NSN 6625-01-074-8854

Part Details | ELECTRICAL FREQUENCY METER

6625-01-074-8854 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: 33FG220, 33FG, 6625-01-074-8854, 01-074-8854, 6625010748854, 010748854

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66APR 09, 197901-074-885416454 ( METER, ELECTRICAL FREQUENCY )
REFERENCE DRAWINGS & PICTURES

FOUR HOLE/STUD RECTANGULAR/SQUARE

RECTANGULAR FLUSH MTG

Cross Reference | NSN 6625-01-074-8854
Part Number Cage Code Manufacturer
33FG22031356LEE CO THEJ B T DIV
33FG31356LEE CO THEJ B T DIV
Technical Data | NSN 6625-01-074-8854
Characteristic Specifications
INSTALLATION DESIGN PANEL
MOVEMENT TYPE VIBRATING REED
REGISTER QUANTITY1
RESONANT REED QUANTITY9
FREQUENCY RESPONSE RANGE+380.000 TO +420.000 HERTZ
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
STYLE DESIGNATOR RECTANGULAR FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.375 INCHES NOMINAL
METER DEPTH BEHIND MOUNTING FLANGE2.999 INCHES NOMINAL
OVERALL HEIGHT3.500 INCHES NOMINAL
OVERALL LENGTH3.342 INCHES NOMINAL
OVERALL WIDTH3.500 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED STUD
MOUNTING STUD DIAMETER0.112 INCHES NOMINAL
MOUNTING STUD LENGTH0.562 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE FOUR HOLE/STUD RECTANGULAR/SQUARE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.250 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.250 INCHES NOMINAL
MATERIAL PLASTIC
NUCLEAR HARDNESS CRITICAL FEATURE