PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1522-03390Ammeter

Simpson Electric Company, Inc. · NSN 6625-00-924-0328 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-924-0328 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-924-0328. Primary manufacturer part number: 1522-03390.
Features
  • Ammeter — FSC 6625
  • Indicator Type: DIAL W/POINTER
  • Circuit Construction Type: NONELECTRONIC
  • Scale Graduation Type: NONLINEAR SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S)
  • Installation Design: PANEL
  • Reliability Indicator: NOT ESTABLISHED
  • Mounting Hole Diameter: 0.190 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-924-0328, 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 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-924-0328
Primary Part Number1522-03390
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Indicator TypeDIAL W/POINTER
Circuit Construction TypeNONELECTRONIC
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S)
Installation DesignPANEL
Reliability IndicatorNOT ESTABLISHED
Mounting Hole Diameter0.190 INCHES NOMINAL IN
Meter Body Width Behind Mounting Flange2.380 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
FSC Application DataTEST SET,ELECT. EQUIP.
MaterialPLASTIC
Nuclear Hardness Critical FeatureNONHARDENED
Power SourceEXTERNAL
Surface TreatmentENAMEL
ColorUNABLE TO DECODE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Meter Depth Behind Mounting Flange0.630 INCHES NOMINAL IN
Distance Between Mounting Facility Centers2.060 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTWO HOLE/STUD
Circuit Current for Which DesignedDC
Movement Suspension MethodTAUT BAND
Features ProvidedMAGNETIC SHIELD
Measurement Range+0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Meter Body Height Behind Mounting Flange1.780 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 12
Electronic Components Assembly
Test Set,signal Generator
5365-00-003-41623390 INTERCHANGEABLE
Plug,machine Thread
Husco International Inc
3110-00-097-9610 INTERCHANGEABLE
Bearing,ball,annular
2530-00-234-29882954348 INTERCHANGEABLE
Cylinder,hydraulic Brake,wheel
Chrysler Realty Company Llc Dba Daimler Chrysler
1420-00-440-58723390 INTERCHANGEABLE
Check,pump
Eaton Aerospace, Llc Dba Jackson South
3030-00-528-4514 INTERCHANGEABLE
Belt,v
5935-00-615-688933-90 INTERCHANGEABLE
Adapter,connector
Te Connectivity Corporation Dba Microdot Products
5905-00-807-903833-90 INTERCHANGEABLE
Resistor,fixed,film
Keysight Technologies Inc
5950-00-928-790608-00419-000 INTERCHANGEABLE
Transformer,audio Frequency
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
1522-03390 Simpson Electric Company, Inc. (USA)
3390 Ampex Systems Corp (USA)
3390 Simpson Electric Co Simpson Instruments Div (USA)
3390 Simpson Electric Company, Inc. (USA)
Related Parts
5998-01-324-1892SUCCESSOR
ELECTRONIC COMPONENTS ASSEMBLY
6625-01-618-6049SUCCESSOR
TEST SET,SIGNAL GENERATOR
5365-00-003-4162INTERCHANGEABLE
PLUG,MACHINE THREAD
3390
3110-00-097-9610INTERCHANGEABLE
BEARING,BALL,ANNULAR
2530-00-234-2988INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,WHEEL
2954348
1420-00-440-5872INTERCHANGEABLE
CHECK,PUMP
3390
3030-00-528-4514INTERCHANGEABLE
BELT,V
5935-00-615-6889INTERCHANGEABLE
ADAPTER,CONNECTOR
33-90
5905-00-807-9038INTERCHANGEABLE
RESISTOR,FIXED,FILM
33-90
5950-00-928-7906INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
08-00419-000
3020-01-022-2139INTERCHANGEABLE
PINION,INDICATOR,AIR SPEED
3390
6730-01-115-4425INTERCHANGEABLE
CASE,PHOTOGRAPHIC PROJECTOR

Frequently Asked Questions

What is NSN 6625-00-924-0328?

NSN 6625-00-924-0328 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 6625-00-924-0328?

NSN 6625-00-924-0328 has 4 cross-referenced part numbers: 1522-03390 (Simpson Electric Company, Inc.), 3390 (Ampex Systems Corp), 3390 (Simpson Electric Co Simpson Instruments Div), 3390 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-924-0328?

There are 12 known substitutes for 6625-00-924-0328: 5998-01-324-1892, 6625-01-618-6049, 5365-00-003-4162 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1522-03390?

Key specifications for 1522-03390: Indicator Type: DIAL W/POINTER; Circuit Construction Type: NONELECTRONIC; Scale Graduation Type: NONLINEAR SINGLE INDICATOR SINGLE RANGE; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S). 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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