PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125RAmmeter

Simpson Electric Company, Inc. · NSN 6625-00-069-0685 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-069-0685 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-069-0685. Primary manufacturer part number: 125R.
Features
  • Ammeter — FSC 6625
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Measurement Range: +0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Circuit Construction Type: NONELECTRONIC
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Indicator Type: DIAL W/POINTER
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-069-0685, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-069-0685
Primary Part Number125R
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Measurement Range+0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Indicator TypeDIAL W/POINTER
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Installation DesignPANEL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Meter Depth Behind Mounting Flange1.062 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.150 INCHES NOMINAL IN
Sensitivity Rating75.0 MILLIVOLTS
FSC Application DataTEST SET ELECTRONIC
Movement Suspension MethodJEWEL PIVOT BASE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Overall Diameter2.690 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Verified Substitutes 5
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-476-1875476-0255-010 SUCCESSOR
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-624-0137331C147H02 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-877-0678331C147H09 SUCCESSOR
Meter,arbitrary Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-01-272-6290A80040 SUCCESSOR
Ammeter
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
125R Simpson Electric Company, Inc. (USA)
200-10717 Phaostron Instrument and Electronic Company (USA)
SP1183-3 Veeco Instruments Inc Lambda Div (USA)
125R American Gage and Machine Co (USA)
Related Parts
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010
6625-00-624-0137SUCCESSOR
METER,SPECIAL SCALE
331C147H02
6625-00-877-0678SUCCESSOR
METER,ARBITRARY SCALE
331C147H09
6625-01-272-6290SUCCESSOR
AMMETER
A80040

Frequently Asked Questions

What is NSN 6625-00-069-0685?

NSN 6625-00-069-0685 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 6625-00-069-0685?

NSN 6625-00-069-0685 has 4 cross-referenced part numbers: 125R (Simpson Electric Company, Inc.), 200-10717 (Phaostron Instrument and Electronic Company), SP1183-3 (Veeco Instruments Inc Lambda Div), 125R (American Gage and Machine Co).

What NSN replaces 6625-00-069-0685?

There are 5 known substitutes for 6625-00-069-0685: 6625-00-004-8446, 6625-00-476-1875, 6625-00-624-0137 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 125R?

Key specifications for 125R: Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 THREADED STUD; Measurement Range: +0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE; Circuit Construction Type: NONELECTRONIC. 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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