PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1931TVoltmeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-486-8631 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-486-8631 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-486-8631. Primary manufacturer part number: 1931T.
Features
  • Voltmeter — FSC 6625
  • Installation Design: PANEL
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Meter Body Diameter Behind Mounting Flange: 2.760 INCHES MAXIMUM IN
  • Material: PLASTIC
  • Style Designator: RECTANGULAR FLUSH MTG
  • Color: UNABLE TO DECODE
  • Mounting Stud Length: 0.510 INCHES MAXIMUM IN
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-486-8631, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-486-8631
Primary Part Number1931T
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Installation DesignPANEL
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Meter Body Diameter Behind Mounting Flange2.760 INCHES MAXIMUM IN
MaterialPLASTIC
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Mounting Stud Length0.510 INCHES MAXIMUM IN
FSC Application DataTEST SET,ELECT. EQUIP.
Movement TypeMOVING COIL, PERMANENT MAGNET
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Power SourceEXTERNAL
Movement Suspension MethodJEWEL PIVOT BASE
Indicator TypeDIAL W/POINTER
Scale Selection MethodTERMINAL
Mounting Facility Type and Quantity4 THREADED STUD(S)
Measurement Range+0.0 TO 100.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Features ProvidedZERO ADJUSTER
Meter Depth Behind Mounting Flange1.910 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 9
6625-00-053-8154152283-12 SUCCESSOR
Voltmeter
Raytheon Company Dba Raytheon Co
6625-00-464-21451931-4622005 SUCCESSOR
Multimeter
Raytheon Company Dba Raytheon Co
6685-00-234-8989AA46-UPT2-LWX9 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6625-00-464-2144152283-30 INTERCHANGEABLE
Ammeter
Raytheon Company Dba Raytheon Co
6685-00-837-3522AA444PF4LW INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-840-3749 INTERCHANGEABLE
Gage,pressure,dial Indicating
6625-00-957-0527 INTERCHANGEABLE
Ammeter
6685-00-958-60581931T-150234 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6625-01-138-20356062 INTERCHANGEABLE
Meter,null
Finnigan Corporation
Cross-Reference Index
Part NumberManufacturer
1931T Solartron Electronics Inc Weston Instruments Div (USA)
152283X Raytheon Company Div Corp (USA)
152283X Raytheon Company Dba Raytheon Co (USA)
1931-1629100 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
6625-00-053-8154SUCCESSOR
VOLTMETER
152283-12
6625-00-464-2145SUCCESSOR
MULTIMETER
1931-4622005
6685-00-234-8989INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA46-UPT2-LWX9
6625-00-464-2144INTERCHANGEABLE
AMMETER
152283-30
6685-00-837-3522INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA444PF4LW
6685-00-840-3749INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6625-00-957-0527INTERCHANGEABLE
AMMETER
6685-00-958-6058INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
1931T-150234
6625-01-138-2035INTERCHANGEABLE
METER,NULL
6062

Frequently Asked Questions

What is NSN 6625-00-486-8631?

NSN 6625-00-486-8631 is a Voltmeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-486-8631?

NSN 6625-00-486-8631 has 4 cross-referenced part numbers: 1931T (Solartron Electronics Inc Weston Instruments Div), 152283X (Raytheon Company Div Corp), 152283X (Raytheon Company Dba Raytheon Co), 1931-1629100 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-486-8631?

There are 9 known substitutes for 6625-00-486-8631: 6625-00-053-8154, 6625-00-464-2145, 6685-00-234-8989 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1931T?

Key specifications for 1931T: Installation Design: PANEL; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE; Meter Body Diameter Behind Mounting Flange: 2.760 INCHES MAXIMUM IN; Material: PLASTIC. 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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