PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6474479Ammeter

General Motors Llc Dba General Motors · NSN 6625-00-635-4219 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-635-4219 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-635-4219. Primary manufacturer part number: 6474479.
Features
  • Ammeter — FSC 6625
  • Furnished Items and Quantity: CLAMP 1,NUT 2
  • Meter Depth Behind Mounting Flange: 1.813 INCHES NOMINAL IN
  • Scale Division Quantity: 5 SINGLE INDICATOR SINGLE RANGE
  • Movement Type: MOVING IRON VANE
  • Meter Body Diameter Behind Mounting Flange: 2.078 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Accuracy in Percent: -1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-635-4219, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Motors Llc Dba General Motors. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-635-4219
Primary Part Number6474479
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors
StatusCANCELLED
Furnished Items and QuantityCLAMP 1,NUT 2
Meter Depth Behind Mounting Flange1.813 INCHES NOMINAL IN
Scale Division Quantity5 SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Meter Body Diameter Behind Mounting Flange2.078 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Accuracy in Percent-1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Style DesignatorROUND FLUSH MTG
Features ProvidedZERO ADJUSTER
Indicator TypeDIAL W/POINTER
Power SourceEXTERNAL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Sensitivity Rating150.0 MILLIVOLTS
Panel for Which DesignedMAGNETIC
Installation DesignPANEL
Overall Diameter2.281 INCHES NOMINAL IN
Scale Selection MethodTERMINAL
Movement Suspension MethodTAUT BAND
Dielectric Withstanding Voltage in Volts2000.0
Circuit Construction TypeNONELECTRONIC
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Measurement Range-60.0 TO 60.0 AMPERES SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Nuclear Hardness Critical FeatureNONHARDENED
Power SourceEXTERNAL
Furnished Items and QuantityCLAMP 1,NUT 2
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-127-6040
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZZ
Weight0.0300 lbs
Cube0.0208 cu ft
Verified Substitutes 4
Ammeter
6610-00-971-487116175 INTERCHANGEABLE
Cover,transducer Wi
Teledyne Controls, Llc Dba Teledyne Controls
2910-01-044-9076150-1187 INTERCHANGEABLE
Yoke,governor Shaft
Cummins Power Generation Inc.
5331-01-107-409012222 INTERCHANGEABLE
O-Ring
Paragon Power Inc Sub of Great Lakes Power Products Inc
Cross-Reference Index
Part NumberManufacturer
6474479 General Motors Llc Dba General Motors (USA)
1501104M0DIFIED General Motors Corp (USA)
1503338 Rolls-Royce Solutions America Inc (USA)
16175 Harbormaster Marine, Inc (USA)
1501187 General Motors Corp (USA)
1503338 General Motors Corp (USA)
1501187 General Motors Llc Dba General Motors (USA)
23520723 General Motors Llc Dba General Motors (USA)
1503338 General Motors Llc Dba General Motors (USA)
6474479 Rolls-Royce Solutions America Inc (USA)
6474103 General Motors Llc Dba General Motors (USA)
23520723 General Motors Llc Dba General Motors Llc (USA)
Related Parts
SUCCESSOR 6625-00-127-6040 Ammeter
6610-00-971-4871INTERCHANGEABLE
COVER,TRANSDUCER WI
16175
2910-01-044-9076INTERCHANGEABLE
YOKE,GOVERNOR SHAFT
150-1187
5331-01-107-4090INTERCHANGEABLE
O-RING
12222

Frequently Asked Questions

What is NSN 6625-00-635-4219?

NSN 6625-00-635-4219 is a Ammeter, manufactured by General Motors Llc Dba General Motors, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-635-4219?

NSN 6625-00-635-4219 has 12 cross-referenced part numbers: 6474479 (General Motors Llc Dba General Motors), 1501104M0DIFIED (General Motors Corp), 1503338 (Rolls-Royce Solutions America Inc), 16175 (Harbormaster Marine, Inc), 1501187 (General Motors Corp) and 7 more.

What NSN replaces 6625-00-635-4219?

There are 4 known substitutes for 6625-00-635-4219: 6625-00-127-6040, 6610-00-971-4871, 2910-01-044-9076 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6474479?

Key specifications for 6474479: Furnished Items and Quantity: CLAMP 1,NUT 2; Meter Depth Behind Mounting Flange: 1.813 INCHES NOMINAL IN; Scale Division Quantity: 5 SINGLE INDICATOR SINGLE RANGE; Movement Type: MOVING IRON VANE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-635-4219 still in active supply?

NSN 6625-00-635-4219 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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