MIL-DTL-55302/89E
Mounting hardware: 2 each machine screws 2-56, 0.5 inches long, 2 flat washers, and 2 hex nuts of corrosion
resistant steel, shall be furnished in a bag within the connector package for direct government orders. For other
orders, the mounting hardware may be furnished loose as specified in the contract or order.
Contact identification: The first and last contact in each row shall be identified by an alphabetical-numerical code
(e.g., A01, B12). The letter designates the row and the number designates the contact position within that row.
Every fifth contact in each row shall have its identification mark molded in.
Contact retention: 6 pounds.
Mating and unmating: The maximum insertion force, in pounds, shall not exceed a value equal to .5 times the
number of contacts, and the withdrawal force, in pounds, shall be a minimum of .11 times the number of contacts
and shall not exceed the measured insertion force.
Contact separation force: 1 ounce minimum.
Contact resistance: The contact resistance shall not exceed 20 milliohms.
Dielectric withstanding voltage:
Sea level: 1,000 volts rms, 60 Hz.
High altitude: 300 volts rms, 60 Hz.
Current rating: 5 amperes, maximum.
Keying pins: When required, can be easily keyed to the desired positions by using a standard type wrench.
Connectors are supplied with keying pins in "1" and "A" positions.
Mating connectors: Shall be in accordance with MIL-DTL-55302/90 and MIL-DTL-55302/92 or
MIL-DTL-55302/94 and MIL-DTL-55302/96.
Part or Identifying Number (PIN): M55302/89-(dash number from table I, II or III).
Group submission: MIL-DTL-55302/91, MIL-DTL-55302/93, MIL-DTL-55302/95.
Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the
previous issue due to the extent of the changes.
Referenced documents. In addition to MIL-DTL-55302, this document references the following:
MIL-DTL-55302/90
MIL-DTL-55302/95
ASTM B139/B139M
MIL-DTL-55302/91
MIL-DTL-55302/96
ASTM B488
MIL-DTL-55302/92
ASTM A484/A484M
ASTM D5948
MIL-DTL-55302/93
ASTM A582/A582M
SAE-AMS-QQ-N-290
MIL-DTL-55302/94
ASTM B16/B16M
SAE AMS2700
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