Kearfott
R210-1E Kearfott Synchro Transmitter 26V Rotor 11.8V Stator 400Hz Size 11 NSN 59
I appreciate that Belzona can be applied in cold weather conditions without issues.
synchro resolver 3R982-002 Kearfott 11.8v 400Hz
I have used the Thyssenkrupp 6300XE1 for years without major issues.
Singer Kearfott Synchro Resolver Differential 05088-CM01036107, 11.8V, 400 Hz
A nice touch is the 1 inch x 2 inches x 1 inch size, which fits into a pocket easily.