PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1908-42Voltmeter

Jewell Instruments Llc · NSN 6625-00-525-3599 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-525-3599 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-525-3599. Primary manufacturer part number: 1908-42.
Features
  • Voltmeter — FSC 6625
  • Movement Type: MOVING IRON VANE
  • Sensitivity Rating: 5000.0 OHMS PER VOLT
  • Color: UNABLE TO DECODE
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES MAXIMUM IN
  • Power Source: EXTERNAL
  • Indicator Type: DIAL W/POINTER
  • Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-525-3599, 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 2 commercial cross-references from 2 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
NSN6625-00-525-3599
Primary Part Number1908-42
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Movement TypeMOVING IRON VANE
Sensitivity Rating5000.0 OHMS PER VOLT
ColorUNABLE TO DECODE
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Power SourceEXTERNAL
Indicator TypeDIAL W/POINTER
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Installation DesignPANEL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Surface TreatmentCADMIUM AND CHROMATE AND ENAMEL SEMIGLOSS
Mounting Facility Type and Quantity3 THREADED STUD(S)
Mounting Stud Length0.500 INCHES NOMINAL IN
Features ProvidedZERO ADJUSTER
Overall Diameter2.695 INCHES MAXIMUM IN
Frequency Rating60.0 HERTZ NOMINAL
Scale Division Quantity75 SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange2.250 INCHES MAXIMUM IN
Nuclear Hardness Critical FeatureNONHARDENED
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.125 INCHES NOMINAL IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedAC
PhaseSINGLE
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATERTIGHT
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Frequency Response Range+60.000 TO 1000.000 HERTZ
Dielectric Withstanding Voltage in Volts3000.0
Circuit Attachment Method and Quantity2 SOLDER LUG
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.5000 lbs
Cube0.0150 cu ft
Verified Substitutes 2
5935-01-022-2377 INTERCHANGEABLE
Connector,plug,electrical
5325-01-562-2152190842 INTERCHANGEABLE
Ring,retaining
Jered Llc
Cross-Reference Index
Part NumberManufacturer
GM805HT1 Northrop Grumman Systems Corporation (USA)
1908-42 PRIMARY Jewell Instruments Llc (USA)
Related Parts
5935-01-022-2377INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5325-01-562-2152INTERCHANGEABLE
RING,RETAINING
190842

Frequently Asked Questions

What is NSN 6625-00-525-3599?

NSN 6625-00-525-3599 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 6625-00-525-3599?

NSN 6625-00-525-3599 has 2 cross-referenced part numbers: GM805HT1 (Northrop Grumman Systems Corporation), 1908-42 (Jewell Instruments Llc).

What NSN replaces 6625-00-525-3599?

There are 2 known substitutes for 6625-00-525-3599: 5935-01-022-2377, 5325-01-562-2152. Verify interchangeability with system specifications before substitution.

What are the specifications of 1908-42?

Key specifications for 1908-42: Movement Type: MOVING IRON VANE; Sensitivity Rating: 5000.0 OHMS PER VOLT; Color: UNABLE TO DECODE; Meter Body Diameter Behind Mounting Flange: 2.210 INCHES MAXIMUM 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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