PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

776750Voltmeter

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 6625-00-045-3414 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-045-3414 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-045-3414. Primary manufacturer part number: 776750.
Features
  • Voltmeter — FSC 6625
  • Measurement Range: +0.0 TO 600.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Movement Type: MOVING COIL, PERMANENT MAGNET
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-045-3414, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 28 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-045-3414
Primary Part Number776750
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Measurement Range+0.0 TO 600.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Circuit Attachment Method and Quantity2 THREADED STUD
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Dielectric Withstanding Voltage in Volts3000.0
Movement TypeMOVING COIL, PERMANENT MAGNET
FSC Application DataTEST SET,ELECT. EQUIP.
Style DesignatorROUND FLUSH MTG
Features ProvidedZERO ADJUSTER
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Overall Diameter2.687 INCHES NOMINAL IN
Power SourceEXTERNAL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
ColorUNABLE TO DECODE
Movement Suspension MethodJEWEL PIVOT BASE
MaterialSTEEL
Mounting Bolt Circle Diameter2.220 INCHES NOMINAL IN
Installation DesignPANEL
Nuclear Hardness Critical FeatureNONHARDENED
Circuit Current for Which DesignedDC
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Surface TreatmentPAINT
Furnished Items and QuantityNUT 5; LOCKWASHER 5; SPACER
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.281 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Meter Body Diameter Behind Mounting Flange2.187 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 5
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-476-1875476-0255-010 SUCCESSOR
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-624-0137331C147H02 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-877-0678331C147H09 SUCCESSOR
Meter,arbitrary Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-01-272-6290A80040 SUCCESSOR
Ammeter
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
Cross-Reference Index
Part NumberManufacturer
S06755 Simpson Electric Company, Inc. (USA)
125R Simpson Electric Company, Inc. (USA)
776750 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010
6625-00-624-0137SUCCESSOR
METER,SPECIAL SCALE
331C147H02
6625-00-877-0678SUCCESSOR
METER,ARBITRARY SCALE
331C147H09
6625-01-272-6290SUCCESSOR
AMMETER
A80040

Frequently Asked Questions

What is NSN 6625-00-045-3414?

NSN 6625-00-045-3414 is a Voltmeter, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-045-3414?

NSN 6625-00-045-3414 has 3 cross-referenced part numbers: S06755 (Simpson Electric Company, Inc.), 125R (Simpson Electric Company, Inc.), 776750 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 6625-00-045-3414?

There are 5 known substitutes for 6625-00-045-3414: 6625-00-004-8446, 6625-00-476-1875, 6625-00-624-0137 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 776750?

Key specifications for 776750: Measurement Range: +0.0 TO 600.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S); Circuit Attachment Method and Quantity: 2 THREADED STUD. 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