assembly of the piston locking springtotheend sleeve,withthecap screwand washer,shall behand tight. If axial misalignment of the piston locking spring occurs upon completion of assembly, it will be permissible to back off the cap screw sufficiently to eliminate axial misalignment of the piston locking spring.
3.8.3 End sleeve rotation. Upon completion of assembly and after the structural strength test, the end sleeve shall be free to rotate 360 degrees in a clockwise direction.
3.9 Protective finish. Protective finish shall be in accordance with the applicable specifications and shall apply to all surfaces of the component regardless of contour configuration.
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