T23 is for band 5 in the mixer.
Calling this T23 is still being questioned. I don't have anything for the early radio that identifies this part as "T23."
Stamped with part number 51288. I don't have a parts list for the early radios that gives anything other than
resistors and capacitors.
A diagram identifies this coil as "B5-S10." Band 5, slug 10.
Letters are for table below only.

Resistance measurements made with 4-wire ohm meter.
A to B: 0.02 ohm C to D: 2.14
Stamped with part number _______.
NOT PHOTOGRAPHED YET
Winding 1: _____ ohm Winding 2: _____
Page: /T23_mix/Index_t23.shtml
Last modified: Thursday, 30 Apr 2026