Product Details | ELECTRICAL FREQUENCY METER

6625-00-987-5595 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.

Part Alternates: MODEL254, EF091, 23330, 233-30, 4016, 4-016, 6625-00-987-5595, 00-987-5595, 6625009875595, 009875595

Instruments and Laboratory Equipment | Electrical and Electronic Properties Measuring and Testing Instruments

Supply Group (FSG) NSN Assign. NIIN
66 28 OCT 1966 00-987-5595

Drawings & Photos | NSN 6625-00-987-5595


Demand History | NSN 6625-00-987-5595

Part Number Request Date QTY Origin
6625-00-987-5595 2020-03-79 4 United States
6625-00-987-5595 2020-01-30 4 KR
6625-00-987-5595 2020-01-28 4 KR

Cross Reference | NSN 6625-00-987-5595

Part Number Cage Code Manufacturer
233-30 15309 JEWELL INSTRUMENTS, LLC DBA MODUTEC USE CAGE CODE 33005 FOR
4-016 50290 ELECTRO SWITCH CORP. DBA ARGA CONTROLS A UNIT OF ELECTRO
EF091 25496 HOLT BROS
EF091 25497 METERMASTER INC
MODEL254 3B182 GENERAL ELECTRIC SUPPLY CO DIV OF GENERAL ELECTRIC CO

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Technical Data | NSN 6625-00-987-5595

Characteristic Specifications
INSTALLATION DESIGN PANEL
(NON-CORE DATA) PANEL FOR WHICH DESIGNED MAGNETIC
(NON-CORE DATA) CIRCUIT CONSTRUCTION TYPE NONELECTRONIC
INDICATOR TYPE DIAL W/POINTER
MEASUREMENT RANGE 360.0 TO 440.0 HERTZ SINGLE INDICATOR SINGLE RANGE
ACCURACY IN PERCENT -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
SCALE GRADUATION TYPE LINEAR SINGLE INDICATOR SINGLE RANGE
SCALE DIVISION QUANTITY 80 SINGLE INDICATOR SINGLE RANGE
POINTER COLOR BLACK SINGLE INDICATOR SINGLE RANGE
DIAL SCALE MARKING COLOR BLACK SINGLE INDICATOR SINGLE RANGE
BACKGROUND COLOR WHITE SINGLE INDICATOR SINGLE RANGE
MOVEMENT TYPE MOVING COIL, PERMANENT MAGNET
FREQUENCY RESPONSE RANGE 360.000 TO 440.000 HERTZ
CIRCUIT ATTACHMENT METHOD AND QUANTITY 2 THREADED STUD
SENSITIVITY RATING 40.0 DECIBELS
SCALE SELECTION METHOD TERMINAL
DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS 3000.0
POWER SOURCE EXTERNAL
CIRCUIT CURRENT FOR WHICH DESIGNED AC
FREQUENCY RATING 400.0 HERTZ NOMINAL
STYLE DESIGNATOR C2 RECTANGULAR FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE 2.060 INCHES NOMINAL
METER DEPTH BEHIND MOUNTING FLANGE 1.375 INCHES NOMINAL
OVERALL HEIGHT 2.375 INCHES NOMINAL
OVERALL LENGTH 2.625 INCHES NOMINAL
OVERALL WIDTH 2.375 INCHES NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY 4 SCREW AND 4 UNTHREADED HOLE
MOUNTING HOLE DIAMETER 0.170 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE E3 FOUR HOLE/STUD RECTANGULAR/SQUARE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH 1.856 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH 1.856 INCHES NOMINAL
MATERIAL STEEL
SURFACE TREATMENT CHROMATE
NUCLEAR HARDNESS CRITICAL FEATURE NONHARDENED
ENVIRONMENTAL PROTECTION AIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
FURNISHED ITEMS AND QUANTITY NUT 8; LOCKWASHER 6; SEAL 1
SPECIAL MARKINGS ON BACK,SEALED DO NOT OPEN

Restrictions/Controls & Freight Information | NSN 6625-00-987-5595

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 061700 ELEC APPLIANCES/INSTRUMENTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 658 unknown
Originating Activity Code AJ U.S. Army Soldier's Biological and Chemical
Command
Natick, MA 01760
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable