PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-013497Ammeter

Phaostron Instrument and Electronic Company · NSN 6625-00-814-0237 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-814-0237 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-814-0237. Primary manufacturer part number: 31-013497.
Features
  • Ammeter — FSC 6625
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
  • Style Designator: ROUND FLUSH MTG
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Color: UNABLE TO DECODE
  • Indicator Type: DIAL W/POINTER
  • Meter Body Diameter Behind Mounting Flange: 2.800 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-814-0237, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-814-0237
Primary Part Number31-013497
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusACTIVE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Indicator TypeDIAL W/POINTER
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Construction TypeNONELECTRONIC
Environmental ProtectionDUST RESISTANT
Movement TypeMOVING COIL, PERMANENT MAGNET
FSC Application DataTEST SET,ELECT. EQUIP.
Panel for Which DesignedNONMAGNETIC
Meter Depth Behind Mounting Flange3.660 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Installation DesignPANEL
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Overall Diameter3.510 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Scale Selection MethodTERMINAL
Dielectric Withstanding Voltage in Volts2000.0
Measurement Range+0.0 TO 500.0 MILLIAMPERES, AC SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.140 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Features ProvidedMAGNETIC SHIELD
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.1000 lbs
Cube0.0500 cu ft
Verified Substitutes 4
Wattmeter
6625-00-935-1423310-1 SUCCESSOR
Voltmeter
Custom Metering Company Inc
5999-00-151-4043310-1 INTERCHANGEABLE
Clip,electrical
Birnbach Co Inc
4730-01-340-9607830784 INTERCHANGEABLE
Tee,weldment
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
31-013497 PRIMARY Phaostron Instrument and Electronic Company (USA)
31-01 Phaostron Instrument and Electronic Company (USA)
830784 Teledyne Controls, Llc Dba Teledyne Controls (USA)
Related Parts
6625-00-242-5161SUCCESSOR
WATTMETER
6625-00-935-1423SUCCESSOR
VOLTMETER
310-1
5999-00-151-4043INTERCHANGEABLE
CLIP,ELECTRICAL
310-1
4730-01-340-9607INTERCHANGEABLE
TEE,WELDMENT
830784

Frequently Asked Questions

What is NSN 6625-00-814-0237?

NSN 6625-00-814-0237 is a Ammeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-814-0237?

NSN 6625-00-814-0237 has 3 cross-referenced part numbers: 31-013497 (Phaostron Instrument and Electronic Company), 31-01 (Phaostron Instrument and Electronic Company), 830784 (Teledyne Controls, Llc Dba Teledyne Controls).

What NSN replaces 6625-00-814-0237?

There are 4 known substitutes for 6625-00-814-0237: 6625-00-242-5161, 6625-00-935-1423, 5999-00-151-4043 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-013497?

Key specifications for 31-013497: Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE; Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE; Style Designator: ROUND FLUSH MTG; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE. 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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