PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MR34B118SPECAmmeter

Westinghouse Electric Corp · NSN 6625-00-196-6563 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-196-6563 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-196-6563. Primary manufacturer part number: MR34B118SPEC.
Features
  • Ammeter — FSC 6625
  • Circuit Current for Which Designed: DC
  • Features Provided: ZERO ADJUSTER
  • Measurement Range: -30.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 1 FLANGE
  • Installation Design: PANEL
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Scale Selection Method: TERMINAL
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-196-6563, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-196-6563
Primary Part NumberMR34B118SPEC
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Circuit Current for Which DesignedDC
Features ProvidedZERO ADJUSTER
Measurement Range-30.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity1 FLANGE
Installation DesignPANEL
Movement Suspension MethodJEWEL PIVOT BASE
Scale Selection MethodTERMINAL
Meter Depth Behind Mounting Flange2.510 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Sensitivity Rating75.0 MILLIVOLTS
Overall Diameter3.500 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Stud Length0.500 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Dielectric Withstanding Voltage in Volts3000.0
Special MarkingsCHARGE,DISCHARGE
Style DesignatorROUND FLUSH MTG
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
MaterialPLASTIC
Circuit Current for Which DesignedDC
Features ProvidedZERO ADJUSTER
Measurement Range-30.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity1 FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
Ammeter
Voltmeter
Ammeter
Ammeter
Ammeter
Ammeter
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MR34B118SPEC Westinghouse Electric Corp (USA)
MILM6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR34B118SPEC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6625-00-668-9246SUCCESSOR
AMMETER
6625-00-838-4356SUCCESSOR
VOLTMETER
6625-01-023-2776SUCCESSOR
AMMETER
6625-00-231-0735SUCCESSOR
AMMETER
6625-00-241-4266SUCCESSOR
AMMETER
6625-00-299-6259SUCCESSOR
AMMETER
6625-00-836-7431SUCCESSOR
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-196-6563?

NSN 6625-00-196-6563 is a Ammeter, manufactured by Westinghouse Electric Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-196-6563?

NSN 6625-00-196-6563 has 3 cross-referenced part numbers: MR34B118SPEC (Westinghouse Electric Corp), MILM6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR34B118SPEC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-196-6563?

There are 7 known substitutes for 6625-00-196-6563: 6625-00-668-9246, 6625-00-838-4356, 6625-01-023-2776 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MR34B118SPEC?

Key specifications for MR34B118SPEC: Circuit Current for Which Designed: DC; Features Provided: ZERO ADJUSTER; Special Features: 3 HOLE/STUD 0.150 IN. MTG FEATURE DIA IN; Measurement Range: -30.0 TO 30.0 AMPERES, 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.
PartsTable Design LLC · partstable.com