PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2122-17451Voltmeter

Simpson Electric Company, Inc. · NSN 6625-01-308-8630 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-308-8630 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-308-8630. Primary manufacturer part number: 2122-17451.
Features
  • Voltmeter — FSC 6625
  • Mounting Stud Length: 0.530 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.880 INCHES NOMINAL IN
  • Meter Body Diameter Behind Mounting Flange: 2.160 INCHES NOMINAL IN
  • Meter Depth Behind Mounting Flange: 1.340 INCHES NOMINAL IN
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Indicator Type: DIAL W/POINTER
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-308-8630, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-308-8630
Primary Part Number2122-17451
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Mounting Stud Length0.530 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.880 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.160 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.340 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Indicator TypeDIAL W/POINTER
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityNUT 2
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Facility Type and Quantity4 THREADED STUD(S)
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Measurement Range+0.0 TO 100.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Supplementary Features1000 OHM PER VOLT METER RESISTANCE
Circuit Attachment Method and Quantity2 THREADED STUD
Features ProvidedKNIFE EDGE POINTER AND ZERO ADJUSTER
Circuit Current for Which DesignedDC
Center to Center Distance Between Mounting Facilities Parallel to Width1.880 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 12
4310-00-214-281417451 INTERCHANGEABLE
Ring,piston
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
2530-00-427-4926J3208311 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Chrysler Corp Engine and Components Sales Diversified Products Div
1005-00-477-5021 INTERCHANGEABLE
Detent,magazine Cap
3030-00-555-308317451 GATOR BACK 20033566 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5365-00-556-744617451 INTERCHANGEABLE
Plug,machine Thread
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5310-00-560-55758170372 INTERCHANGEABLE
Washer,flat
Us Army Aviation and Missile Command
5950-01-032-4509984819-1C INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5905-01-260-8640 INTERCHANGEABLE
Resistor,thermal
3040-01-305-9927 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
4140-01-486-488413MPE-301-016, PC. 70 INTERCHANGEABLE
Blower,air Barrier
Willard Marine, Inc.
Cross-Reference Index
Part NumberManufacturer
2122-17451 Simpson Electric Company, Inc. (USA)
17451 Simpson Electric Company, Inc. (USA)
2122 0TO100VDC Simpson Electric Company, Inc. (USA)
Related Parts
4310-00-214-2814INTERCHANGEABLE
RING,PISTON
17451
2530-00-427-4926INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
J3208311
1005-00-477-5021INTERCHANGEABLE
DETENT,MAGAZINE CAP
3030-00-555-3083INTERCHANGEABLE
BELT,V
17451 GATOR BACK 20033566
5365-00-556-7446INTERCHANGEABLE
PLUG,MACHINE THREAD
17451
5310-00-560-5575INTERCHANGEABLE
WASHER,FLAT
8170372
5950-01-032-4509INTERCHANGEABLE
TRANSFORMER,POWER
984819-1C
5905-01-260-8640INTERCHANGEABLE
RESISTOR,THERMAL
3040-01-305-9927INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
4140-01-486-4884INTERCHANGEABLE
BLOWER,AIR BARRIER
13MPE-301-016, PC. 70
8030-01-564-5590INTERCHANGEABLE
SEALING COMPOUND
6525-01-584-5624INTERCHANGEABLE
PROBE,ULTRASONIC UNIT,DIAGNOSTIC
P07699

Frequently Asked Questions

What is NSN 6625-01-308-8630?

NSN 6625-01-308-8630 is a Voltmeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-308-8630?

NSN 6625-01-308-8630 has 3 cross-referenced part numbers: 2122-17451 (Simpson Electric Company, Inc.), 17451 (Simpson Electric Company, Inc.), 2122 0TO100VDC (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-308-8630?

There are 12 known substitutes for 6625-01-308-8630: 4310-00-214-2814, 2530-00-427-4926, 1005-00-477-5021 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2122-17451?

Key specifications for 2122-17451: Mounting Stud Length: 0.530 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.880 INCHES NOMINAL IN; Meter Body Diameter Behind Mounting Flange: 2.160 INCHES NOMINAL IN; Meter Depth Behind Mounting Flange: 1.340 INCHES NOMINAL IN. 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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