PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR13W001DCMAAmmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-720-3127 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-720-3127 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-720-3127. Primary manufacturer part number: MR13W001DCMA.
Features
  • Ammeter — FSC 6625
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S)
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Circuit Attachment Method and Quantity: 2 SOLDER LUG AND 2 SOLDER STUD
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Test Data Document: 81349-MIL-M-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Surface Treatment: PAINT
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-720-3127, 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 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-720-3127
Primary Part NumberMR13W001DCMA
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
StatusCANCELLED
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 SCREW AND 4 UNTHREADED HOLE(S)
Movement TypeMOVING COIL, PERMANENT MAGNET
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 SOLDER STUD
FSC Application DataTEST SET,ELECT. EQUIP.
Test Data Document81349-MIL-M-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Surface TreatmentPAINT
Style DesignatorRECTANGULAR FLUSH MTG
Specification/standard Data81349-MIL-M-10304/24 GOVERNMENT SPECIFICATION
MaterialSTEEL
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
Special Test FeaturesCOMPLIES WITH MIL-M-10304
Sensitivity Rating150.0 MILLIVOLTS
Indicator TypeDIAL W/POINTER
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.000 INCHES MAXIMUM IN
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Panel for Which DesignedMAGNETIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange1.510 INCHES MAXIMUM IN
Circuit Current for Which DesignedDC
Scale Selection MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-931-7136
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.4718 lbs
Cube0.0286 cu ft
Verified Substitutes 3
Ammeter
Meter,multiple Scale
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MR13W001DCMA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR13W001DCMAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-10304/24 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
72P04972G004 Motorola Inc. Dba Integrated Information Systems Group (USA)
ES550 Drs Sustainment Systems, Inc. (USA)
MR13W001DCMAR Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
MIL-PRF-10304/24 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR13W001DCMAR American Instrument Corp (USA)
Related Parts
SUCCESSOR 6625-00-931-7136 Ammeter
6625-01-049-8572SUCCESSOR
METER,MULTIPLE SCALE
6625-01-394-8928SUCCESSOR
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-720-3127?

NSN 6625-00-720-3127 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: cancelled.

What are the part numbers for NSN 6625-00-720-3127?

NSN 6625-00-720-3127 has 8 cross-referenced part numbers: MR13W001DCMA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR13W001DCMAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-10304/24 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 72P04972G004 (Motorola Inc. Dba Integrated Information Systems Group), ES550 (Drs Sustainment Systems, Inc.) and 3 more.

What NSN replaces 6625-00-720-3127?

There are 3 known substitutes for 6625-00-720-3127: 6625-00-931-7136, 6625-01-049-8572, 6625-01-394-8928. Verify interchangeability with system specifications before substitution.

What are the specifications of MR13W001DCMA?

Key specifications for MR13W001DCMA: Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE; Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S); Overall Length: 1.625 INCHES MAXIMUM IN; Special Features: RUGGEDIZED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-720-3127 still in active supply?

NSN 6625-00-720-3127 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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