NSN 6625-00-658-3402

Part Details | ELECTRICAL FREQUENCY METER

6625-00-658-3402 An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in Hertz (cycles per second or CPS). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see CALIBRATOR, FREQUENCY; and WAVEMENTER. Excludes: COUNTER ELECTRONIC DIGITAL.

Alternate Parts: 364P2, 52093, 5209-3, 6625-00-658-3402, 00-658-3402, 6625006583402, 006583402

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-658-340216454 ( METER, ELECTRICAL FREQUENCY )
REFERENCE DRAWINGS & PICTURES

THREE HOLE/STUD BOLT CIRCLE

ROUND FLUSH MTG

Cross Reference | NSN 6625-00-658-3402
Part Number Cage Code Manufacturer
364P257737HERMAN H STICHT COMPANY INCDBA MEGOHMER VIBRATING REED &
5209-305869RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 6625-00-658-3402
Characteristic Specifications
INSTALLATION DESIGN PANEL
INDICATOR TYPE VIBRATING REED
MOVEMENT TYPE VIBRATING REED
REGISTER QUANTITY5
RESONANT REED QUANTITY9
FREQUENCY RESPONSE RANGE+380.000 TO +420.000 HERTZ
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 SOLDER LUG AND 2 THREADED STUD
SCALE SELECTION METHOD TERMINAL
POWER SOURCE EXTERNAL
CIRCUIT CURRENT FOR WHICH DESIGNED AC
OPERATING VOLTAGE RATING IN VOLTS100.0 AC MINIMUM AND 130.0 AC MAXIMUM
FREQUENCY RATING400.0 HERTZ NOMINAL
PHASE SINGLE
STYLE DESIGNATOR ROUND FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.780 INCHES NOMINAL
METER DEPTH BEHIND MOUNTING FLANGE2.500 INCHES NOMINAL
OVERALL DIAMETER3.500 INCHES NOMINAL
OVERALL LENGTH2.6615 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY3 UNTHREADED HOLE
MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE THREE HOLE/STUD BOLT CIRCLE
MOUNTING BOLT CIRCLE DIAMETER3.160 INCHES NOMINAL
MATERIAL PLASTIC
NUCLEAR HARDNESS CRITICAL FEATURE
FSC APPLICATION DATATEST SET,ELECT. EQUIP.