PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

476-0031-000Voltmeter

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 6625-00-643-0584 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-0584 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-0584. Primary manufacturer part number: 476-0031-000.
Features
  • Voltmeter — FSC 6625
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Surface Treatment: CADMIUM AND CHROMATE
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Circuit Current for Which Designed: DC
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
  • Special Test Features: COMPLIES WITH MIL-M-10304
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-643-0584, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-643-0584
Primary Part Number476-0031-000
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Surface TreatmentCADMIUM AND CHROMATE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Circuit Current for Which DesignedDC
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Special Test FeaturesCOMPLIES WITH MIL-M-10304
MaterialSTEEL
Measurement Range+0.0 TO 250.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Indicator TypeDIAL W/POINTER
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity6 SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating1.0 MILLIAMPERES
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
ColorUNABLE TO DECODE
Furnished Items and QuantityNUT 5; LOCKWASHER 5; SEAL 1
Overall Diameter2.687 INCHES NOMINAL IN
Power SourceEXTERNAL
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.218 INCHES NOMINAL IN
Scale Selection MethodTERMINAL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Dielectric Withstanding Voltage in Volts2500.0
Pointer ColorWHITE SINGLE INDICATOR SINGLE RANGE
Special MarkingsON FRONT TOP OF SCALE,1610; ON BACK,SEALED DO NOT OPEN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-504-2193
HAZMATNo
Verified Substitutes 7
Electronic Components Assembly
5999-00-164-0718176MAW1 SUCCESSOR
Contact,electrical
Linde Material Handling North America Corporation
Circuit Card Assembly
Meter,arbitrary Scale
6625-00-542-0528413605-1 SUCCESSOR
Voltmeter
L3harris Technologies, Inc. Dba Harris Corporation
Ammeter
6625-01-150-6059321 SUCCESSOR
Multimeter
North Atlantic Industries, Inc. Dba North Atlantic Industries
Cross-Reference Index
Part NumberManufacturer
321 American Instrument Corp (USA)
476-0031-000 Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems (USA)
476-0031-000 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
321 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
Related Parts
SUCCESSOR 6625-00-504-2193 Meter,arbitrary Scale
5998-00-018-9284SUCCESSOR
ELECTRONIC COMPONENTS ASSEMBLY
5999-00-164-0718SUCCESSOR
CONTACT,ELECTRICAL
176MAW1
5998-00-233-5205SUCCESSOR
CIRCUIT CARD ASSEMBLY
6625-00-542-0528SUCCESSOR
VOLTMETER
413605-1
6625-00-553-0177SUCCESSOR
AMMETER
6625-01-150-6059SUCCESSOR
MULTIMETER
321

Frequently Asked Questions

What is NSN 6625-00-643-0584?

NSN 6625-00-643-0584 is a Voltmeter, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-643-0584?

NSN 6625-00-643-0584 has 4 cross-referenced part numbers: 321 (American Instrument Corp), 476-0031-000 (Rockwell Collins, Inc. Div Collins Aerospace - Mission Systems), 476-0031-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 321 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc).

What NSN replaces 6625-00-643-0584?

There are 7 known substitutes for 6625-00-643-0584: 5998-00-018-9284, 5999-00-164-0718, 5998-00-233-5205 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 476-0031-000?

Key specifications for 476-0031-000: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Surface Treatment: CADMIUM AND CHROMATE; Special Features: RUGGEDIZED; Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com