PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

534443-1Voltmeter

Raytheon Company Dba Raytheon · NSN 6625-00-003-2991 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-003-2991 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-003-2991. Primary manufacturer part number: 534443-1.
Features
  • Voltmeter — FSC 6625
  • Measurement Range: +0.0 TO 20.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Mounting Stud Diameter: 0.112 INCHES NOMINAL IN
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Power Source: EXTERNAL
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-003-2991, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Raytheon Company Dba Raytheon. Government technical data includes 27 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-003-2991
Primary Part Number534443-1
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon
StatusACTIVE
Measurement Range+0.0 TO 20.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Power SourceEXTERNAL
Mounting Facility Type and Quantity4 THREADED STUD(S)
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Scale Division Quantity40 SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
MaterialPLASTIC
Nuclear Hardness Critical FeatureNONHARDENED
Sensitivity Rating1000.0 OHMS PER VOLT
Movement TypeMOVING COIL, PERMANENT MAGNET
Center to Center Distance Between Mounting Facilities Parallel to Width1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Furnished Items and QuantityNUT 6
Circuit Current for Which DesignedDC
Indicator TypeDIAL W/POINTER
Mounting Stud Length0.620 INCHES MAXIMUM IN
Installation DesignPANEL
Meter Body Diameter Behind Mounting Flange2.790 INCHES MAXIMUM IN
Meter Depth Behind Mounting Flange1.160 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 3
6145-00-052-4764UL62S06BCK3/12SBR/NRSBRNR SUCCESSOR
Cable,power,electrical
Underwriters Laboratories Inc
6625-00-003-2993534437-1 INTERCHANGEABLE
Ammeter
Raytheon Company Dba Raytheon
6625-01-026-78908752 INTERCHANGEABLE
Wattmeter
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
534443-1 PRIMARY Raytheon Company Dba Raytheon (USA)
2123 Simpson Electric Company, Inc. (USA)
Related Parts
6145-00-052-4764SUCCESSOR
CABLE,POWER,ELECTRICAL
UL62S06BCK3/12SBR/NRSBRNR
6625-00-003-2993INTERCHANGEABLE
AMMETER
534437-1
6625-01-026-7890INTERCHANGEABLE
WATTMETER
8752

Frequently Asked Questions

What is NSN 6625-00-003-2991?

NSN 6625-00-003-2991 is a Voltmeter, manufactured by Raytheon Company Dba Raytheon, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-003-2991?

NSN 6625-00-003-2991 has 2 cross-referenced part numbers: 534443-1 (Raytheon Company Dba Raytheon), 2123 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-003-2991?

There are 3 known substitutes for 6625-00-003-2991: 6145-00-052-4764, 6625-00-003-2993, 6625-01-026-7890. Verify interchangeability with system specifications before substitution.

What are the specifications of 534443-1?

Key specifications for 534443-1: Overall Width: 3.280 INCHES MAXIMUM IN; Special Features: RUGGEDIZED; Measurement Range: +0.0 TO 20.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 THREADED STUD. 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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