PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

331C147H02Meter,special Scale

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 6625-00-624-0137 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-624-0137 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-624-0137. Primary manufacturer part number: 331C147H02.
Features
  • Meter,special Scale — FSC 6625
  • Circuit Current for Which Designed: DC
  • Style Designator: ROUND FLUSH MTG
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Special Markings: ARROW AND SET AT CENTER OF SCALE
  • Material: STEEL
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Color: UNABLE TO DECODE
Applications
  • Applications requiring Steel construction
General Description

The Meter,special Scale, cataloged under National Stock Number 6625-00-624-0137, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-624-0137
Primary Part Number331C147H02
Item NameMeter,special Scale
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Circuit Current for Which DesignedDC
Style DesignatorROUND FLUSH MTG
FSC Application DataTEST SET,ELECT. EQUIP.
Special MarkingsARROW AND SET AT CENTER OF SCALE
MaterialSTEEL
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
Unable to DecodeUNABLE TO DECODE
Installation DesignPANEL
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Furnished Items and QuantityNUT 3; WASHER,LOCK 3
Meter Depth Behind Mounting Flange1.500 INCHES MAXIMUM IN
Indicator TypeDIAL W/POINTER
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Circuit Attachment Method and Quantity2 SCREW AND 2 SOLDER LUG AND 2 THREADED STUD
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Sensitivity Rating200.0 MICROAMPERES
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Overall Diameter2.695 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Mounting Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-034-5064 (1268867)
HAZMATNo
Weight0.7500 lbs
Cube0.0080 cu ft
Verified Substitutes 12
6625-00-034-50641268867 SUCCESSOR
Meter,special Scale
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Ammeter
6625-00-045-3414776750 SUCCESSOR
Voltmeter
Lockheed Martin Corporation Div Rms - Mitchel Field
Ammeter
6625-00-089-8911SM-C-628713 SUCCESSOR
Meter,special Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-110-5890903716-1 SUCCESSOR
Ammeter
Honeywell International Inc. Div Aerospace - Torrance
6625-00-115-27528854800001 SUCCESSOR
Voltmeter
Gulton-Statham Transducers Inc
Meter,multiple Scale
6625-00-140-738510548824-4 SUCCESSOR
Voltmeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6625-00-231-88002836137 SUCCESSOR
Wattmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
1521 CLASS 52 Solartron Electronics Inc Weston Instruments Div (USA)
125R Solartron Electronics Inc Weston Instruments Div (USA)
560-938 Hickok Waekon Llc (USA)
331C147H02 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
SUCCESSOR 6625-00-034-5064 Meter,special Scale · 1268867
6625-00-037-9481SUCCESSOR
AMMETER
6625-00-045-3414SUCCESSOR
VOLTMETER
776750
6625-00-069-0685SUCCESSOR
AMMETER
6625-00-089-8911SUCCESSOR
METER,SPECIAL SCALE
SM-C-628713
6625-00-110-5890SUCCESSOR
AMMETER
903716-1
6625-00-115-2752SUCCESSOR
VOLTMETER
8854800001
6625-00-133-4662SUCCESSOR
METER,MULTIPLE SCALE
6625-00-140-7385SUCCESSOR
VOLTMETER
10548824-4
6625-00-231-8800SUCCESSOR
WATTMETER
2836137
6625-00-252-2275SUCCESSOR
AMMETER
6625-00-409-1253SUCCESSOR
METER,ARBITRARY SCALE
6049-6316

Frequently Asked Questions

What is NSN 6625-00-624-0137?

NSN 6625-00-624-0137 is a Meter,special Scale, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-624-0137?

NSN 6625-00-624-0137 has 4 cross-referenced part numbers: 1521 CLASS 52 (Solartron Electronics Inc Weston Instruments Div), 125R (Solartron Electronics Inc Weston Instruments Div), 560-938 (Hickok Waekon Llc), 331C147H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 6625-00-624-0137?

There are 12 known substitutes for 6625-00-624-0137: 6625-00-034-5064, 6625-00-037-9481, 6625-00-045-3414 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 331C147H02?

Key specifications for 331C147H02: Circuit Current for Which Designed: DC; Style Designator: ROUND FLUSH MTG; FSC Application Data: TEST SET,ELECT. EQUIP.; Special Markings: ARROW AND SET AT CENTER OF SCALE. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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