PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR24W030DCAARAmmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-032-4872 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-032-4872 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-032-4872. Primary manufacturer part number: MR24W030DCAAR.
Features
  • Ammeter — FSC 6625
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Measurement Range: +0.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Material: PLASTIC
  • Color: UNABLE TO DECODE
  • Meter Depth Behind Mounting Flange: 1.860 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-032-4872, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 27 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-032-4872
Primary Part NumberMR24W030DCAAR
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Measurement Range+0.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
ColorUNABLE TO DECODE
Meter Depth Behind Mounting Flange1.860 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Overall Diameter2.695 INCHES NOMINAL IN
Sensitivity Rating50.0 MILLIVOLTS
Movement TypeMOVING COIL, PERMANENT MAGNET
Style DesignatorROUND FLUSH MTG
Nuclear Hardness Critical FeatureNONHARDENED
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Panel for Which DesignedMAGNETIC
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Installation DesignPANEL
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Measurement Range+0.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 4
6625-00-186-8297 INTERCHANGEABLE
Ammeter
6625-00-231-0735 INTERCHANGEABLE
Ammeter
6625-01-209-6892 INTERCHANGEABLE
Ammeter
6625-01-216-2441 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MR24W030DCAAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
6401-1439063REVAPC26 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MR24W030DCAA Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-10304/37 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6625-00-186-8297INTERCHANGEABLE
AMMETER
6625-00-231-0735INTERCHANGEABLE
AMMETER
6625-01-209-6892INTERCHANGEABLE
AMMETER
6625-01-216-2441INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-032-4872?

NSN 6625-00-032-4872 is a Ammeter, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-032-4872?

NSN 6625-00-032-4872 has 4 cross-referenced part numbers: MR24W030DCAAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 6401-1439063REVAPC26 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MR24W030DCAA (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/37 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-032-4872?

There are 4 known substitutes for 6625-00-032-4872: 6625-00-186-8297, 6625-00-231-0735, 6625-01-209-6892 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR24W030DCAAR?

Key specifications for MR24W030DCAAR: Mounting Hole Diameter: 0.125 INCHES NOMINAL IN; Circuit Attachment Method and Quantity: 2 THREADED STUD; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Special Features: PLASTIC WINDOW PER MIL SPEC MILP80B. 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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