MIL-T-46590C
to comply with the requirement of the applicable specification shall be cause for rejection of the welded reservoir assemblies and all welded components (see 4.6.4.1).
4.5.3.6.1.1 Internal pressure. The reservoir assembly shall be subjected to an internal air pressure application. The number of units for test shall be as specified in MIL-STD-105. Failure to comply with the requirement of 3.6.2 shall be cause for rejection of the lot.
4.5.3.6.2 Torque. The welded joints shall be subjected to a torque application. The number of units for test shall be as specified in MIL-STD-105. Failure to comply with the requirements of 3.6.3 shall be cause for rejection of the lot.
4.5.3.7 Assembly.
4.5.3.7.1 Piston rod rotation. Each piston and body subassembly shall be subjected to a rotation of the piston rod within the body. Failure to comply with the requirement of 3.7.1 shall be cause for rejection of the subassembly.
4.5.3.7.2 Breakaway torque. Each body and ring nut subassembly shall be subjected to a breakaway torque test. Failure to comply with the requirements of table II (column C) shall be cause for rejection of the subassembly.
4.5.3.7.3 Piston rod retraction. Each piston rod and body subassembly shall be subjected to a static compression load application. Failure to comply with the requirement of 3.7.3 shall be cause for rejection of the subassembly.
4.5.3.7.4 Fluid leakage. Each thruster shall be subjected to leakage tests. Failure of any thruster to comply with the requirement of 3.7.4 shall be cause for rejection of the thruster.
4.6 Test methods and procedures.
4.6.1 Hardness. Prior to the application of protective finish, a hardness tester shall be used to determine compliance with the requirements of the applicable drawing.
4.6.2 Hydrostatic pressure. Prior to application of protective finish the body shall be mounted in a device, using a fixture for properly sealing all openings, and subjected to the internal hydrostatic pressure to determine compliance with 3.4.
4.6.3 Shear pin strength. After application of protective finish, the pin shall be subjected to the shear pin strength test to determine compliance with 3.5. The test shall be performed in a fixture in conjunction with a tensile testing machine.
4.6.4 Welding.
4.6.4.1 Reservoir assembly. Unless otherwise directed by the contracting officer, approval of the welding procedure, equipment, and the qualification of the welding officer shall be in accordance with the applicable specification, except that X-ray inspection and radiographic examination will not be required.
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