MIL-DTL-2726/28B
REQUIREMENTS
Dimensions and configurations: See figure 1.
Contact resistance: 100 millivolts. Measured between the end of two 24 inch lengths of
test cable properly connected to a test plug and the receptacle, respectively.
Effectiveness of enclosure: Watertight in accordance with MIL-STD-108.
Contact hardness: Minimum of Rockwell 45B.
Mating plug: MIL-DTL-2726/29, Part or Identifying Number (PIN) M2726/29-001.
Test cable: Commercial, 4 conductor, size 1 (133 by 22), 660-volt, type W.
Design: Enclosure and housing design optional - polyamide (nylon) or metal.
Enclosed terminal barriers and a ground clip shall be provided.
PIN: M2726/28-001.
Electrical rating: 100-ampere, 450-volt, alternating current, 60 hertz.
Cap for maintaining watertight integrity shall be furnished.
Verification
Verification shall be as specified in MIL-DTL-2726 and table I herein. The first article and
conformance inspections shall consist of the inspections as specified in table I, in the order shown.
TABLE l. First article and quality conformance inspection.
First
Conformance
Inspection
article
Examination
X
X
Insulation resistance
X
X
Dielectric withstanding voltage
X
X
Contact resistance
X
X
Endurance
X
Salt spray
X
Contact resistance
X
Current load
X
Vibration
X
Shock
X
Effectiveness of Enclosure
X
X
Dielectric withstanding voltage
X
Rockwell hardness
X
Marginal notations are not used in this revision to identify changes with respect to the previous issue due
to the extent of the changes.
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