5930-00-678-1228 (FM231)
NSN 5930-00-678-1228 (NIIN 00-678-1228) is a thermostatic switch in Federal Supply Class 5930, Switches — a switch that is actuated by changes in ambient temperature. Manufacturer part number FM231 (Ulanet George Co, CAGE 74389); also referenced as MH15285 (Mancraft Industries Inc).
NIIN assigned January 1963; DEMIL A (none required); export Schedule B 9032.10.0000.