PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

291B462A09SPEC/REDLINE@450Voltmeter

Hughes Corp Div Weschler Electric · NSN 6625-01-245-6776 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-245-6776 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-245-6776. Primary manufacturer part number: 291B462A09SPEC/REDLINE@450.
Features
  • Voltmeter — FSC 6625
  • Furnished Items and Quantity: TERM. HDW 2; MTG HDW 4
  • Mounting Hole Diameter: 0.313 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Body Diameter Behind Mounting Flange: 3.960 INCHES NOMINAL IN
  • Meter Depth Behind Mounting Flange: 3.188 INCHES NOMINAL IN
  • Movement Type: MOVING IRON VANE
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-245-6776, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hughes Corp Div Weschler Electric. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-245-6776
Primary Part Number291B462A09SPEC/REDLINE@450
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHughes Corp Div Weschler Electric
StatusACTIVE
Furnished Items and QuantityTERM. HDW 2; MTG HDW 4
Mounting Hole Diameter0.313 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange3.960 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange3.188 INCHES NOMINAL IN
Movement TypeMOVING IRON VANE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialPLASTIC
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT. EQUIP.
Measurement Range+0.0 TO 600.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Special Test FeaturesCONFORMS TO MIL-M-16034
Special MarkingsRED MARK AT 450 V V
Power SourceEXTERNAL
PhaseSINGLE
Circuit Attachment Method and Quantity2 THREADED STUD
Features ProvidedZERO ADJUSTER
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Facility Type and Quantity4 SCREW AND 4 UNTHREADED HOLE(S)
Style DesignatorRECTANGULAR FLUSH MTG
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Scale Selection MethodTERMINAL
Indicator TypeDIAL W/POINTER
Center to Center Distance Between Mounting Facilities Parallel to Width3.375 INCHES NOMINAL IN
Dielectric Withstanding Voltage in Volts2600.0
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-014-4367 (291B460A10)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZF
Weight2.7400 lbs
Cube0.1276 cu ft
Verified Substitutes 11
6625-00-014-4367291B460A10 SUCCESSOR
Voltmeter
Hughes Corp Div Weschler Electric
Ammeter
6625-00-409-1941291B461A28 SUCCESSOR
Ammeter
Hughes Corp Div Dba Weschler Instruments
6625-00-648-9784291B460A16 SUCCESSOR
Voltmeter
Westinghouse Electric Corp
6625-01-007-0077101133LS-UP7/JHU SUCCESSOR
Ammeter
Yokogawa Corporation of America
6625-01-017-7508825965-45A SUCCESSOR
Voltmeter
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
6625-01-017-7509825965-47A SUCCESSOR
Ammeter
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
6625-01-243-3601AD9371-1 PIECE 2 SUCCESSOR
Ammeter
Plainville Electrical Products Company, the Dba Plainville Electrical Products
6625-01-243-3602AD9371-1 PIECE 10,13 SUCCESSOR
Ammeter
Plainville Electrical Products Company, the Dba Plainville Electrical Products
6625-01-245-3434CDHSI00104 SUCCESSOR
Ammeter
Hughes Corp Div Weschler Electric
Cross-Reference Index
Part NumberManufacturer
291B462A09SPEC/REDLINE@450 Hughes Corp Div Weschler Electric (USA)
KA-241 Hughes Corp Div Dba Weschler Instruments (USA)
304A190 ITEM 17 Westinghouse Electric Corp Control Business Unit
Related Parts
SUCCESSOR 6625-00-014-4367 Voltmeter · 291B460A10
6625-00-018-9061SUCCESSOR
AMMETER
6625-00-409-1941SUCCESSOR
AMMETER
291B461A28
6625-00-648-9784SUCCESSOR
VOLTMETER
291B460A16
6625-01-007-0077SUCCESSOR
AMMETER
101133LS-UP7/JHU
6625-01-017-7508SUCCESSOR
VOLTMETER
825965-45A
6625-01-017-7509SUCCESSOR
AMMETER
825965-47A
6625-01-243-3601SUCCESSOR
AMMETER
AD9371-1 PIECE 2
6625-01-243-3602SUCCESSOR
AMMETER
AD9371-1 PIECE 10,13
6625-01-245-3434SUCCESSOR
AMMETER
CDHSI00104
6625-01-245-6779SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-01-245-6776?

NSN 6625-01-245-6776 is a Voltmeter, manufactured by Hughes Corp Div Weschler Electric, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-245-6776?

NSN 6625-01-245-6776 has 3 cross-referenced part numbers: 291B462A09SPEC/REDLINE@450 (Hughes Corp Div Weschler Electric), KA-241 (Hughes Corp Div Dba Weschler Instruments), 304A190 ITEM 17 (Westinghouse Electric Corp Control Business Unit).

What NSN replaces 6625-01-245-6776?

There are 11 known substitutes for 6625-01-245-6776: 6625-00-014-4367, 6625-00-018-9061, 6625-00-409-1941 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 291B462A09SPEC/REDLINE@450?

Key specifications for 291B462A09SPEC/REDLINE@450: Overall Height: 4.422 INCHES NOMINAL IN; Overall Length: 4.437 INCHES NOMINAL IN; Furnished Items and Quantity: TERM. HDW 2; MTG HDW 4; Mounting Hole Diameter: 0.313 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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