5831-00-962-3726 (616257-5)
NSN 5831-00-962-3726 (NIIN 00-962-3726) is an intercommunication set in Federal Supply Class 5831, Intercommunication And Public Address Systems, Airborne — a complete wired unit specifically designed to provide two-way voice communication which may be amplified. Manufacturer part number 616257-5 (Lockheed Martin Corp, CAGE 98897); also referenced as A81-61A (Andrea Systems LLC).
NIIN assigned January 1962; DEMIL A (none required); ESD/EMI-sensitive; export Schedule B 8518.50.0000.