PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G300184-1Voltmeter

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 6625-00-479-3658 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-479-3658 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-479-3658. Primary manufacturer part number: G300184-1.
Features
  • Voltmeter — FSC 6625
  • Installation Design: PANEL
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Scale Division Quantity: 30 SINGLE INDICATOR SINGLE RANGE
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Mounting Stud Length: 0.760 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Indicator Type: DIAL W/POINTER
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-479-3658, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-479-3658
Primary Part NumberG300184-1
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusCANCELLED
Installation DesignPANEL
Movement Suspension MethodJEWEL PIVOT BASE
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Stud Length0.760 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Indicator TypeDIAL W/POINTER
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialSTEEL
Style DesignatorRECTANGULAR SEMI-FLUSH MTG
Meter Body Width Behind Mounting Flange5.750 INCHES NOMINAL IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating20000.0 OHMS PER VOLT
Furnished Items and QuantityMTG HDW 4; TERM. HDW 2
Mounting Facility Type and Quantity4 THREADED STUD(S)
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Movement TypeMOVING COIL, PERMANENT MAGNET
Supplementary FeaturesFREQUENCY COMPENSATION: 25 TO 125 HZ; ON SINGLE RANGE AMMETER,VOLTMETER AND SPEED INDICATING INSTRUMENTS ONLY STUDS FIVE AND SIX ARE USED FOR CIRCUIT ATTACHMENT
Circuit Attachment Method and Quantity12 THREADED STUD
Features ProvidedKNIFE EDGE POINTER AND SELF-ILLUMINATION FACILITY AND TEMPERATURE COMPENSATOR AND ZERO ADJUSTER
FSC Application DataTEST SET,ELECT. EQUIP.
Power SourceEXTERNAL
Mounting Stud Diameter0.164 INCHES NOMINAL IN
Measurement Range+0.0 TO 75.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Meter Depth Behind Mounting Flange3.850 INCHES NOMINAL IN
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Length6.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-738-2568 (10784)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Weight20.0000 lbs
Cube1.0000 cu ft
Verified Substitutes 10
No Item Name Available
6625-00-738-256810784 SUCCESSOR
Ammeter
Continental Electronics Corp
7025-01-272-0474921 SUCCESSOR
Terminal,data Processing
Televideo, Inc.
6625-00-669-0100SMC330848 INTERCHANGEABLE
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-840-568810786 INTERCHANGEABLE
Voltmeter
Continental Electronics Corp
6625-00-840-568910791 INTERCHANGEABLE
Voltmeter
Continental Electronics Corp
6625-00-840-5690370-0215 INTERCHANGEABLE
Ammeter
Continental Electronics Corp
6625-00-840-569210787 INTERCHANGEABLE
Ammeter
Continental Electronics Corp
6625-00-840-581110785 INTERCHANGEABLE
Ammeter
Continental Electronics Corp
6625-00-930-4122370-0041 INTERCHANGEABLE
Ammeter
Continental Electronics Corp
Cross-Reference Index
Part NumberManufacturer
921T075VDC Custom Metering Company Inc (USA)
M0DEL921 Solartron Electronics Inc Weston Instruments Div (USA)
9210T075VDC Solartron Electronics Inc Weston Instruments Div (USA)
921T075VDC Metermaster Inc Metermod Div (USA)
S43912 Solartron Electronics Inc Weston Instruments Div (USA)
G300184-1 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
921 Solartron Electronics Inc Weston Instruments Div (USA)
123405CHANGEC Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 6625-00-738-2568 Ammeter · 10784
6625-00-643-0621SUCCESSOR
NO ITEM NAME AVAILABLE
7025-01-272-0474SUCCESSOR
TERMINAL,DATA PROCESSING
921
6625-00-669-0100INTERCHANGEABLE
MULTIMETER
SMC330848
6625-00-840-5688INTERCHANGEABLE
VOLTMETER
10786
6625-00-840-5689INTERCHANGEABLE
VOLTMETER
10791
6625-00-840-5690INTERCHANGEABLE
AMMETER
370-0215
6625-00-840-5692INTERCHANGEABLE
AMMETER
10787
6625-00-840-5811INTERCHANGEABLE
AMMETER
10785
6625-00-930-4122INTERCHANGEABLE
AMMETER
370-0041

Frequently Asked Questions

What is NSN 6625-00-479-3658?

NSN 6625-00-479-3658 is a Voltmeter, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-479-3658?

NSN 6625-00-479-3658 has 8 cross-referenced part numbers: 921T075VDC (Custom Metering Company Inc), M0DEL921 (Solartron Electronics Inc Weston Instruments Div), 9210T075VDC (Solartron Electronics Inc Weston Instruments Div), 921T075VDC (Metermaster Inc Metermod Div), S43912 (Solartron Electronics Inc Weston Instruments Div) and 3 more.

What NSN replaces 6625-00-479-3658?

There are 10 known substitutes for 6625-00-479-3658: 6625-00-643-0621, 6625-00-738-2568, 7025-01-272-0474 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G300184-1?

Key specifications for G300184-1: Installation Design: PANEL; Movement Suspension Method: JEWEL PIVOT BASE; Scale Division Quantity: 30 SINGLE INDICATOR SINGLE RANGE; Nuclear Hardness Critical Feature: NONHARDENED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-479-3658 still in active supply?

NSN 6625-00-479-3658 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.
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