MIL-DTL-55302/70D
Requirements:
Dimensions and configuration: See figure 1 and table I.
Material: In accordance with MIL-DTL-55302, except:
Body: reinforced epoxy resin or equivalent.
Bushing: SAE-AMS-5640 stainless steel or SAE-AMS-S-7720, composition 303, condition A.
Plating: The contact plating shall be gold in accordance with ASTM B488, type II, code C, class 1.27 over 100
microinches of copper in accordance with SAE-AMS-2418.
Contact identification: Contact locations are identified numerically as shown on figure 2.
Mating and unmating: The maximum mating force, in pounds, shall be 0.5 times the number of contacts, and the
withdrawal force, in pounds, shall be a minimum of 0.08 times the number of contacts and shall not exceed the
measured insertion force.
Contact resistance: With a test current of 3 A dc, the average resistance of all contact pairs measured shall not
exceed 0.010 ohm, and no individual contact pair shall have a resistance exceeding 0.020 ohm.
Dielectric withstanding voltage:
Sea level: 1,300 volts rms, 60 Hz, ac.
High altitude: 325 volts rms, 60 Hz, ac.
Current rating: 3.0 amperes.
Insert arrangement: See figure 2.
Mating connectors: See MIL-DTL-55302/71.
Part or Identifying Number (PIN): M55302/70-(dash number from table I).
TABLE I. Dash number and dimensions.
Dimension 1/
Dash
A
number
01
.114
(2.90)
02
.180 +.015 -.000
(4.57 +.38)
1/ Metric equivalents are given for information only.
Millimeters are in parentheses.
Referenced documents. In addition to MIL-DTL-55302, this document references the following:
MIL-DTL-55302/71
ASTM B488
SAE-AMS-2418
SAE-AMS-5640
SAE-AMS-S-7720
3
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