three different sizes of Boeing BMS 13-65 Cable, partially stripped to show the inner shielding and insulation layers.
BMS 13-65 cables are manufactured, tested and qualified in accordance with the Boeing BMS 13-65 specification. Key features of Boeing BMS 13-65 cables include:
  • 50 ohm characteristic impedance
  • Lightweight construction
  • -55°C to 200°C operating range
  • Tape wrapped PTFE dielectric
  • Designed for use in pressurized or unpressurized aircraft environment
50 Ohm Coaxial
Conductor 7 strands of .008 silver plated copper
Dielectric Air spaced polytetrafluoroethylene (PTFE) Tape
Inner Shield Flat silver plated copper
Outer Shield Round silver plated copper
Jacket Extruded fluorinated ethylene propylene (FEP)
Color Transparent Brown

Mechanical/Environmental Performance Table

Click here for a PDF version

Cable Code Type

Outside Diameter of Finished Cable (in.)

Weight (lbs/1000ft)

Maximum Allowable Transmission Loss (dB/100ft)

at Frequency (MHz)

Lower Specification Limit

Target Value

Upper Specification Limit

Lower Specification Limit

Target Value

Upper Specification Limit

50

100

500

1000

3000

5000

10000

0E

0.106

0.111

0.116

13.8

14.8

15.8

4.8

6.8

14.8

21.3

37.5

48.5

--

0F

0.136

0.141

0.146

21.4

22.6

23.8

3.5

5.0

10.9

15.7

27.4

35.5

50.5

0G

0.179

0.184

0.189

36.1

38.6

41.1

2.4

3.3

7.2

10.5

18.2

24.5

35.5

0H

0.247

0.252

0.257

62.0

67.0

72.0

1.9

2.6

5.7

7.9

13.9

18.2

26.8

0J

0.317

0.322

0.327

103.0

109.0

115.0

1.3

1.8

3.8

5.5

9.8

12.9

19.0

0K

0.481

0.488

0.495

205.0

220.0

235.0

0.8

1.2

2.5

3.5

6.4

8.5

12.7