PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125Ammeter

Simpson Electric Company, Inc. · NSN 6625-00-849-9456 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-849-9456 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-849-9456. Primary manufacturer part number: 125.
Features
  • Ammeter — FSC 6625
  • Measurement Range: +0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Meter Body Diameter Behind Mounting Flange: 2.172 INCHES NOMINAL IN
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY ITEM NAME AND MEASUREMENT RANGE REQUIREMENTS
  • Installation Design: PANEL
  • Style Designator: ROUND FLUSH MTG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-849-9456, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-849-9456
Primary Part Number125
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Measurement Range+0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.172 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY ITEM NAME AND MEASUREMENT RANGE REQUIREMENTS
Installation DesignPANEL
Style DesignatorROUND FLUSH MTG
Movement TypeMOVING COIL, PERMANENT MAGNET
ColorUNABLE TO DECODE
Sensitivity Rating50.0 MILLIVOLTS
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter2.420 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.391 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.130 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Circuit Current for Which DesignedDC
Circuit Attachment Method and Quantity2 THREADED STUD
Overall Diameter2.688 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.172 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY ITEM NAME AND MEASUREMENT RANGE REQUIREMENTS
Installation DesignPANEL
Style DesignatorROUND FLUSH MTG
Movement TypeMOVING COIL, PERMANENT MAGNET
ColorUNABLE TO DECODE
Sensitivity Rating50.0 MILLIVOLTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5999-00-069-1793101-15 SUCCESSOR
Heat Sink,electrical-Electronic
General Dynamics Mission Systems, Inc. Dba Gdms
6625-00-233-468082-178 SUCCESSOR
Meter,audio Level
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Generator,signal
6625-00-017-8867125 INTERCHANGEABLE
Generator,signal
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
6625-00-255-012004194 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
6625-00-643-1755 INTERCHANGEABLE
Voltmeter
6625-00-736-8586289Z14D2 INTERCHANGEABLE
Voltmeter
Morris Material Handling, Inc.
6625-00-767-4255125-01500 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
6625-01-180-0391 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
125 Simpson Electric Company, Inc. (USA)
Related Parts
5999-00-069-1793SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
101-15
6625-00-233-4680SUCCESSOR
METER,AUDIO LEVEL
82-178
6625-01-068-1212SUCCESSOR
GENERATOR,SIGNAL
6625-00-017-8867INTERCHANGEABLE
GENERATOR,SIGNAL
125
6625-00-255-0120INTERCHANGEABLE
AMMETER
04194
6625-00-643-1755INTERCHANGEABLE
VOLTMETER
6625-00-736-8586INTERCHANGEABLE
VOLTMETER
289Z14D2
6625-00-767-4255INTERCHANGEABLE
AMMETER
125-01500
6625-01-180-0391INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 6625-00-849-9456?

NSN 6625-00-849-9456 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-849-9456?

NSN 6625-00-849-9456 has 1 cross-referenced part number: 125 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-849-9456?

There are 9 known substitutes for 6625-00-849-9456: 5999-00-069-1793, 6625-00-233-4680, 6625-01-068-1212 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125?

Key specifications for 125: Measurement Range: +0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE; Meter Body Diameter Behind Mounting Flange: 2.172 INCHES NOMINAL IN; Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE; Movement Suspension Method: JEWEL PIVOT BASE. 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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