NSN 6625-00-851-4553

Part Details | ELECTRICAL FREQUENCY METER

6625-00-851-4553 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: 72487402REVD, 724874-02REVD, 6625-00-851-4553, 00-851-4553, 6625008514553, 008514553

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196200-851-455316454 ( METER, ELECTRICAL FREQUENCY )
REFERENCE DRAWINGS & PICTURES

THREE HOLE/STUD BOLT CIRCLE

ROUND FLUSH MTG

Cross Reference | NSN 6625-00-851-4553
Part Number Cage Code Manufacturer
724874-02REVD56232LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
Technical Data | NSN 6625-00-851-4553
Characteristic Specifications
INSTALLATION DESIGN PANEL
MOVEMENT TYPE VIBRATING REED
REGISTER QUANTITY1
RESONANT REED QUANTITY21
FREQUENCY RESPONSE RANGE+380.000 TO +420.000 HERTZ
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 SOLDER STUD
DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS1000.0
STYLE DESIGNATOR ROUND FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.687 INCHES NOMINAL
METER DEPTH BEHIND MOUNTING FLANGE2.125 INCHES NOMINAL
OVERALL DIAMETER3.500 INCHES NOMINAL
OVERALL LENGTH2.281 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY3 UNTHREADED HOLE
MOUNTING HOLE DIAMETER0.161 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE THREE HOLE/STUD BOLT CIRCLE
MOUNTING BOLT CIRCLE DIAMETER3.160 INCHES NOMINAL
NUCLEAR HARDNESS CRITICAL FEATURE
FURNISHED ITEMS AND QUANTITYTERMINALS,KOVAR GLASS 2
SPECIAL MARKINGSFREQ METER 115VOLTS ABOVE SCALE,HERTZ BELOW SCALE
SPECIAL FEATURESSEALED CASE