BMS 13-58


An image showing a BMS 13-58 wire with some coating removed to show the wire underneath.

SWAMP is the acronym for Severe Weather and Moisture Prone. Boeing Specification BMS 13-58 defines SWAMP wire construction.


Key Features

  • Designed to operate at temperaures up to 260°C

SWAMP Wire Applications

  • Wheel housings
  • Wings
  • Any exposed area of the aircraft

BMS-1358-drawing

BMS-13-58 cutaway

Mechanical/Environmental Performance

Test Requirements
Wire Rating 260°C, 600V
Arc Resistance (Wet & Dry) 67 wires must pass
Dynamic Cut Through 50 lbs. min.
Wicking 1/4" max. distance
Wire-to-Wire Abrasion 7.5 million cycles
Wire Separation Must pass dry dielectric after test

BMS 13-58 Details of Conductors

Wire Size (AWG) Conductor Strands Diameter of Stranded Conductor (in.) Maximum DC Resistance (Ohms/1000 ft. at 20C Max)
Number AWG Nominal Diameter (in) Min. Max. Nickel Coated Copper Nickel Coated High Strength Copper
24 19 36 0.0050 0.023 0.026 26.20 30.10
22 19 34 0.0063 0.029 0.033 16.00 18.60
20 19 32 0.0080 0.037 0.041 9.77 11.40
18 19 30 0.0100 0.046 0.051 6.70 7.20
16 19 29 0.0113 0.052 0.058 4.76 5.60
14 19 27 0.0142 0.065 0.073 3.00 --
12 37 28 0.0126 0.084 0.090 1.98 --
10 37 26 0.0159 0.106 0.114 1.24 --
8 133 29 0.0113 0.158 0.173 0.694 --
6 133 27 0.0142 0.198 0.217 0.436 --
4 133 25 0.0179 0.250 0.274 0.275 --
2 665 30 0.0100 0.320 0.340 0.177 --
1/0 1045 30 0.0100 0.395 0.425 0.113 --
2/0 1330 30 0.0100 0.440 0.475 0.089 --
3/0 1665 30 0.0100 0.500 0.540 0.071 --
4/0 2109 30 0.0100 0.565 0.605 0.056 --

BMS 13-58 Specifications

TYPE CLASS WIRE SIZE (AWG) INSULATION THICKNESS (MIL) CONDUCTOR SHIELD JACKET TEMPERATURE RATING (DEGREES C)
MIN MAX MIN MAX MATERIAL COATING MATERIAL COATING MATERIAL MIN MAX
1 1 8 24 4/0 22 Annealed Copper Nickel -- -- -- -65 260
8
12
2 1 4 24 12 22 Annealed Copper Nickel Copper Braid Nickel -- -65 260
3 1 4 24 12 22 Annealed Copper Nickel -- -- PTFE/Tape -65 260
4 2 4 24 12 22 Annealed Copper Nickel -- -- PTFE/Tape -65 260
5 1 8 24 12 22 High Strength Copper Alloy Nickel Copper Braid Nickel -- -65 260
16
6 1 4 24 16 22 High Strength Copper Alloy Nickel Copper Braid Nickel -- -65 260
7 1 4 24 16 22 High Strength Copper Alloy Nickel Copper Braid Nickel PTFE/Tape -65 260
8 2 4 24 16 22 High Strength Copper Alloy Nickel -- -- PTFE/Tape -65 260
9 1 3 24 18 22 High Strength Copper Alloy Nickel Copper Braid Nickel PTFE/Tape -65 260

Product Categories

Wire & Cable

Product Markets

Commercial Aerospace
Industrial
Military-Defense

More Information

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