PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR26B5T5DCUARAmmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-057-3629 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-057-3629 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-057-3629. Primary manufacturer part number: MR26B5T5DCUAR.
Features
  • Ammeter — FSC 6625
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Measurement Range: -50.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Power Source: EXTERNAL
  • Pointer Color: WHITE SINGLE INDICATOR SINGLE RANGE
  • Scale Selection Method: TERMINAL
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-057-3629, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-057-3629
Primary Part NumberMR26B5T5DCUAR
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
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range-50.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Pointer ColorWHITE SINGLE INDICATOR SINGLE RANGE
Scale Selection MethodTERMINAL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Surface TreatmentENAMEL SEMIGLOSS
Mounting Hole Diameter0.125 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Style DesignatorROUND FLUSH MTG
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Supplementary Features150 MV MAX POWER CONSUMPTION
Test Data Document81349-MIL-PRF-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 Document and ClassificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE
Furnished Items and QuantityNUT 7; LOCKWASHER 5; SEAL 1
Dielectric Withstanding Voltage in Volts3000.0
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
MaterialSTEEL CORROSION RESISTING
Specification/standard Data81349-MIL-PRF-10304/5 GOVERNMENT SPECIFICATION
Overall Diameter2.695 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Circuit Current for Which DesignedDC
Installation DesignPANEL
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-220-9986
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 7
Meter,audio Level
Ammeter
Ammeter
6625-00-913-725463A3D26 SUCCESSOR
Meter,arbitrary Scale
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Meter,arbitrary Scale
6625-01-168-6813P10304-004-01 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-01-483-3636265-907 SUCCESSOR
Ammeter
Jewell Instruments Llc
Cross-Reference Index
Part NumberManufacturer
MR26B5T5DCUAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-10304/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-10304/5 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-220-9986 Meter,audio Level
6625-00-725-8151SUCCESSOR
AMMETER
6625-00-841-7570SUCCESSOR
AMMETER
6625-00-913-7254SUCCESSOR
METER,ARBITRARY SCALE
63A3D26
6625-01-048-3748SUCCESSOR
METER,ARBITRARY SCALE
6625-01-168-6813SUCCESSOR
AMMETER
P10304-004-01
6625-01-483-3636SUCCESSOR
AMMETER
265-907

Frequently Asked Questions

What is NSN 6625-00-057-3629?

NSN 6625-00-057-3629 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 6625-00-057-3629?

NSN 6625-00-057-3629 has 3 cross-referenced part numbers: MR26B5T5DCUAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-10304/5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-057-3629?

There are 7 known substitutes for 6625-00-057-3629: 6625-00-220-9986, 6625-00-725-8151, 6625-00-841-7570 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR26B5T5DCUAR?

Key specifications for MR26B5T5DCUAR: Overall Length: 2.650 INCHES MAXIMUM IN; Movement Suspension Method: JEWEL PIVOT BASE; Special Features: RUGGEDIZED; Measurement Range: -50.0 TO 50.0 MICROAMPERES, DC 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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