PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR51W005ACAAAmmeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-186-8772 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-186-8772 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-186-8772. Primary manufacturer part number: MR51W005ACAA.
Features
  • Ammeter — FSC 6625
  • Circuit Current for Which Designed: AC
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Movement Suspension Method: TAUT BAND
  • Measurement Range: +0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
  • Scale Selection Method: SWITCH
  • FSC Application Data: TEST SET ELECTRONIC
  • Circuit Attachment Method and Quantity: 2 BINDING POST
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-186-8772, 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 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-186-8772
Primary Part NumberMR51W005ACAA
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
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Measurement Range+0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Scale Selection MethodSWITCH
FSC Application DataTEST SET ELECTRONIC
Circuit Attachment Method and Quantity2 BINDING POST
Nuclear Hardness Critical FeatureNONHARDENED
Features ProvidedPORTABLE AND ZERO ADJUSTER
Circuit Construction TypeNONELECTRONIC
Movement TypeMOVING IRON VANE
Scale Division Quantity75 SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Style DesignatorRECTANGULAR OR SQUARE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionDUSTPROOF
Accuracy in Percent-0.75 TO 0.75 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
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.).
Installation DesignBENCH
Furnished Items and QuantityHANDLE,CARRYING 1
ColorUNABLE TO DECODE
Circuit Current for Which DesignedAC
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Measurement Range+0.0 TO 5.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-090-9430
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Ammeter
Cross-Reference Index
Part NumberManufacturer
MR51W005ACAA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILM16034-14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-16034/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-16034/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILM16034A6-14MR51W0 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-090-9430 Ammeter
6625-00-192-7629SUCCESSOR
AMMETER
6625-00-192-7677SUCCESSOR
AMMETER
6625-00-192-7679SUCCESSOR
AMMETER
6625-00-192-7680SUCCESSOR
AMMETER
6625-00-192-7681SUCCESSOR
AMMETER
6625-00-239-9572SUCCESSOR
AMMETER
6625-00-264-7990SUCCESSOR
AMMETER
6625-00-504-2603SUCCESSOR
AMMETER
6625-00-557-5485SUCCESSOR
AMMETER
6625-00-607-9009SUCCESSOR
AMMETER
6625-00-622-0118SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-00-186-8772?

NSN 6625-00-186-8772 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 6625-00-186-8772?

NSN 6625-00-186-8772 has 5 cross-referenced part numbers: MR51W005ACAA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILM16034-14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-16034/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-16034/4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILM16034A6-14MR51W0 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-186-8772?

There are 12 known substitutes for 6625-00-186-8772: 6625-00-090-9430, 6625-00-192-7629, 6625-00-192-7677 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR51W005ACAA?

Key specifications for MR51W005ACAA: Circuit Current for Which Designed: AC; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Movement Suspension Method: TAUT BAND; Measurement Range: +0.0 TO 5.0 AMPERES, AC 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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