PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

409C677A22Voltmeter

Westinghouse Electric Corp · NSN 6625-00-068-2613 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-068-2613 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-068-2613. Primary manufacturer part number: 409C677A22.
Features
  • Voltmeter — FSC 6625
  • Furnished Items and Quantity: NUT 5; WASHER 5
  • Scale Graduation Type: NONLINEAR SINGLE INDICATOR SINGLE RANGE
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
  • Movement Suspension Method: TAUT BAND
  • Power Source: EXTERNAL
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-068-2613, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-068-2613
Primary Part Number409C677A22
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Furnished Items and QuantityNUT 5; WASHER 5
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Movement Suspension MethodTAUT BAND
Power SourceEXTERNAL
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Measurement Range+0.0 TO 300.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.594 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Installation DesignPANEL
Overall Diameter3.500 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Meter Body Diameter Behind Mounting Flange2.795 INCHES NOMINAL IN
Circuit Current for Which DesignedAC
Mounting Hole Diameter0.151 INCHES NOMINAL IN
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Nuclear Hardness Critical FeatureNONHARDENED
Movement TypeMOVING IRON VANE
Surface TreatmentENAMEL
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT. EQUIP.
Furnished Items and QuantityNUT 5; WASHER 5
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-538-9431 (907-191)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJF
Verified Substitutes 2
6625-00-538-9431907-191 SUCCESSOR
Ammeter
Jewell Instruments Llc
Ammeter
Cross-Reference Index
Part NumberManufacturer
409C677A22 Westinghouse Electric Corp (USA)
NA351 Westinghouse Electric Corp (USA)
409C677A22 Westinghouse Electric Corp General Control Div (USA)
409C677A22 Hughes Corp Div Dba Weschler Instruments (USA)
NA351 Westinghouse Electric Corp General Control Div (USA)
Related Parts
SUCCESSOR 6625-00-538-9431 Ammeter · 907-191
6625-00-897-4744SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-00-068-2613?

NSN 6625-00-068-2613 is a Voltmeter, manufactured by Westinghouse Electric Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-068-2613?

NSN 6625-00-068-2613 has 5 cross-referenced part numbers: 409C677A22 (Westinghouse Electric Corp), NA351 (Westinghouse Electric Corp), 409C677A22 (Westinghouse Electric Corp General Control Div), 409C677A22 (Hughes Corp Div Dba Weschler Instruments), NA351 (Westinghouse Electric Corp General Control Div).

What NSN replaces 6625-00-068-2613?

There are 2 known substitutes for 6625-00-068-2613: 6625-00-538-9431, 6625-00-897-4744. Verify interchangeability with system specifications before substitution.

What are the specifications of 409C677A22?

Key specifications for 409C677A22: Furnished Items and Quantity: NUT 5; WASHER 5; Scale Graduation Type: NONLINEAR SINGLE INDICATOR SINGLE RANGE; Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER; Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S). 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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