6625-00-252-2685 METER,AUDIO LEVEL Index 6910-00-252-2688 PRINTED WIRING BOARD

National Stock Number:
6625-00-252-2687

Federal Supply Class:
6625

National Item Identification Number:
002522687

Description:
METER,AUDIO LEVEL

Detail:
AN INSTRUMENT WHICH MEASURES THE RATIO OF ELECTRICAL POWER WITH REFERENCE TO A PREDETERMINED VALUE AND IS CALIBRATED IN UNITS OF SOUND INTENSITY, USUALLY DECIBELS. THE VALUE MAY BE EXPRESSED BY MEANS OF A POINTER AND CALIBRATED DIAL OR A DIGITAL READOUT DISPLAY. IF OTHER THAN AUDIO FREQUENCY RANGES, SEE METER, NOISE LEVEL.


Manufacturer Information:
05-00-00-0292755NORTHROP GRUMMAN SYSTEMS CORP
1164924A79500WESTINGHOUSE ELECTRIC CORP
JANI681350JOINT ARMY-NAVY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MR25W125SPECIAL81350JOINT ARMY-NAVY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
MEASUREMENT RANGE-10.0 TO 6.0 DECIBELS SINGLE INDICATOR SINGLE RANGE
ACCURACY IN PERCENT-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
DIAL SCALE MARKING COLORBLACK SINGLE INDICATOR SINGLE RANGE
BACKGROUND COLORWHITE SINGLE INDICATOR SINGLE RANGE
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
STYLE DESIGNATORROUND FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.210 INCHES MAXIMUM
METER DEPTH BEHIND MOUNTING FLANGE1.600 INCHES MAXIMUM
OVERALL DIAMETER2.695 INCHES MAXIMUM
MOUNTING HOLE DIAMETER0.125 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLETHREE HOLE/STUD BOLT CIRCLE
MOUNTING BOLT CIRCLE DIAMETER2.440 INCHES NOMINAL
MATERIALPLASTIC
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81350
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEJANI6
DEFINITIVE GOVERNMENT SPEC/STD REFERENCEMR25W125SPECIAL


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