MIL-DTL-16878/3C
TABLE I. Wire configuration and dimensions - Continued.
Finished wire
Conductor
Conductor
diameter
diameter
Wire
PIN 1/
Stranding
(inch)
(nominal)
size
(inch)
Material 2/, 3/
Coating
Min
Max
M16878/3BNL*
8
133 X 29
Copper
Tin
.1690
.241
.256
M16878/3BPL*
6
133 X 27
Copper
Tin
.2130
.286
.301
M16878/3BRL*
4
133 X 25
Copper
Tin
.2680
.348
.368
M16878/3BSP*
2
665 X 30
Copper
Tin
.3420
.422
.442
M16878/3BTR*
1
817 X 30
Copper
Tin
.3820
.472
.492
M16878/3BUS*
0
1045 X 30
Copper
Tin
.4310
.525
.545
Notes:
1/ PIN stands for part or identifying number (see figure 2).
2/ H.S.C.A. stands for high-strength copper alloy.
3/ C.C. stands for copper-clad.
4/ Inactive for new design.
M16878/
3
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 3000 volts
Up to 105 °C
Operating temperature:
Insulation:
Extruded polyvinyl chloride
Spark test voltage:
8.0 kV
Impulse dielectric test voltage:
12.0 kV or 8.5 kV using the 3.0 kHz spark test
Dielectric withstanding voltage:
6.0 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:
3