6625-00-221-0933 (SCD11851C)
NSN 6625-00-221-0933 (NIIN 00-221-0933) is a test set mount in Federal Supply Class 6625, Electrical And Electronic Properties Measuring And Testing Instruments. Manufacturer part number SCD11851C (Us Army Communications & Electronics, CAGE 80063); also referenced as FT502 (Us Army Communications & Electronics).
NIIN assigned January 1963; DEMIL A (none required).