PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR 13-W-1H1-DC-UA-RAmmeter

Edgewood Chemical Biological Center Ecbc · NSN 6625-00-684-2822 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-684-2822 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-684-2822. Primary manufacturer part number: MR 13-W-1H1-DC-UA-R.
Features
  • Ammeter — FSC 6625
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 1.306 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Dielectric Withstanding Voltage in Volts: 1500.0
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S)
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Material: STEEL CORROSION RESISTING
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-684-2822, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Edgewood Chemical Biological Center Ecbc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-684-2822
Primary Part NumberMR 13-W-1H1-DC-UA-R
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEdgewood Chemical Biological Center Ecbc
StatusCANCELLED
Center to Center Distance Between Mounting Facilities Parallel to Width1.306 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Dielectric Withstanding Voltage in Volts1500.0
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 SCREW AND 4 UNTHREADED HOLE(S)
Movement Suspension MethodJEWEL PIVOT BASE
MaterialSTEEL CORROSION RESISTING
Specification/standard Data81349-MIL-M-10304/24 GOVERNMENT SPECIFICATION
Surface TreatmentENAMEL SEMIGLOSS
Nuclear Hardness Critical FeatureNONHARDENED
Special Test FeaturesENVIRONMENTALS PER MIL-STD-202
ColorUNABLE TO DECODE
Installation DesignPANEL
Sensitivity Rating100.0 MICROAMPERES
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Supplementary Features250.0 MV MAX POWER CONSUMPTION
Measurement Range-100.0 TO 100.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Surface Treatment Document and ClassificationMIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE
Style DesignatorRECTANGULAR FLUSH MTG
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.).
FSC Application DataTEST SET,ELECT. EQUIP.
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityNUT 4; WASHER 4
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Meter Body Diameter Behind Mounting Flange1.510 INCHES MAXIMUM IN
Indicator TypeDIAL W/POINTER
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-931-7136
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.3650 lbs
Cube0.0225 cu ft
Verified Substitutes 4
No Item Name Available
Ammeter
Meter,multiple Scale
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MR 13-W-1H1-DC-UA-R Edgewood Chemical Biological Center Ecbc (USA)
MIL-M-10304/24 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-10304/24 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR13W1H1DCUAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
4102200-38 Raytheon Company Div Rmd Strategic (USA)
5-15-6687-1 Edgewood Chemical Biological Center Ecbc (USA)
Related Parts
SUCCESSOR 6625-00-931-7136 Ammeter
6625-01-065-7772SUCCESSOR
NO ITEM NAME AVAILABLE
6625-01-049-8572SUCCESSOR
METER,MULTIPLE SCALE
6625-01-394-8928SUCCESSOR
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-684-2822?

NSN 6625-00-684-2822 is a Ammeter, manufactured by Edgewood Chemical Biological Center Ecbc, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-684-2822?

NSN 6625-00-684-2822 has 6 cross-referenced part numbers: MR 13-W-1H1-DC-UA-R (Edgewood Chemical Biological Center Ecbc), MIL-M-10304/24 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-10304/24 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR13W1H1DCUAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4102200-38 (Raytheon Company Div Rmd Strategic) and 1 more.

What NSN replaces 6625-00-684-2822?

There are 4 known substitutes for 6625-00-684-2822: 6625-01-065-7772, 6625-00-931-7136, 6625-01-049-8572 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR 13-W-1H1-DC-UA-R?

Key specifications for MR 13-W-1H1-DC-UA-R: Center to Center Distance Between Mounting Facilities Parallel to Width: 1.306 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN; Movement Type: MOVING COIL, PERMANENT MAGNET; Dielectric Withstanding Voltage in Volts: 1500.0; Special Features: RUGGEDIZED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-684-2822 still in active supply?

NSN 6625-00-684-2822 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.
PartsTable Design LLC · partstable.com