PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52NVoltmeter

Jewell Instruments Llc · NSN 6625-00-649-4072 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-649-4072 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-649-4072. Primary manufacturer part number: 52N.
Features
  • Voltmeter — FSC 6625
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Overall Diameter: 2.719 INCHES NOMINAL IN
  • Measurement Range: +0.0 TO 500.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
  • Material: PLASTIC
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Body Diameter Behind Mounting Flange: 2.172 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-649-4072, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-649-4072
Primary Part Number52N
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusCANCELLED
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Circuit Attachment Method and Quantity2 THREADED STUD
Overall Diameter2.719 INCHES NOMINAL IN
Measurement Range+0.0 TO 500.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.172 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT. EQUIP.
Reliability IndicatorNOT ESTABLISHED
Installation DesignPANEL
Circuit Current for Which DesignedAC
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter2.374 INCHES NOMINAL IN
Sensitivity Rating400.0 OHMS PER VOLT
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Circuit Attachment Method and Quantity2 THREADED STUD
Overall Diameter2.719 INCHES NOMINAL IN
Measurement Range+0.0 TO 500.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.172 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT. EQUIP.
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeXN
Verified Substitutes 3
6680-00-318-4929 INTERCHANGEABLE
Indicator,electrical Tachometer
6625-00-578-5748C0161-04080 INTERCHANGEABLE
Meter,audio Level
Entron Industries Limited Partnership Dba Entron Industries Property Div
4240-01-100-901652-N INTERCHANGEABLE
Strap,safety,industrial
Bashlin Industries Inc.
Cross-Reference Index
Part NumberManufacturer
52N PRIMARY Jewell Instruments Llc (USA)
Related Parts
6680-00-318-4929INTERCHANGEABLE
INDICATOR,ELECTRICAL TACHOMETER
6625-00-578-5748INTERCHANGEABLE
METER,AUDIO LEVEL
C0161-04080
4240-01-100-9016INTERCHANGEABLE
STRAP,SAFETY,INDUSTRIAL
52-N

Frequently Asked Questions

What is NSN 6625-00-649-4072?

NSN 6625-00-649-4072 is a Voltmeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-649-4072?

NSN 6625-00-649-4072 has 1 cross-referenced part number: 52N (Jewell Instruments Llc).

What NSN replaces 6625-00-649-4072?

There are 3 known substitutes for 6625-00-649-4072: 6680-00-318-4929, 6625-00-578-5748, 4240-01-100-9016. Verify interchangeability with system specifications before substitution.

What are the specifications of 52N?

Key specifications for 52N: Overall Length: 1.156 INCHES NOMINAL IN; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES; Circuit Attachment Method and Quantity: 2 THREADED STUD; Overall Diameter: 2.719 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-649-4072 still in active supply?

NSN 6625-00-649-4072 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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