PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13309Voltmeter

Gamma Scientific Inc · NSN 6625-01-105-0657 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-105-0657 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-105-0657. Primary manufacturer part number: 13309.
Features
  • Voltmeter — FSC 6625
  • Mounting Facility Type and Quantity: 1 THREADED BEZEL AND 1 COLLAR
  • Features Provided: MAGNETIC SHIELD
  • Power Source: EXTERNAL
  • Display Color: RED SINGLE INDICATOR SINGLE RANGE
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Display Type: GAS DISCHARGE TUBE
  • Scale Selection Method: TERMINAL
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-105-0657, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Gamma Scientific Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-105-0657
Primary Part Number13309
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerGamma Scientific Inc
StatusACTIVE
Mounting Facility Type and Quantity1 THREADED BEZEL AND 1 COLLAR
Features ProvidedMAGNETIC SHIELD
Power SourceEXTERNAL
Display ColorRED SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Display TypeGAS DISCHARGE TUBE
Scale Selection MethodTERMINAL
Special Test FeaturesCOMPLIES WITH MIL-MIL-M-10304
Measurement Range-1.999 TO 1.999 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Surface TreatmentPAINT
MaterialPLASTIC
Nuclear Hardness Critical FeatureNONHARDENED
Meter Depth Behind Mounting Flange2.815 INCHES MAXIMUM IN
Meter Body Width Behind Mounting Flange3.483 INCHES MAXIMUM IN
Style DesignatorRECTANGULAR FLUSH MTG
Circuit Attachment Method and Quantity2 PRINTED CIRCUIT
Indicator TypeDIGITAL DISPLAY
Installation DesignPANEL
Circuit Current for Which DesignedAC
Accuracy RatingPORM 0.05 PCT OF READING PORM ONE COUNT SINGLE INDICATOR SINGLE RANGE
Meter Body Height Behind Mounting Flange2.005 INCHES MAXIMUM IN
Furnished Items and QuantitySEAL 1
Dielectric Withstanding Voltage in Volts3000.0
Display Digit Quantity3-1/2
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Mounting Facility Type and Quantity1 THREADED BEZEL AND 1 COLLAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5133-00-189-9254 INTERCHANGEABLE
Drill,twist
2910-00-237-05280-13309 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
3110-00-540-7675E5Y INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5905-00-789-5640 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5975-00-913-3167609 INTERCHANGEABLE
Adapter,electrical Conduit
Abb Installation Products Inc
6240-01-344-992890PAR38/CAP/SP/120V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
5120-01-468-9745 INTERCHANGEABLE
Key,socket Head Screw
4730-01-597-262533050D INTERCHANGEABLE
Connector,tubing,straight
Indal Technologies Inc
6070-01-654-034613309 INTERCHANGEABLE
Cleaning Tool,fiber Optic Connec
Us Conec Ltd (inc)
Cross-Reference Index
Part NumberManufacturer
13309 PRIMARY Gamma Scientific Inc (USA)
Related Parts
5133-00-189-9254INTERCHANGEABLE
DRILL,TWIST
2910-00-237-0528INTERCHANGEABLE
CARBURETOR,FLOAT
0-13309
3110-00-540-7675INTERCHANGEABLE
BEARING,BALL,ANNULAR
E5Y
5905-00-789-5640INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5975-00-913-3167INTERCHANGEABLE
ADAPTER,ELECTRICAL CONDUIT
609
6240-01-344-9928INTERCHANGEABLE
LAMP,INCANDESCENT
90PAR38/CAP/SP/120V
5120-01-468-9745INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
4730-01-597-2625INTERCHANGEABLE
CONNECTOR,TUBING,STRAIGHT
33050D
6070-01-654-0346INTERCHANGEABLE
CLEANING TOOL,FIBER OPTIC CONNEC
13309

Frequently Asked Questions

What is NSN 6625-01-105-0657?

NSN 6625-01-105-0657 is a Voltmeter, manufactured by Gamma Scientific Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-105-0657?

NSN 6625-01-105-0657 has 1 cross-referenced part number: 13309 (Gamma Scientific Inc).

What NSN replaces 6625-01-105-0657?

There are 9 known substitutes for 6625-01-105-0657: 5133-00-189-9254, 2910-00-237-0528, 3110-00-540-7675 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13309?

Key specifications for 13309: Mounting Facility Type and Quantity: 1 THREADED BEZEL AND 1 COLLAR; Features Provided: MAGNETIC SHIELD; Power Source: EXTERNAL; Display Color: RED SINGLE INDICATOR SINGLE RANGE. 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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