NSN 6625-01-044-2560

Part Details | ELECTRICAL FREQUENCY METER

6625-01-044-2560 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: MMI9666, MMI-9666, A6242110, A624-2110, 328AS1711, 328AS171-1, MMI9666, MMI-9666, MK77794, MK777-94, 328AS1711, 328AS171-1, 628E562, 628-E562, 253R0828, 253R0-828, 6625-01-044-2560, 01-044-2560, 6625010442560, 010442560

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JUL 09, 197701-044-256016454 ( METER, ELECTRICAL FREQUENCY )
REFERENCE DRAWINGS & PICTURES

THREE HOLE/STUD BOLT CIRCLE

ROUND FLUSH MTG

Cross Reference | NSN 6625-01-044-2560
Part Number Cage Code Manufacturer
MMI-966628304CUSTOM METERING COMPANY INC
A624-211021269ESSEX ELECTRO ENGINEERS, INC.
328AS171-157737HERMAN H STICHT COMPANY INCDBA MEGOHMER VIBRATING REED &
MMI-966627197METERMASTER INCMETERMOD DIV
MK777-940BZM1MKC ELECTRONICS, INCDBA MK ELECTRONICS
328AS171-130003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
628-E56277221PHAOSTRON INSTRUMENT AND ELECTRONICCOMPANY
253R0-82889280Q V S INC
Technical Data | NSN 6625-01-044-2560
Characteristic Specifications
INSTALLATION DESIGN PANEL
INDICATOR TYPE DIAL W/POINTER
MOVEMENT TYPE MOVING COIL, PERMANENT MAGNET
MOVEMENT SUSPENSION METHOD JEWEL PIVOT BASE
FREQUENCY RESPONSE RANGE+390.000 TO +410.000 HERTZ
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 SOLDER LUG
SCALE SELECTION METHOD TERMINAL
DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS3000.0
POWER SOURCE EXTERNAL
CIRCUIT CURRENT FOR WHICH DESIGNED AC
FREQUENCY RATING400.0 HERTZ NOMINAL
PHASE SINGLE
STYLE DESIGNATOR ROUND FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.210 INCHES NOMINAL
METER DEPTH BEHIND MOUNTING FLANGE1.700 INCHES MAXIMUM
OVERALL DIAMETER2.695 INCHES MAXIMUM
OVERALL LENGTH2.100 INCHES MAXIMUM
MOUNTING FACILITY TYPE AND QUANTITY3 SCREW AND 3 UNTHREADED HOLE
MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE THREE HOLE/STUD BOLT CIRCLE
MOUNTING BOLT CIRCLE DIAMETER2.440 INCHES NOMINAL
MATERIAL STEEL
SURFACE TREATMENT ENAMEL
ENVIRONMENTAL PROTECTION SHOCK RESISTANT AND VIBRATION RESISTANT AND WATERTIGHT
FURNISHED ITEMS AND QUANTITYMTG HDW 3; TERM. HDW 2
FEATURES PROVIDED ZERO ADJUSTER
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
SPECIAL TEST FEATURESCONFORMS TO MIL-M-10304
CRITICALITY CODE JUSTIFICATIONFEAT
FSC APPLICATION DATATEST SET,ELECT. EQUIP.
END ITEM IDENTIFICATIONAIRCRAFT FMS-TA-4J,C-2A(REPROCURED),TOMCAT F-14,VIKING S-3B,HELICOPTER MH-53E,SH-60F,HH-60H,SEA KING H-3,ADVANCE ATTACK AH-1W,USCG SEARCH AND RESCUE HH-60J