PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

04271-0506Ammeter

Jewell Instruments Llc · NSN 6625-00-179-3847 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-179-3847 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-179-3847. Primary manufacturer part number: 04271-0506.
Features
  • Ammeter — FSC 6625
  • Dielectric Withstanding Voltage in Volts: 2000.0
  • Power Source: EXTERNAL
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Movement Suspension Method: TAUT BAND
  • Measurement Range: +0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
  • Phase: SINGLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-179-3847, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-179-3847
Primary Part Number04271-0506
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Dielectric Withstanding Voltage in Volts2000.0
Power SourceEXTERNAL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Measurement Range+0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
PhaseSINGLE
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Hole Diameter0.143 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
Overall Diameter3.510 INCHES MAXIMUM IN
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Movement TypeMOVING IRON VANE
Circuit Construction TypeNONELECTRONIC
Installation DesignPANEL
Features ProvidedZERO ADJUSTER
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Meter Depth Behind Mounting Flange1.660 INCHES MAXIMUM IN
Surface TreatmentPAINT LUSTERLESS
Nuclear Hardness Critical FeatureNONHARDENED
Indicator TypeDIAL W/POINTER
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedAC
Scale Division Quantity25 SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 6
6625-00-133-7673A265-1100 INTERCHANGEABLE
Ammeter
Essex Electro Engineers Inc
6625-00-683-9423 INTERCHANGEABLE
Ammeter
6625-00-856-476552681 INTERCHANGEABLE
Ammeter
Stewart & Stevenson Power Products Llc
6625-00-948-016277C707996P001 INTERCHANGEABLE
Voltmeter
Lockheed Martin Corporation Div Rms
6625-01-005-6584 INTERCHANGEABLE
Meter,special Scale
6625-01-106-718813217E4129 INTERCHANGEABLE
Meter,special Scale
Cecom Lr Center
Cross-Reference Index
Part NumberManufacturer
04271-0506 Jewell Instruments Llc (USA)
637-14738 Phaostron Instrument and Electronic Company (USA)
637 Phaostron Instrument and Electronic Company (USA)
366-059 Jewell Instruments Llc (USA)
04271-0506 Harsco Corp Bmy-Combat Systems Div (USA)
Related Parts
6625-00-133-7673INTERCHANGEABLE
AMMETER
A265-1100
6625-00-683-9423INTERCHANGEABLE
AMMETER
6625-00-856-4765INTERCHANGEABLE
AMMETER
52681
6625-00-948-0162INTERCHANGEABLE
VOLTMETER
77C707996P001
6625-01-005-6584INTERCHANGEABLE
METER,SPECIAL SCALE
6625-01-106-7188INTERCHANGEABLE
METER,SPECIAL SCALE
13217E4129

Frequently Asked Questions

What is NSN 6625-00-179-3847?

NSN 6625-00-179-3847 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-179-3847?

NSN 6625-00-179-3847 has 5 cross-referenced part numbers: 04271-0506 (Jewell Instruments Llc), 637-14738 (Phaostron Instrument and Electronic Company), 637 (Phaostron Instrument and Electronic Company), 366-059 (Jewell Instruments Llc), 04271-0506 (Harsco Corp Bmy-Combat Systems Div).

What NSN replaces 6625-00-179-3847?

There are 6 known substitutes for 6625-00-179-3847: 6625-00-133-7673, 6625-00-683-9423, 6625-00-856-4765 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 04271-0506?

Key specifications for 04271-0506: Dielectric Withstanding Voltage in Volts: 2000.0; Power Source: EXTERNAL; Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE; Pointer 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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