MIL-DTL-16878/18B
M16878/
18
B
F
E
*
Military designation
Specification sheet
Conductor
Conductor
Conductor
Color
material
size
stranding
code
FIGURE 2. Example of PIN (see MIL-DTL-16878G).
Configuration and dimensions:
See figure 1 and table I
Operating voltage:
Up to 1000 volts
Up to 105 °C
Operating temperature:
Insulation:
Extruded polyvinyl chloride
Insulation jacket:
Extruded polyamide
Spark test voltage:
5.0 kV
Impulse dielectric test voltage:
10.0 kV, or 7.1 kV using the 3.0 kHz spark test
Dielectric withstanding voltage:
3.0 kV
Insulation resistance:
IR = K log10 D/d
Where: IR = Minimum insulation resistance in megohms
per 1000 feet at 20 °C
K = 2,000
D = Maximum average diameter of finished wire
d = Conductor diameter
Condition 4 hours at -54±1 °C (see table II)
Cold bend:
TABLE II. Cold bend mandrel sizes.
Cold bend mandrel diameter
Wire size
(inches, maximum)
26 through 16
2
14, 12
3
Surface resistance:
Not required
Condition at 150 °C. Cracking of the jacket shall
Heat resistance:
constitute a failure.
25 percent change (maximum) in 96 hours at 135 °C
Heat aging:
Insulation tensile strength:
1800 pounds force per square inch (minimum)
Insulation elongation:
100 percent (minimum)
CHANGES FROM PREVIOUS ISSUE. Marginal notations are not used in this revision to identify
changes with respect to the previous issues due to the extensiveness of the changes.
CONCLUDING MATERIAL
Custodians:
Preparing activity:
Navy - SH
DLA - CC
Air Force - 11
DLA - CC
(Project 6145-2193-011)
Review activity:
Navy - AS
3