PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

506Voltmeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-643-0577 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-0577 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-0577. Primary manufacturer part number: 506.
Features
  • Voltmeter — FSC 6625
  • Movement Type: MOVING IRON VANE
  • Overall Diameter: 2.688 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES MAXIMUM IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Installation Design: PANEL
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-643-0577, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. Government technical data includes 29 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-643-0577
Primary Part Number506
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Movement TypeMOVING IRON VANE
Overall Diameter2.688 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange0.751 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Circuit Attachment Method and Quantity3 THREADED STUD
Power SourceEXTERNAL
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Indicator TypeDIAL W/POINTER
MaterialPLASTIC
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Nuclear Hardness Critical FeatureNONHARDENED
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Circuit Current for Which DesignedAC
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Sensitivity Rating1200.0 OHMS PER VOLT
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Measurement Range+0.0 TO 30.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Overall Diameter2.688 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Movement TypeMOVING IRON VANE
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-504-2980
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 12
Meter,arbitrary Scale
6625-01-462-6376506 SUCCESSOR
Multimeter
Hc Protek
6625-01-540-3811506 SUCCESSOR
Case,electrical-Electronic Test
Platt Luggage, Inc.
6625-00-186-8296 INTERCHANGEABLE
Ammeter
6625-00-440-6548 INTERCHANGEABLE
Ammeter
6625-00-538-8996 INTERCHANGEABLE
Ammeter
6625-00-571-4459 INTERCHANGEABLE
Multimeter
6625-00-602-3951 INTERCHANGEABLE
Ammeter
6625-00-635-4180KS8157 INTERCHANGEABLE
Ammeter
Lucent Technologies Inc Corporate Headquarters
6625-00-643-3146 INTERCHANGEABLE
Meter,audio Level
Cross-Reference Index
Part NumberManufacturer
506 Solartron Electronics Inc Weston Instruments Div (USA)
05-00-00-01REVA Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
05-00-00-01REVA Litton Systems Inc Amecom Div (USA)
Related Parts
SUCCESSOR 6625-00-504-2980 Meter,arbitrary Scale
6625-01-462-6376SUCCESSOR
MULTIMETER
506
6625-01-540-3811SUCCESSOR
CASE,ELECTRICAL-ELECTRONIC TEST
506
6625-00-186-8296INTERCHANGEABLE
AMMETER
6625-00-440-6548INTERCHANGEABLE
AMMETER
6625-00-538-8996INTERCHANGEABLE
AMMETER
6625-00-571-4459INTERCHANGEABLE
MULTIMETER
6625-00-602-3951INTERCHANGEABLE
AMMETER
6625-00-635-4180INTERCHANGEABLE
AMMETER
KS8157
6625-00-643-3146INTERCHANGEABLE
METER,AUDIO LEVEL
6625-00-643-3150INTERCHANGEABLE
METER,AUDIO LEVEL
6625-00-649-3660INTERCHANGEABLE
AMMETER
22454

Frequently Asked Questions

What is NSN 6625-00-643-0577?

NSN 6625-00-643-0577 is a Voltmeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-643-0577?

NSN 6625-00-643-0577 has 3 cross-referenced part numbers: 506 (Solartron Electronics Inc Weston Instruments Div), 05-00-00-01REVA (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 05-00-00-01REVA (Litton Systems Inc Amecom Div).

What NSN replaces 6625-00-643-0577?

There are 12 known substitutes for 6625-00-643-0577: 6625-00-504-2980, 6625-01-462-6376, 6625-01-540-3811 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 506?

Key specifications for 506: Movement Type: MOVING IRON VANE; Overall Diameter: 2.688 INCHES NOMINAL IN; Color: UNABLE TO DECODE; Meter Body Diameter Behind Mounting Flange: 2.210 INCHES MAXIMUM 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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