PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-230Ammeter

Ideal Precision Meter Co Dba Ideal Precision Meter Co · NSN 6625-00-037-9481 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-037-9481 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-037-9481. Primary manufacturer part number: R-230.
Features
  • Ammeter — FSC 6625
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
  • Circuit Current for Which Designed: AC
  • Circuit Construction Type: NONELECTRONIC
  • Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES
  • Measurement Range: +0.0 TO 5.0 MILLIAMPERES, AC SINGLE INDICATOR FIRST RANGE
  • Circuit Attachment Method and Quantity: 2 SOLDER LUG
  • Power Source: EXTERNAL
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-037-9481, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ideal Precision Meter Co Dba Ideal Precision Meter Co. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-037-9481
Primary Part NumberR-230
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerIdeal Precision Meter Co Dba Ideal Precision Meter Co
StatusACTIVE
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Circuit Current for Which DesignedAC
Circuit Construction TypeNONELECTRONIC
Scale Graduation TypeLINEAR SINGLE INDICATOR ALL RANGES
Measurement Range+0.0 TO 5.0 MILLIAMPERES, AC SINGLE INDICATOR FIRST RANGE
Circuit Attachment Method and Quantity2 SOLDER LUG
Power SourceEXTERNAL
Dielectric Withstanding Voltage in Volts3000.0
ColorUNABLE TO DECODE
MaterialSTEEL
Furnished Items and QuantityNUT 7; WASHER 7
Overall Diameter2.695 INCHES MAXIMUM IN
Surface TreatmentENAMEL
Movement Suspension MethodTAUT BAND
Measurement Range+0.0 TO 50.0 MILLIAMPERES, AC SINGLE INDICATOR SECOND RANGE
FSC Application DataELEC. ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Special Test FeaturesCONFORMS TO MIL-M-10304/9,TYPE MR26W SPECR
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Installation DesignPANEL
Style DesignatorROUND FLUSH MTG
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Indicator TypeDIAL W/POINTER
Scale Division Quantity50 SINGLE INDICATOR ALL RANGES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.4400 lbs
Cube0.0200 cu ft
Verified Substitutes 10
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-332-6211SC-C-24420 SUCCESSOR
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-476-1875476-0255-010 SUCCESSOR
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-555-2264628 SUCCESSOR
Generator,signal
Keysight Technologies Inc
6625-00-624-0137331C147H02 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-730-8550628 SUCCESSOR
Lead,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
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)
Server,automatic Data Processing
1560-00-336-1457190-48402 INTERCHANGEABLE
Tank,fuel,aircraft
The Boeing Company Div Legacy Am&m
Cross-Reference Index
Part NumberManufacturer
R-230 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
621 Phaostron Instrument and Electronic Company (USA)
19048402 Tm Systems, Inc. Dba Api Technologies Div Api Technologies - Power Solutions (USA)
628 Phaostron Instrument and Electronic Company (USA)
125R Simpson Electric Company, Inc. (USA)
Related Parts
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-332-6211SUCCESSOR
MULTIMETER
SC-C-24420
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010
6625-00-555-2264SUCCESSOR
GENERATOR,SIGNAL
628
6625-00-624-0137SUCCESSOR
METER,SPECIAL SCALE
331C147H02
6625-00-730-8550SUCCESSOR
LEAD,TEST
628
6625-00-877-0678SUCCESSOR
METER,ARBITRARY SCALE
331C147H09
6625-01-272-6290SUCCESSOR
AMMETER
A80040
7035-01-663-1982SUCCESSOR
SERVER,AUTOMATIC DATA PROCESSING
1560-00-336-1457INTERCHANGEABLE
TANK,FUEL,AIRCRAFT
190-48402

Frequently Asked Questions

What is NSN 6625-00-037-9481?

NSN 6625-00-037-9481 is a Ammeter, manufactured by Ideal Precision Meter Co Dba Ideal Precision Meter Co, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-037-9481?

NSN 6625-00-037-9481 has 5 cross-referenced part numbers: R-230 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), 621 (Phaostron Instrument and Electronic Company), 19048402 (Tm Systems, Inc. Dba Api Technologies Div Api Technologies - Power Solutions), 628 (Phaostron Instrument and Electronic Company), 125R (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-037-9481?

There are 10 known substitutes for 6625-00-037-9481: 6625-00-004-8446, 6625-00-332-6211, 6625-00-476-1875 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R-230?

Key specifications for R-230: Pointer Color: BLACK SINGLE INDICATOR ALL RANGES; Circuit Current for Which Designed: AC; Circuit Construction Type: NONELECTRONIC; Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES. 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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