No model number found, appears name plate missing, the handset is marked H-60/PT. I do not know these. Please take a moment and examine and zoom in on all pictures.
These were updated with a port for a headset and re-named TA-312/PT (later TA-312A/PT) in the mid 50s and in wide usage up into the 2000s with US and NATO forces. Please see all pictures and use zoom feature. Often the pictures describe the item better than words.
Also please see the other 9,500 vintage radio related parts and other great antiques and oddities I listed. Thank you for you order and please follow my store. Also you can go into my store and pick the category for easy shopping. Best to you and Many Thanks, Mike. The item "US Army Field Telephone Set Vintage Military Radio phone / Handset TA-43/PT" is in sale since Saturday, January 30, 2021. This item is in the category "Collectibles\Militaria\Surplus\Radios".more" and is located in Pittsburgh, Pennsylvania. This item can be shipped to United States, Canada, Bahamas, Uruguay.