5950-00-837-0878 (SM-C-425232)
NSN 5950-00-837-0878 (NIIN 00-837-0878) is a radio frequency transformer in Federal Supply Class 5950, Coils And Transformers — an item having either a single tapped winding (autotransformer type). Manufacturer part number SM-C-425232 (Us Army Communications & Electronics, CAGE 80063); also referenced as G140002B (Phoenix Steel Corp).
Key specs: 42 kHz maximum single component frequency; winding turns single component single secondary rating method; full characteristics table below. NIIN assigned January 1962; DEMIL A (none required); export Schedule B 8548.90.0100.