Alco Valve Company
Alco: 402-4F - Thermo Valve - 4024F (1 Ton, R-12) - New / No Box
After trying the PR1G1.5X50X3 Resin Fiberglass kit, I was impressed by the bond strength.
NOS Alco Expansion Valve DT7838-6 X9715 FL 16A ASSY
It's a full 1/4 in, so you get solid contact with mating parts.
ALCO KS30079 X22112 200RA Solenoid Valve Industrial Refrigeration Valve
The MOS2 3-4 ยต Fisher (15-30 Microtrac) model is often used in aerospace lubricant mixes.