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|  MIL- C-50734( MU)
8 August 1973
With the unit initially pressurized with nitrogen
3.3.3 Sealing.
or air to 5 1 pounds per square inch gage (psig), the loss of pressure
shall not exceed 0.55 psig in one-half hour, except for special sampling-
environmental during which the loss of pressure shall not exceed 0.22
psig in 2 hours.
3.3.4 Internal pressure. Subsequent to meeting the sealing
requirements, the unit shall be dry flushed with an internal atmosphere
containing nitrogen or air having a dew point of at least -63.5F. After
the unit is flushed, an internal pressure of 3.5 0.5 psig shall be
established.
The unit shall be capable of interfacing with
3.3.5 Interface.
the Bearing Assembly, F10955915.
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