Product Details | ELECTRICAL FREQUENCY METER

6625-00-789-1247 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: 41005498, 410-05498, 65081, 6508-1, 6625-00-789-1247, 00-789-1247, 6625007891247, 007891247

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

Supply Group (FSG) NSN Assign. NIIN
66 01 JAN 1962 00-789-1247

Drawings & Photos | NSN 6625-00-789-1247


Cross Reference | NSN 6625-00-789-1247

Part Number Cage Code Manufacturer
410-05498 77221 PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY
6508-1 27777 L-3 COMMUNICATIONS CORPORATION DBA WARRIOR SYSTEMS DIVISION

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Technical Data | NSN 6625-00-789-1247

Characteristic Specifications
INSTALLATION DESIGN PANEL
(NON-CORE DATA) PANEL FOR WHICH DESIGNED NONMAGNETIC
(NON-CORE DATA) CIRCUIT CONSTRUCTION TYPE NONELECTRONIC
INDICATOR TYPE DIAL W/POINTER
MEASUREMENT RANGE 394.0 TO 404.0 HERTZ SINGLE INDICATOR 1ST RANGE 340.0 TO 440.0 HERTZ SINGLE INDICATOR 2ND RANGE
ACCURACY IN PERCENT -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
SCALE GRADUATION TYPE LINEAR SINGLE INDICATOR ALL RANGES
SCALE DIVISION QUANTITY 50 SINGLE INDICATOR ALL RANGES
POINTER COLOR BLACK SINGLE INDICATOR ALL RANGES
DIAL SCALE MARKING COLOR BLACK SINGLE INDICATOR ALL RANGES
BACKGROUND COLOR WHITE SINGLE INDICATOR ALL RANGES
MOVEMENT TYPE MOVING COIL, PERMANENT MAGNET
MOVEMENT SUSPENSION METHOD JEWEL PIVOT BASE
FREQUENCY RESPONSE RANGE 340.000 TO 440.000 HERTZ
CIRCUIT ATTACHMENT METHOD AND QUANTITY 2 WIRE LEAD
SCALE SELECTION METHOD TERMINAL
DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS 3000.0
POWER SOURCE EXTERNAL
CIRCUIT CURRENT FOR WHICH DESIGNED AC
OPERATING VOLTAGE RATING IN VOLTS 440.0 AC NOMINAL
FREQUENCY RATING 390.0 HERTZ NOMINAL
STYLE DESIGNATOR C1 ROUND FLUSH MTG
METER BODY DIAMETER BEHIND MOUNTING FLANGE 3.600 INCHES MAXIMUM
METER DEPTH BEHIND MOUNTING FLANGE 1.400 INCHES MAXIMUM
OVERALL DIAMETER 4.500 INCHES MAXIMUM
OVERALL LENGTH 2.150 INCHES MAXIMUM
MOUNTING FACILITY TYPE AND QUANTITY 3 SCREW AND 3 UNTHREADED HOLE
MOUNTING HOLE DIAMETER 0.200 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE E5 THREE HOLE/STUD BOLT CIRCLE
MOUNTING BOLT CIRCLE DIAMETER 4.124 INCHES MAXIMUM
MATERIAL PLASTIC
SURFACE TREATMENT PAINT
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 3; LOCKWASHER 3; SEAL 1
SPECIAL MARKINGS ON BACK,SEALED DO NOT OPEN
FEATURES PROVIDED MAGNETIC SHIELD AND ZERO ADJUSTER
SPECIAL FEATURES RUGGEDIZED
SPECIAL TEST FEATURES COMPLIES WITH MIL-M-10304
III FSC APPLICATION DATA TEST SET,ELECT. EQUIP.

Restrictions/Controls & Freight Information | NSN 6625-00-789-1247

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 136740 METERS ELEC/PARTS
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 657 unknown
Originating Activity Code XX
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

Management | NSN 6625-00-789-1247

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative