PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26597Voltmeter

Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit · NSN 6625-01-115-4091 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-115-4091 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-115-4091. Primary manufacturer part number: 26597.
Features
  • Voltmeter — FSC 6625
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR ALL RANGES
  • Circuit Current for Which Designed: DC
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Measurement Range: +0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SECOND RANGE
  • Scale Division Quantity: 50 SINGLE INDICATOR ALL RANGES
  • Meter Body Diameter Behind Mounting Flange: 2.150 INCHES MAXIMUM IN
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-115-4091, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-115-4091
Primary Part Number26597
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerTransistor Devices Inc Div Astrodyne Tdi High Power Business Unit
StatusACTIVE
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Circuit Current for Which DesignedDC
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SECOND RANGE
Scale Division Quantity50 SINGLE INDICATOR ALL RANGES
Meter Body Diameter Behind Mounting Flange2.150 INCHES MAXIMUM IN
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Facility Type and Quantity4 THREADED STUD(S)
Indicator TypeDIAL W/POINTER
Furnished Items and QuantityNUT 2
Power SourceEXTERNAL
Mounting Arrangement StyleTHREE HOLE/STUD TRIANGULAR
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Depth Behind Mounting Flange1.180 INCHES NOMINAL IN
Sensitivity Rating1.0 MILLIAMPERES
Measurement Range+0.0 TO 10.0 VOLTS, DC SINGLE INDICATOR FIRST RANGE
Mounting Stud Length0.500 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
MaterialSTEEL
Scale Selection MethodTERMINAL
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Style DesignatorRECTANGULAR FLUSH MTG
Center to Center Distance Between Mounting Facilities Parallel to Width1.819 INCHES MINIMUM AND 1.839 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 8
6625-01-062-8203152KEYBOARD/OPT001,005,006 SUCCESSOR
Generator,function,electronic Te
Fluke Corp
5315-00-058-9817NAS561C8-44 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4140-00-358-531226597 INTERCHANGEABLE
Housing,centrifugal Fan
Regal-Beloit Corporation Dba Fasco Group Div Cassville Division
6625-00-902-405950-152111JRJR2 INTERCHANGEABLE
Ammeter
Ametek Inc Div Aerospace and Defense
2910-00-999-322826597 INTERCHANGEABLE
Choke Assembly,carburetor
Camdec Corp
6625-01-229-8845 INTERCHANGEABLE
Ammeter
1005-01-567-731526597 INTERCHANGEABLE
Base,rear Sight
Charles Reed Knight Jr Dba Knight's Armament Company
6515-01-598-8290905-00017 INTERCHANGEABLE
Blood-Fluid Warmer System
Belmont Instrument Llc
Cross-Reference Index
Part NumberManufacturer
PA8660 Custom Metering Company Inc (USA)
26597 PRIMARY Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA)
MK22-11 Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA)
152 Yokogawa Corporation of America (USA)
PA8660 Pa Instruments Inc (USA)
Related Parts
6625-01-062-8203SUCCESSOR
GENERATOR,FUNCTION,ELECTRONIC TE
152KEYBOARD/OPT001,005,006
5315-00-058-9817INTERCHANGEABLE
PIN,SPRING
NAS561C8-44
4140-00-358-5312INTERCHANGEABLE
HOUSING,CENTRIFUGAL FAN
26597
6625-00-902-4059INTERCHANGEABLE
AMMETER
50-152111JRJR2
2910-00-999-3228INTERCHANGEABLE
CHOKE ASSEMBLY,CARBURETOR
26597
6625-01-229-8845INTERCHANGEABLE
AMMETER
1005-01-567-7315INTERCHANGEABLE
BASE,REAR SIGHT
26597
6515-01-598-8290INTERCHANGEABLE
BLOOD-FLUID WARMER SYSTEM
905-00017

Frequently Asked Questions

What is NSN 6625-01-115-4091?

NSN 6625-01-115-4091 is a Voltmeter, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-115-4091?

NSN 6625-01-115-4091 has 5 cross-referenced part numbers: PA8660 (Custom Metering Company Inc), 26597 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit), MK22-11 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics), 152 (Yokogawa Corporation of America), PA8660 (Pa Instruments Inc).

What NSN replaces 6625-01-115-4091?

There are 8 known substitutes for 6625-01-115-4091: 6625-01-062-8203, 5315-00-058-9817, 4140-00-358-5312 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26597?

Key specifications for 26597: Dial Scale Marking Color: BLACK SINGLE INDICATOR ALL RANGES; Circuit Current for Which Designed: DC; Overall Length: 2.350 INCHES NOMINAL IN; Movement Suspension Method: JEWEL PIVOT BASE. 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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