SS72012 datasheet(65/144 Pages) ACIT

65 / 144 page

Aerospace | Military | Transportation | Industrial | Specialty

MIL-DTL-81381/13, /14 wire—medium weight—high strength conductor

MIL-DTL-81381/13 and /14

wires have two layers of

FEP/polyimide/FEP tape insulation (three layers for

28 AWG) with a polyimide hard coat for increased

cut-through and abrasion resistance, and a high-

strength copper alloy conductor for greater break

strength.

Originally designed for aerospace use, these wires

are ideal for other applications requiring excellent

thermal stability, tight dimensional tolerances, and

high reliability.

These wires are especially well-suited in applications

where smoke emission, overload stability, and

ﬂammability are major concerns.

Performance:

Voltage rating:

600V.

Temperature rating:

-55 to 200˚ C.

Construction Details

Insulation:

(26 AWG and larger):

First layer: Polyimide/FEP tape;

Second layer: FEP/polyimide/FEP tape;

Third (outer) layer: modiﬁed aromatic

polyimide coating.

(28 AWG):

Three layers of FEP/polyimide/FEP tape with

modiﬁed aromatic polyimide coating.

Conductor:

/13: Silver-plated high-strength copper alloy;

/14: Nickel-plated high-strength copper alloy.

Colors:

Color coded to MIL-STD-104 (see page 57

for details.

Identiﬁcation:

to MIL-DTL-81381.

Dimensions in inches (mm). Weights in pounds/1000 feet (Kg/1000 M). Resistance in Ω/1,000 feet (Ω/Km), @20˚ C.

All values are nominal unless otherwise indicated. * Add color coding per MIL-STD-104 (see page 57).

M81381

AWG

Stranding

Conductor Diameter

Insulation Diameter

Weight

Maximum

P/N

Size

Minimum

Maximum

Minimum

Maximum

Resistance

M81381/13-20-*

19/32

.037

(.94)

.039

(.99)

.055

(1.40)

.059 (1.50)

4.8 (7.1)

10.7

(35.10)

M81381/13-22-*

19/34

.029

(.74)

.031

(.79)

.047

(1.19)

.051 (1.30)

3.1 (4.6)

17.5

(57.40)

M81381/13-24-*

19/36

.023

(.58)

.024

(.61)

.041

(1.04)

.045 (1.14)

2.2 (3.3)

28.4

(93.15)

M81381/13-26-*

19/38

.018

(.46)

.020

(.51)

.036

(.91)

.040 (1.02)

1.5 (2.2)

44.8 (146.94)

M81381/13-28-*

7/36

.014

(.36)

.015

(.38)

.031

(.79)

.035

(.89)

1.2 (1.8)

74.4 (244.03)

Dimensions, Resistance, and Weights—M81381/13 (silver-plated high-strength conductor)

M81381

AWG

Stranding

Conductor Diameter

Insulation Diameter

Weight

Maximum

P/N

Size

Minimum

Maximum

Minimum

Maximum

Resistance

M81381/14-20-*

19/32

.037

(.94)

.040

(1.02)

.055

(1.40)

.060 (1.52)

5.0 (7.4)

11.4

(37.39)

M81381/14-22-*

19/34

.029

(.74)

.031

(.79)

.047

(1.19)

.051 (1.30)

3.3 (4.9)

18.6

(61.01)

M81381/14-24-*

19/36

.023

(.58)

.025

(.64)

.041

(1.04)

.045 (1.14)

2.3 (3.4)

30.1

(98.73)

M81381/14-26-*

19/38

.018

(.46)

.020

(.51)

.036

(.91)

.040 (1.02)

1.6 (2.4)

49.4 (162.03)

M81381/14-28-*

7/36

.014

(.36)

.016

(.41)

.031

(.79)

.035

(.89)

1.2 (1.8)

79.0 (259.12)

Dimensions, Resistance, and Weights—M81381/14 (nickel-plated high-strength conductor)

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