PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-605-6Voltmeter

Radiodetection, Llc · NSN 6625-00-944-7870 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-944-7870 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-944-7870. Primary manufacturer part number: 4-605-6.
Features
  • Voltmeter — FSC 6625
  • Features Provided: ZERO ADJUSTER
  • Mounting Hole Diameter: 0.150 INCHES NOMINAL IN
  • Power Source: EXTERNAL
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Material: PLASTIC
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-944-7870, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Radiodetection, Llc. Government technical data includes 27 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-944-7870
Primary Part Number4-605-6
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRadiodetection, Llc
StatusACTIVE
Features ProvidedZERO ADJUSTER
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Power SourceEXTERNAL
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
ColorUNABLE TO DECODE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Meter Depth Behind Mounting Flange0.906 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Scale Division Quantity80 SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Bolt Circle Diameter3.560 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Current for Which DesignedDC
Scale Selection MethodTERMINAL
Movement Suspension MethodJEWEL PIVOT BASE
Style DesignatorRECTANGULAR FLUSH MTG
Measurement Range+0.0 TO 40.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Sensitivity Rating1000.0 OHMS PER VOLT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2810-00-118-368646056 INTERCHANGEABLE
Sleeve
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5120-01-441-7368 INTERCHANGEABLE
Tweezers,craftsman's
Cross-Reference Index
Part NumberManufacturer
4-605-6 Radiodetection, Llc (USA)
Related Parts
2810-00-118-3686INTERCHANGEABLE
SLEEVE
46056
5120-01-441-7368INTERCHANGEABLE
TWEEZERS,CRAFTSMAN'S

Frequently Asked Questions

What is NSN 6625-00-944-7870?

NSN 6625-00-944-7870 is a Voltmeter, manufactured by Radiodetection, Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-944-7870?

NSN 6625-00-944-7870 has 1 cross-referenced part number: 4-605-6 (Radiodetection, Llc).

What NSN replaces 6625-00-944-7870?

There are 2 known substitutes for 6625-00-944-7870: 2810-00-118-3686, 5120-01-441-7368. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-605-6?

Key specifications for 4-605-6: Features Provided: ZERO ADJUSTER; Mounting Hole Diameter: 0.150 INCHES NOMINAL IN; Power Source: EXTERNAL; Overall Length: 3.000 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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