PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1964594Voltmeter

Westinghouse Electric Corp · NSN 6625-00-390-7824 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-390-7824 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-390-7824. Primary manufacturer part number: 1964594.
Features
  • Voltmeter — FSC 6625
  • Surface Treatment: ENAMEL
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S)
  • Meter Depth Behind Mounting Flange: 3.406 INCHES NOMINAL IN
  • Sensitivity Rating: 1000.0 OHMS PER VOLT
  • Furnished Items and Quantity: NUT 10; LOCKWASHER 10; SEAL 1
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.375 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-390-7824, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-390-7824
Primary Part Number1964594
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Surface TreatmentENAMEL
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Facility Type and Quantity4 SCREW AND 4 UNTHREADED HOLE(S)
Meter Depth Behind Mounting Flange3.406 INCHES NOMINAL IN
Sensitivity Rating1000.0 OHMS PER VOLT
Furnished Items and QuantityNUT 10; LOCKWASHER 10; SEAL 1
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL IN
Measurement Range+0.0 TO 35.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange3.875 INCHES NOMINAL IN
Power SourceEXTERNAL
Scale Selection MethodTERMINAL
MaterialSTEEL
Installation DesignPANEL
Dielectric Withstanding Voltage in Volts1500.0
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Scale Division Quantity35 SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
Special MarkingsON BACK,SEALED DO NOT OPEN
Nuclear Hardness Critical FeatureNONHARDENED
Features ProvidedZERO ADJUSTER
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity6 THREADED STUD
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Indicator TypeDIAL W/POINTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight4.0000 lbs
Cube0.2270 cu ft
Verified Substitutes 6
5360-00-036-1674N22711 INTERCHANGEABLE
Spring,helical,compression
Leslie Controls, Inc. Dba Leslie Controls Inc
5325-00-285-6425 INTERCHANGEABLE
Cap,snap Fastener
6660-00-551-4682DB14 INTERCHANGEABLE
Indicator,wind Speed
General Electric Company
5330-00-908-4349857760-1 INTERCHANGEABLE
Seal,plain Encased
Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
6105-01-258-5883T3910-F INTERCHANGEABLE
Motor,torque
Kollmorgen Corp
5935-01-457-977422711-03 INTERCHANGEABLE
Connector Assembly,electrical
Electronic Marine Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
1964594 Westinghouse Electric Corp (USA)
1957378 Westinghouse Electric Corp (USA)
KX24 Westinghouse Electric Corp (USA)
22711 U M C Electronics Co (USA)
4951-641 Jewell Instruments Llc (USA)
22711 U M C Electronics Co United Manufacturing Div (USA)
Related Parts
5360-00-036-1674INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
N22711
5325-00-285-6425INTERCHANGEABLE
CAP,SNAP FASTENER
6660-00-551-4682INTERCHANGEABLE
INDICATOR,WIND SPEED
DB14
5330-00-908-4349INTERCHANGEABLE
SEAL,PLAIN ENCASED
857760-1
6105-01-258-5883INTERCHANGEABLE
MOTOR,TORQUE
T3910-F
5935-01-457-9774INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
22711-03

Frequently Asked Questions

What is NSN 6625-00-390-7824?

NSN 6625-00-390-7824 is a Voltmeter, manufactured by Westinghouse Electric Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-390-7824?

NSN 6625-00-390-7824 has 6 cross-referenced part numbers: 1964594 (Westinghouse Electric Corp), 1957378 (Westinghouse Electric Corp), KX24 (Westinghouse Electric Corp), 22711 (U M C Electronics Co), 4951-641 (Jewell Instruments Llc) and 1 more.

What NSN replaces 6625-00-390-7824?

There are 6 known substitutes for 6625-00-390-7824: 5360-00-036-1674, 5325-00-285-6425, 6660-00-551-4682 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1964594?

Key specifications for 1964594: Surface Treatment: ENAMEL; Movement Type: MOVING COIL, PERMANENT MAGNET; Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S); Meter Depth Behind Mounting Flange: 3.406 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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