PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

104778-15Voltmeter

Demott Electronics Co · NSN 6625-00-603-7128 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-603-7128 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-603-7128. Primary manufacturer part number: 104778-15.
Features
  • Voltmeter — FSC 6625
  • Circuit Current for Which Designed: DC
  • Indicator Type: DIAL W/POINTER
  • Color: UNABLE TO DECODE
  • Meter Depth Behind Mounting Flange: 1.405 INCHES NOMINAL IN
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Scale Division Quantity: 25 SINGLE INDICATOR SINGLE RANGE
  • Movement Type: MOVING COIL, PERMANENT MAGNET
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-603-7128, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Demott Electronics Co. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-603-7128
Primary Part Number104778-15
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerDemott Electronics Co
StatusCANCELLED
Circuit Current for Which DesignedDC
Indicator TypeDIAL W/POINTER
ColorUNABLE TO DECODE
Meter Depth Behind Mounting Flange1.405 INCHES NOMINAL IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity25 SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
MaterialPLASTIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER LUG
Movement Suspension MethodJEWEL PIVOT BASE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Nuclear Hardness Critical FeatureNONHARDENED
Installation DesignPANEL
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Meter Body Diameter Behind Mounting Flange2.000 INCHES NOMINAL IN
Accuracy in Percent-5.0 TO 5.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Indicator TypeDIAL W/POINTER
ColorUNABLE TO DECODE
Meter Depth Behind Mounting Flange1.405 INCHES NOMINAL IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity25 SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
MaterialPLASTIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor7050-01-003-7160 (8122)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
No Item Name Available
7050-01-003-71608122 SUCCESSOR
Converter,digital to Analog
Analog Devices, Inc. Div Corporate Headquarters
6230-00-104-2888A265-1396A INTERCHANGEABLE
Floodlight,electric
Essex Electro Engineers Inc
3020-00-231-56678122 INTERCHANGEABLE
Gear,fiber
General Binding Corporation Dba G B C
5325-00-454-638581-22 INTERCHANGEABLE
Grommet,nonmetallic
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
4730-00-540-2612SAE J512 4-2 040102B INTERCHANGEABLE
Adapter,straight,pipe to Tube
Sae International Dba Sae International
5960-00-904-8836 INTERCHANGEABLE
Electron Tube
5330-00-906-10378122-160-P9 INTERCHANGEABLE
Packing Assembly
Greene Tweed & Co Inc
5961-00-911-6015 INTERCHANGEABLE
Transistor
5940-01-106-1136812-GP-02 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
Cross-Reference Index
Part NumberManufacturer
104778-15 PRIMARY Demott Electronics Co (USA)
8122 Sigma Instruments Inc Shurite Instrument Div (USA)
81095-8122 Sigma Instruments Inc Shurite Instrument Div (USA)
Related Parts
SUCCESSOR 7050-01-003-7160 Converter,digital to Analog · 8122
6625-01-065-7769SUCCESSOR
NO ITEM NAME AVAILABLE
6230-00-104-2888INTERCHANGEABLE
FLOODLIGHT,ELECTRIC
A265-1396A
3020-00-231-5667INTERCHANGEABLE
GEAR,FIBER
8122
5325-00-454-6385INTERCHANGEABLE
GROMMET,NONMETALLIC
81-22
4730-00-540-2612INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
SAE J512 4-2 040102B
5960-00-904-8836INTERCHANGEABLE
ELECTRON TUBE
5330-00-906-1037INTERCHANGEABLE
PACKING ASSEMBLY
8122-160-P9
5961-00-911-6015INTERCHANGEABLE
TRANSISTOR
5940-01-106-1136INTERCHANGEABLE
TERMINAL BOARD
812-GP-02
5130-01-145-7456INTERCHANGEABLE
BRUSH,WIRE,ROTARY WHEEL
5340-01-181-0197INTERCHANGEABLE
BRACKET,FLAME,DETECTOR

Frequently Asked Questions

What is NSN 6625-00-603-7128?

NSN 6625-00-603-7128 is a Voltmeter, manufactured by Demott Electronics Co, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-603-7128?

NSN 6625-00-603-7128 has 3 cross-referenced part numbers: 104778-15 (Demott Electronics Co), 8122 (Sigma Instruments Inc Shurite Instrument Div), 81095-8122 (Sigma Instruments Inc Shurite Instrument Div).

What NSN replaces 6625-00-603-7128?

There are 12 known substitutes for 6625-00-603-7128: 6625-01-065-7769, 7050-01-003-7160, 6230-00-104-2888 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 104778-15?

Key specifications for 104778-15: Circuit Current for Which Designed: DC; Indicator Type: DIAL W/POINTER; Color: UNABLE TO DECODE; Meter Depth Behind Mounting Flange: 1.405 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-603-7128 still in active supply?

NSN 6625-00-603-7128 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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