PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

221HRVoltmeter

Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging · NSN 6625-01-026-1197 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-026-1197 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-026-1197. Primary manufacturer part number: 221HR.
Features
  • Voltmeter — FSC 6625
  • Mounting Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Features Provided: LUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER
  • Circuit Current for Which Designed: DC
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR ALL RANGES
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-026-1197, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN6625-01-026-1197
Primary Part Number221HR
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging
StatusACTIVE
Mounting Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Features ProvidedLUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER
Circuit Current for Which DesignedDC
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Movement Suspension MethodJEWEL PIVOT BASE
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Measurement Range+0.0 TO 10.0 VOLTS SINGLE INDICATOR SECOND RANGE
Scale Graduation TypeNONLINEAR SINGLE INDICATOR ALL RANGES
Movement TypeMOVING COIL, PERMANENT MAGNET
Measurement Range+0.0 TO 25.0 VOLTS SINGLE INDICATOR THIRD RANGE
ColorUNABLE TO DECODE
Nuclear Hardness Critical FeatureNONHARDENED
MaterialSTEEL CORROSION RESISTING
Surface TreatmentENAMEL SEMIGLOSS
Style DesignatorROUND FLUSH MTG
Special Test FeaturesCONFORMS TO MIL-M-103-4/5 TYPE MR26W005DCVVR
FSC Application DataTEST SET,ELECT. EQUIP.
Power SourceEXTERNAL
Furnished Items and QuantityNUT 5; WASHER 5
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Installation DesignPANEL
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Overall Diameter2.695 INCHES MAXIMUM IN
Measurement Range+0.0 TO 5.0 VOLTS SINGLE INDICATOR FIRST RANGE
Indicator TypeDIAL W/POINTER
Circuit Attachment Method and Quantity2 SCREW AND 2 THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight0.6400 lbs
Cube0.0522 cu ft
Verified Substitutes 12
6625-00-060-9010 INTERCHANGEABLE
Ammeter
6625-00-140-738510548824-4 INTERCHANGEABLE
Voltmeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6625-00-476-1875476-0255-010 INTERCHANGEABLE
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-684-2821 INTERCHANGEABLE
Ammeter
6625-00-781-72931183019P1 INTERCHANGEABLE
Meter,special Scale
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5360-00-824-2902S200-20 INTERCHANGEABLE
Spring,helical,compression
Triumph Actuation Systems - Connecticut, Llc
6625-00-904-0700 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-930-0266717210-42 INTERCHANGEABLE
Meter,multiple Scale
Raytheon Company Div Rmd Strategic
6625-00-984-21352388802 INTERCHANGEABLE
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
6625-00-985-5264 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
221HR Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
S20020 Simpson Electric Company, Inc. (USA)
2986-0001-001 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
265-332 Jewell Instruments Llc (USA)
Related Parts
6625-00-060-9010INTERCHANGEABLE
AMMETER
6625-00-140-7385INTERCHANGEABLE
VOLTMETER
10548824-4
6625-00-476-1875INTERCHANGEABLE
WATTMETER
476-0255-010
6625-00-684-2821INTERCHANGEABLE
AMMETER
6625-00-781-7293INTERCHANGEABLE
METER,SPECIAL SCALE
1183019P1
5360-00-824-2902INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
S200-20
6625-00-904-0700INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-930-0266INTERCHANGEABLE
METER,MULTIPLE SCALE
717210-42
6625-00-984-2135INTERCHANGEABLE
AMMETER
2388802
6625-00-985-5264INTERCHANGEABLE
AMMETER
6625-01-069-1494INTERCHANGEABLE
AMMETER
SM-A-776453
6625-01-091-6832INTERCHANGEABLE
AMMETER
11437135

Frequently Asked Questions

What is NSN 6625-01-026-1197?

NSN 6625-01-026-1197 is a Voltmeter, manufactured by Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-026-1197?

NSN 6625-01-026-1197 has 4 cross-referenced part numbers: 221HR (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), S20020 (Simpson Electric Company, Inc.), 2986-0001-001 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 265-332 (Jewell Instruments Llc).

What NSN replaces 6625-01-026-1197?

There are 12 known substitutes for 6625-01-026-1197: 6625-00-060-9010, 6625-00-140-7385, 6625-00-476-1875 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 221HR?

Key specifications for 221HR: Mounting Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Features Provided: LUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER; Circuit Current for Which Designed: DC. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com