PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

331C147H09Meter,arbitrary Scale

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 6625-00-877-0678 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-877-0678 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-877-0678. Primary manufacturer part number: 331C147H09.
Features
  • Meter,arbitrary Scale — FSC 6625
  • Circuit Attachment Method and Quantity: 2 SOLDER LUG AND 2 THREADED STUD
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Mounting Hole Diameter: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Meter,arbitrary Scale, cataloged under National Stock Number 6625-00-877-0678, 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-877-0678
Primary Part Number331C147H09
Item NameMeter,arbitrary Scale
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Mounting Hole Diameter0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
FSC Application DataTEST SET,ELECT. EQUIP.
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
MaterialSTEEL
Nuclear Hardness Critical FeatureNONHARDENED
Style DesignatorROUND FLUSH MTG
Unable to DecodeUNABLE TO DECODE
ColorUNABLE TO DECODE
Movement Suspension MethodJEWEL PIVOT BASE
Special Test FeaturesCONFORMS TO MIL-M-10304
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Sensitivity Rating100.0 MICROAMPERES
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Overall Diameter2.695 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Meter Depth Behind Mounting Flange1.500 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityNUT 3
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-034-5064 (1268867)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.5200 lbs
Cube0.0496 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
125R Simpson Electric Company, Inc. (USA)
M125R Simpson Electric Company, Inc. (USA)
331C147H09 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
331C147H09 Westinghouse Electric 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 6625-00-877-0678?

NSN 6625-00-877-0678 is a Meter,arbitrary 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 6625-00-877-0678?

NSN 6625-00-877-0678 has 4 cross-referenced part numbers: 125R (Simpson Electric Company, Inc.), M125R (Simpson Electric Company, Inc.), 331C147H09 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 331C147H09 (Westinghouse Electric Corp).

What NSN replaces 6625-00-877-0678?

There are 12 known substitutes for 6625-00-877-0678: 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 331C147H09?

Key specifications for 331C147H09: Overall Length: 2.130 INCHES MAXIMUM IN; Circuit Attachment Method and Quantity: 2 SOLDER LUG AND 2 THREADED STUD; Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER; Mounting Hole Diameter: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN. 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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