[TowerTalk] Need Info on Short Top mast section for AB-577/GRC Mil Tower Kit

[Dennis Vernacchia]

Can anyone tell me the EXACT O.D. and I.D and length of the short section
of Tubing that is used at the top of the AB-577/GRC Mil Tower Kit
which many hams have purchased om the Military Surplus market ?

A friend of mine has one of these towers up and is about to take it down
to change antennas and before he starts taking it down in a few weeks
he needs this info to get everything ready in advance he plans to
couple/attach
to that short piece of tubing the kit comes with.

73, Dennis N6KI
San Diego