PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49Voltmeter

Simpson Electric Company, Inc. · NSN 6625-00-542-1773 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-542-1773 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-542-1773. Primary manufacturer part number: 49.
Features
  • Voltmeter — FSC 6625
  • Measurement Range: +0.0 TO 300.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Accuracy in Percent: -5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Material: PLASTIC
  • Style Designator: RECTANGULAR FLUSH MTG
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-542-1773, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 28 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-542-1773
Primary Part Number49
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Measurement Range+0.0 TO 300.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Accuracy in Percent-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Style DesignatorRECTANGULAR FLUSH MTG
Movement TypeMOVING IRON VANE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE MEASUREMENT RANGE PER INDICATOR REQUIREMENT
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Installation DesignPANEL
Mounting Facility Type and Quantity4 THREADED STUD(S)
Circuit Current for Which DesignedAC
Center to Center Distance Between Mounting Facilities Parallel to Width3.562 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length4.000 INCHES NOMINAL IN
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.000 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Sensitivity Rating1000.0 OHMS PER VOLT
Measurement Range+0.0 TO 300.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Accuracy in Percent-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
Style DesignatorRECTANGULAR FLUSH MTG
Movement TypeMOVING IRON VANE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
Voltmeter
Oscilloscope
6625-00-901-557108300 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
6625-00-987-5591 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
49 Simpson Electric Company, Inc. (USA)
Related Parts
6625-00-124-8851SUCCESSOR
VOLTMETER
6625-00-539-9280SUCCESSOR
OSCILLOSCOPE
6625-00-901-5571INTERCHANGEABLE
VOLTMETER
08300
6625-00-987-5591INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-542-1773?

NSN 6625-00-542-1773 is a Voltmeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-542-1773?

NSN 6625-00-542-1773 has 1 cross-referenced part number: 49 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-542-1773?

There are 4 known substitutes for 6625-00-542-1773: 6625-00-124-8851, 6625-00-539-9280, 6625-00-901-5571 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49?

Key specifications for 49: Measurement Range: +0.0 TO 300.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE; Movement Suspension Method: JEWEL PIVOT BASE; Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN; Color: UNABLE TO DECODE. 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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