MIL-DTL-55302/175C
Current rating: 3.0 amperes maximum per contact, 2.25 amperes continuous per contact at room ambient with
no more than two adjacent contacts carrying this current.
Keying (see MIL-DTL-55302/31):
Two keys, Part or Identifying Number (PIN) M55302/31-04, and two .086-56 UNC-2A mounting screws are
recommended. Keys and screws shall be ordered separately.
Jackscrews (see MIL-DTL-55302/182):
Use M55302/182-11, -12, -13, -14, -15, or 16. Jackscrews are purchased separately.
Mating and unmating: The mating force in pounds shall be the number of contacts multiplied by .250; the
withdrawal force in pounds shall be a minimum of .025 times the number of contacts and shall not exceed the
measured insertion force.
Contact resistance: No individual contact pair shall have a resistance exceeding .015-ohm initial and .020 after
testing.
Contact retention: 3 pounds, minimum.
Dielectric withstanding voltage:
Sea level: 900 volts rms.
70,000 feet: 200 volts rms.
2 milliamperes maximum leakage current.
PIN: M55302/175 (and dash number from table I and type from table II).
Group qualification: See table III.
TABLE III. Group qualification.
Qualification of any of the following
Qualifies the following
Retains qualification on
connectors 1/ 2/
connectors
the following
M55302/173-***
M55302/173-***
M55302/175-***
M55302/175-***
M55302/173-***
M55302/173-***
M55302/176-***
M55302/175-***
M55302/175-***
M55302/178-***
M55302/176-***
M55302/176-***
M55302/178-***
M55302/178-***
M55302/179-***
M55302/181-***
M55302/173-***
M55302/179-***
M55302/175-***
M55302/181-***
M55302/176-***
M55302/178-***
M55302/179-***
M55302/181-***
1/ For initial qualification, connectors with the largest number of contact positions from the left hand column shall
be used to obtain qualification for parts in corresponding center column.
2/ For qualification retention data may be supplied on any two parts from the left hand column in order to retain
qualification for the parts listed in the right hand column.
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