PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR13P050DCMARAmmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-881-7727 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-881-7727 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-881-7727. Primary manufacturer part number: MR13P050DCMAR.
Features
  • Ammeter — FSC 6625
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.106 INCHES MINIMUM AND 1.118 INCHES MAXIMUM IN
  • Dial Scale Marking Color: WHITE SINGLE INDICATOR SINGLE RANGE
  • Scale Division Quantity: 3 SINGLE INDICATOR SINGLE RANGE
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Meter Depth Behind Mounting Flange: 1.250 INCHES MAXIMUM IN
  • Color: UNABLE TO DECODE
  • Test Data Document: 81349-MIL-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.).
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-881-7727, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-881-7727
Primary Part NumberMR13P050DCMAR
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
Center to Center Distance Between Mounting Facilities Parallel to Length1.106 INCHES MINIMUM AND 1.118 INCHES MAXIMUM IN
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity3 SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Meter Depth Behind Mounting Flange1.250 INCHES MAXIMUM IN
ColorUNABLE TO DECODE
Test Data Document81349-MIL-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.).
Style DesignatorRECTANGULAR FLUSH MTG
Movement TypeMOVING COIL, PERMANENT MAGNET
Sensitivity Rating50.0 MILLIAMPERES
Circuit Attachment Method and Quantity2 SOLDER LUG
Indicator TypeDIAL W/POINTER
Installation DesignPANEL
Meter Body Diameter Behind Mounting Flange1.510 INCHES MAXIMUM IN
Movement Suspension MethodMETAL PIVOT BASE
Measurement Range+0.0 TO 50.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Dielectric Withstanding Voltage in Volts1500.0
Features ProvidedSELF-ILLUMINATION FACILITY
Mounting Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Circuit Current for Which DesignedDC
Center to Center Distance Between Mounting Facilities Parallel to Width1.106 INCHES MINIMUM AND 1.118 INCHES MAXIMUM IN
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Length1.106 INCHES MINIMUM AND 1.118 INCHES MAXIMUM IN
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity3 SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-931-7136
HAZMATNo
Verified Substitutes 3
Ammeter
Meter,multiple Scale
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MR13P050DCMAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILM10304-24 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
631632-007 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
MIL-PRF-10304/24 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
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 6625-00-881-7727?

NSN 6625-00-881-7727 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 6625-00-881-7727?

NSN 6625-00-881-7727 has 4 cross-referenced part numbers: MR13P050DCMAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILM10304-24 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 631632-007 (Lockheed Martin Corporation Div Rms - Mitchel Field), MIL-PRF-10304/24 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-881-7727?

There are 3 known substitutes for 6625-00-881-7727: 6625-00-931-7136, 6625-01-049-8572, 6625-01-394-8928. Verify interchangeability with system specifications before substitution.

What are the specifications of MR13P050DCMAR?

Key specifications for MR13P050DCMAR: Center to Center Distance Between Mounting Facilities Parallel to Length: 1.106 INCHES MINIMUM AND 1.118 INCHES MAXIMUM IN; Overall Length: 1.625 INCHES MAXIMUM IN; Dial Scale Marking Color: WHITE SINGLE INDICATOR SINGLE RANGE; Scale Division Quantity: 3 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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