5845-00-177-1453 (100-5719-016)
NSN 5845-00-177-1453 (NIIN 00-177-1453) is a sonobuoy in Federal Supply Class 5845, Underwater Sound Equipment — a water buoyant item designed to intercept underwater sound waves for the specific purpose of retransmitting the received sounds in space via electromagnetic. Manufacturer part number 100-5719-016 (Sparton Corporation, CAGE 82268); also referenced as ANSSQ57A, ANSSQ57XN3 (Joint Electronics Type Designation); 100-6857-016 (Sparton Corporation).
Key specs: self-contained electrical power source relationship; 1 electromagnetic wave transmitting power output in watts; full characteristics table below. NIIN assigned March 1970; export Schedule B 9014.80.6000.