PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50657Voltmeter

Rogerson Kratos · NSN 6625-00-488-5206 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-488-5206 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-488-5206. Primary manufacturer part number: 50657.
Features
  • Voltmeter — FSC 6625
  • Dial Scale Marking Color: WHITE SINGLE INDICATOR SINGLE RANGE
  • Sensitivity Rating: 29.0 VOLTS
  • Special Markings: AMBER BAND FROM 21.0 TO 24.0 V; GREEN BAND FROM 24.0 TO 29.0 V V
  • Color: UNABLE TO DECODE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Style Designator: ROUND SURFACE MTG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-488-5206, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Rogerson Kratos. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-488-5206
Primary Part Number50657
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRogerson Kratos
StatusACTIVE
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating29.0 VOLTS
Special MarkingsAMBER BAND FROM 21.0 TO 24.0 V; GREEN BAND FROM 24.0 TO 29.0 V V
ColorUNABLE TO DECODE
Circuit Attachment Method and Quantity2 THREADED STUD
FSC Application DataTEST SET,ELECT. EQUIP.
Style DesignatorROUND SURFACE MTG
Furnished Items and QuantityTERM. HDW 2
Overall Diameter1.130 INCHES NOMINAL IN
Scale Division Quantity4 SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Movement TypeMOVING COIL, PERMANENT MAGNET
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Pointer ColorWHITE SINGLE INDICATOR SINGLE RANGE
Measurement Range+21.0 TO 29.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity1 THREADED BODY
Scale Selection MethodTERMINAL
Nuclear Hardness Critical FeatureNONHARDENED
Circuit Current for Which DesignedDC
Power SourceEXTERNAL
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT
Indicator TypeDIAL W/POINTER
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating29.0 VOLTS
Special MarkingsAMBER BAND FROM 21.0 TO 24.0 V; GREEN BAND FROM 24.0 TO 29.0 V V
ColorUNABLE TO DECODE
Circuit Attachment Method and Quantity2 THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight0.2500 lbs
Cube0.0069 cu ft
Verified Substitutes 6
3455-00-007-9629 INTERCHANGEABLE
File,rotary
5310-00-178-961210A1914842 INTERCHANGEABLE
Washer,flat
Fwd Seagrave Holdings Lp
3020-00-339-16287F7715 INTERCHANGEABLE
Gear,worm
Caterpillar Inc Div Caterpillar Defense
4320-01-111-410531088 INTERCHANGEABLE
Valve,discharge
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
3040-01-359-25225065-7 INTERCHANGEABLE
Hub,body
Thompson Emery Machine & Supply Co
4820-01-583-106650657 INTERCHANGEABLE
Valve,regulating,fluid Pressure
G.s. Blodgett, Llc Div Blodgett
Cross-Reference Index
Part NumberManufacturer
50657 Meggitt (uk) Limited (GBR)
50657 Rogerson Aircraft Equipment Group (USA)
B3300-0082 Page Aerospace Limited (GBR)
B3300-0082 Meggitt (uk) Limited (GBR)
50657 PRIMARY Rogerson Kratos (USA)
Related Parts
3455-00-007-9629INTERCHANGEABLE
FILE,ROTARY
5310-00-178-9612INTERCHANGEABLE
WASHER,FLAT
10A1914842
3020-00-339-1628INTERCHANGEABLE
GEAR,WORM
7F7715
4320-01-111-4105INTERCHANGEABLE
VALVE,DISCHARGE
31088
3040-01-359-2522INTERCHANGEABLE
HUB,BODY
5065-7
4820-01-583-1066INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
50657

Frequently Asked Questions

What is NSN 6625-00-488-5206?

NSN 6625-00-488-5206 is a Voltmeter, manufactured by Rogerson Kratos, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-488-5206?

NSN 6625-00-488-5206 has 5 cross-referenced part numbers: 50657 (Meggitt (uk) Limited), 50657 (Rogerson Aircraft Equipment Group), B3300-0082 (Page Aerospace Limited), B3300-0082 (Meggitt (uk) Limited), 50657 (Rogerson Kratos).

What NSN replaces 6625-00-488-5206?

There are 6 known substitutes for 6625-00-488-5206: 3455-00-007-9629, 5310-00-178-9612, 3020-00-339-1628 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50657?

Key specifications for 50657: Dial Scale Marking Color: WHITE SINGLE INDICATOR SINGLE RANGE; Sensitivity Rating: 29.0 VOLTS; Special Markings: AMBER BAND FROM 21.0 TO 24.0 V; GREEN BAND FROM 24.0 TO 29.0 V V; 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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