PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR49W050AFAAHAmmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-851-3627 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-851-3627 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-851-3627. Primary manufacturer part number: MR49W050AFAAH.
Features
  • Ammeter — FSC 6625
  • Circuit Current for Which Designed: AC
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN
  • Installation Design: PANEL
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Dielectric Withstanding Voltage in Volts: 2600.0
Applications
  • Applications requiring Plastic or Steel Corrosion Resisting construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-851-3627, 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 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-851-3627
Primary Part NumberMR49W050AFAAH
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
Circuit Current for Which DesignedAC
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Circuit Attachment Method and Quantity2 THREADED STUD
Center to Center Distance Between Mounting Facilities Parallel to Length1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN
Installation DesignPANEL
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Dielectric Withstanding Voltage in Volts2600.0
FSC Application DataTEST SET,ELECT. EQUIP.
Movement Suspension MethodTAUT BAND
MaterialPLASTIC OR STEEL CORROSION RESISTING
ColorUNABLE TO DECODE
Specification/standard Data81349-MIL-M-16034/4 GOVERNMENT SPECIFICATION
Special Test FeaturesCONFORMS TO MIL-M-16034/4
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Nuclear Hardness Critical FeatureNONHARDENED
Surface TreatmentPAINT
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Meter Depth Behind Mounting Flange10.000 INCHES MAXIMUM IN
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Accuracy in Percent-1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Mounting Hole Diameter0.216 INCHES NOMINAL IN
PhaseSINGLE
Circuit Construction TypeNONELECTRONIC
Furnished Items and QuantityNUT 14; WASHER 14
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeZF
Weight2.7600 lbs
Cube0.1712 cu ft
Verified Substitutes 10
Ammeter
6625-01-019-86784050-452PIECE1 SUCCESSOR
Voltmeter
Huntington Ingalls Inc Div Newport News Shipbuilding
Ammeter
Ammeter
6625-00-090-9428 INTERCHANGEABLE
Voltmeter
6625-01-007-0077101133LS-UP7/JHU INTERCHANGEABLE
Ammeter
Yokogawa Corporation of America
5342-01-043-3800AB1/4-1 INTERCHANGEABLE
Block,anchor
Paneloc Corp the
6625-01-205-7274292B703A09 INTERCHANGEABLE
Indicator,synchronization
Hughes Corp Div Dba Weschler Instruments
6625-01-217-9016101023PZSJ INTERCHANGEABLE
Voltmeter
Yokogawa Corporation of America
6625-01-243-3601AD9371-1 PIECE 2 INTERCHANGEABLE
Ammeter
Plainville Electrical Products Company, the Dba Plainville Electrical Products
Cross-Reference Index
Part NumberManufacturer
MR49W050AFAAH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-M-16034/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
612-401-1947670ALTPPC106 Naval Sea Systems Command (USA)
50-101163LSNT3 General Electric Co Meter Business Dept (USA)
101163LSNT Yokogawa Corporation of America (USA)
AB14 General Electric Co Meter Business Dept (USA)
MIL-DTL-16034/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6625-00-186-8772SUCCESSOR
AMMETER
6625-01-019-8678SUCCESSOR
VOLTMETER
4050-452PIECE1
6625-01-241-5968SUCCESSOR
AMMETER
6625-01-242-3802SUCCESSOR
AMMETER
6625-00-090-9428INTERCHANGEABLE
VOLTMETER
6625-01-007-0077INTERCHANGEABLE
AMMETER
101133LS-UP7/JHU
5342-01-043-3800INTERCHANGEABLE
BLOCK,ANCHOR
AB1/4-1
6625-01-205-7274INTERCHANGEABLE
INDICATOR,SYNCHRONIZATION
292B703A09
6625-01-217-9016INTERCHANGEABLE
VOLTMETER
101023PZSJ
6625-01-243-3601INTERCHANGEABLE
AMMETER
AD9371-1 PIECE 2

Frequently Asked Questions

What is NSN 6625-00-851-3627?

NSN 6625-00-851-3627 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 6625-00-851-3627?

NSN 6625-00-851-3627 has 7 cross-referenced part numbers: MR49W050AFAAH (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-M-16034/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 612-401-1947670ALTPPC106 (Naval Sea Systems Command), 50-101163LSNT3 (General Electric Co Meter Business Dept), 101163LSNT (Yokogawa Corporation of America) and 2 more.

What NSN replaces 6625-00-851-3627?

There are 10 known substitutes for 6625-00-851-3627: 6625-00-186-8772, 6625-01-019-8678, 6625-01-241-5968 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR49W050AFAAH?

Key specifications for MR49W050AFAAH: Circuit Current for Which Designed: AC; Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Circuit Attachment Method and Quantity: 2 THREADED STUD; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM IN. 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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