GENERAL AVIATION MIC PLUG
This is the plug that many pilots have trouble finding, that's because it's only used in aviation. The mating
shaft of the plug is 5.23mm or 0.206" or as a fraction
it's somewhere between 13/64" & 7/32". The one
shown is to Mil: M642/5-1, NSN:5935-00-636-6602
GENERAL AVIATION EARPHONE PLUG
The mating shaft of the plug is 6.35mm or 0.250"
or as a fraction 1/4".The one shown is to
You can buy a plug with similar mating
requirements at just about any electronics store.
TP-120 & TP-120B
HELICOPTER HEADSET / HELMET PLUG
The TP-120 & 120B are industrial equivalents to the
U-174/U, TP-101 and in the general aviation area is
more than adequate. Gray is standard and the "B"
denotes a black back shell. The strain relief is also different.
UK or EUROPEAN NATO PLUG
This plug will not mate with the Nexus range, the
mating shaft diameter is 0.43 mm bigger. This is a
Mil spec brass plug, NSN:5935-99-946-6652. Wiring,
Tip Mic, Ring 1 Mic, Ring 2 Ear, Ring 3 Ear, (Ring 1
next to tip) Mating Socket 626, NSN:5935-99-949-1940