PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HS3XVoltmeter

Jewell Instruments Llc · NSN 6625-00-959-0340 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-959-0340 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-959-0340. Primary manufacturer part number: HS3X.
Features
  • Voltmeter — FSC 6625
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Measurement Range: +0.0 TO 25.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
  • Meter Body Diameter Behind Mounting Flange: 2.675 INCHES NOMINAL IN
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
  • Installation Design: PANEL
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-959-0340, 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 30 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: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-959-0340
Primary Part NumberHS3X
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Measurement Range+0.0 TO 25.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Body Diameter Behind Mounting Flange2.675 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Sensitivity Rating1000.0 OHMS PER VOLT
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
Meter Depth Behind Mounting Flange1.063 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Reliability IndicatorNOT ESTABLISHED
Overall Diameter3.500 INCHES NOMINAL IN
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Measurement Range+0.0 TO 25.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Body Diameter Behind Mounting Flange2.675 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Sensitivity Rating1000.0 OHMS PER VOLT
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeX
Verified Substitutes 3
6625-00-068-270520131011-105 SUCCESSOR
Ammeter
Jewell Instruments Llc
6625-00-553-7484HS3JCM072851 INTERCHANGEABLE
Multimeter
Jewell Instruments Llc
6625-00-884-0277HS3X INTERCHANGEABLE
Ammeter
Jewell Instruments Llc
Cross-Reference Index
Part NumberManufacturer
HS3X Jewell Instruments Llc (USA)
Related Parts
6625-00-068-2705SUCCESSOR
AMMETER
20131011-105
6625-00-553-7484INTERCHANGEABLE
MULTIMETER
HS3JCM072851
6625-00-884-0277INTERCHANGEABLE
AMMETER
HS3X

Frequently Asked Questions

What is NSN 6625-00-959-0340?

NSN 6625-00-959-0340 is a Voltmeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-959-0340?

NSN 6625-00-959-0340 has 1 cross-referenced part number: HS3X (Jewell Instruments Llc).

What NSN replaces 6625-00-959-0340?

There are 3 known substitutes for 6625-00-959-0340: 6625-00-068-2705, 6625-00-553-7484, 6625-00-884-0277. Verify interchangeability with system specifications before substitution.

What are the specifications of HS3X?

Key specifications for HS3X: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Measurement Range: +0.0 TO 25.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES; Meter Body Diameter Behind Mounting Flange: 2.675 INCHES NOMINAL IN. 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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