6625-00-228-2201 (MIL024311ANUSM281A)
NSN 6625-00-228-2201 (NIIN 00-228-2201) is an oscilloscope in Federal Supply Class 6625, Electrical And Electronic Properties Measuring And Testing Instruments — a test instrument which is designed to give visual indications on an lcd display or a cathode ray tube of instantaneous values and variations in electrical. Manufacturer part number MIL024311ANUSM281A; also referenced as MILO24311ANUSM281A (Military Specifications); 1551A-021 (Keysight Technologies Inc); AN/USM-281A (Joint Electronics Type Designation); 15510PT10N20, 1551A OPTION 021 (Hewlett-Packard Company).
Key specs: AC current type; 50 hertz nominal and 60 hertz nominal and 400 hertz nominal frequency; full characteristics table below. NIIN assigned February 1969; DEMIL Q (Commerce Control List); unit of issue EA (each), $1,420.00 gov standard price; export Schedule B 9030.90.8030; ships at 29.68 lb / 1.9448 cu ft.