GTJ99020D
Lot Of 10 Military Industrial Handset With Curly Cord Gai-Tronics GTJ99020D -New
It’s an unbranded generic piece, but it fits perfectly with other standard parts.
Hubbell Gai-Tronics GTJ99020D Industrial Telephone Handset With Curly Cord
This item lists the type as does not apply, which is straightforward.