PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6872120-17Voltmeter

Allison Transmission Inc Dba Allison Transmission, Inc · NSN 6625-00-492-8666 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-492-8666 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-492-8666. Primary manufacturer part number: 6872120-17.
Features
  • Voltmeter — FSC 6625
  • Mounting Hole Diameter: 0.115 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
  • Installation Design: PANEL
  • Material: ALUMINUM
  • Style Designator: ROUND FLUSH MTG
Applications
  • Applications requiring Aluminum construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-492-8666, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-492-8666
Primary Part Number6872120-17
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Mounting Hole Diameter0.115 INCHES NOMINAL IN
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT. EQUIP.
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Installation DesignPANEL
MaterialALUMINUM
Style DesignatorROUND FLUSH MTG
Movement Suspension MethodJEWEL PIVOT BASE
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Furnished Items and QuantityNUT 7; WASHER 5
Nuclear Hardness Critical FeatureNONHARDENED
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Power SourceEXTERNAL
Scale Graduation TypeNONLINEAR SINGLE INDICATOR ALL RANGES
Measurement Range+0.0 TO 500.0 MILLIAMPERES, DC SINGLE INDICATOR FIRST RANGE
Overall Diameter3.500 INCHES NOMINAL IN
Measurement Range+0.0 TO 50.0 VOLTS, DC SINGLE INDICATOR SECOND RANGE
Meter Depth Behind Mounting Flange1.310 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Indicator TypeDIAL W/POINTER
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Mounting Hole Diameter0.115 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 9
3444-00-254-2126 INTERCHANGEABLE
Press,arbor,hand Operated
6680-00-515-590926A INTERCHANGEABLE
Tachometer,electric,nonself-Gene
Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco
8115-00-521-9052C3526A INTERCHANGEABLE
Box,small Parts
R Pm Industries Inc
6520-00-538-915026A INTERCHANGEABLE
Grinding and Polishing Machine,d
Handler Manufacturing Company Inc
4820-00-608-4640SPUS/R73G2AKRSN-8J INTERCHANGEABLE
Valve,regulating,fluid Pressure
Norgren C a Co
4110-01-028-4194 INTERCHANGEABLE
Freezer,prefabricated
6625-01-183-044426A INTERCHANGEABLE
Calibrator,voltmeter
Boonton Electronics Corporation Div Boonton Electronics
9150-01-235-279526A INTERCHANGEABLE
Lubericant
Sandstrom Products Company
5315-01-268-004126A INTERCHANGEABLE
Pin,straight,headless
Lake Shore Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
26A Simpson Electric Company, Inc. (USA)
6872120-17 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
Related Parts
3444-00-254-2126INTERCHANGEABLE
PRESS,ARBOR,HAND OPERATED
6680-00-515-5909INTERCHANGEABLE
TACHOMETER,ELECTRIC,NONSELF-GENE
26A
8115-00-521-9052INTERCHANGEABLE
BOX,SMALL PARTS
C3526A
6520-00-538-9150INTERCHANGEABLE
GRINDING AND POLISHING MACHINE,D
26A
4820-00-608-4640INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
SPUS/R73G2AKRSN-8J
4110-01-028-4194INTERCHANGEABLE
FREEZER,PREFABRICATED
6625-01-183-0444INTERCHANGEABLE
CALIBRATOR,VOLTMETER
26A
9150-01-235-2795INTERCHANGEABLE
LUBERICANT
26A
5315-01-268-0041INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
26A

Frequently Asked Questions

What is NSN 6625-00-492-8666?

NSN 6625-00-492-8666 is a Voltmeter, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-492-8666?

NSN 6625-00-492-8666 has 2 cross-referenced part numbers: 26A (Simpson Electric Company, Inc.), 6872120-17 (Allison Transmission Inc Dba Allison Transmission, Inc).

What NSN replaces 6625-00-492-8666?

There are 9 known substitutes for 6625-00-492-8666: 3444-00-254-2126, 6680-00-515-5909, 8115-00-521-9052 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6872120-17?

Key specifications for 6872120-17: Mounting Hole Diameter: 0.115 INCHES NOMINAL IN; Color: UNABLE TO DECODE; FSC Application Data: TEST SET,ELECT. EQUIP.; Pointer Color: BLACK SINGLE INDICATOR ALL RANGES. 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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