Can anyone identify this spring base?

[Katavic918]

Can anyone tell me what these bases are for? They have 1" -14 threads and no markings. It looks like a lot of antennas use the 6707 and 3900 bases which look like they have a larger thread. I modified 2 of the 4 I have for CB antenna use but would be nice to know what military antenna I could use with them. Thanks for any help.

 

[Katavic918]

I guess pictures would help.

 

[craigc]

Can anyone tell me what these bases are for? They have 1" -14 threads and no markings. It looks like a lot of antennas use the 6707 and 3900 bases which look like they have a larger thread. I modified 2 of the 4 I have for CB antenna use but would be nice to know what military antenna I could use with them. Thanks for any help.

I'm betting they are antenna bases. Looks like RF connectors to me.

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[m38inmaine]

AS-3449 PLRS antenna base or AS-3013 VHF antenna base, probably the first if I had to guess do to the connector style.