PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1418Voltmeter

Jewell Instruments Llc · NSN 6625-00-405-5020 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-405-5020 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-405-5020. Primary manufacturer part number: 1418.
Features
  • Voltmeter — FSC 6625
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Depth Behind Mounting Flange: 1.660 INCHES NOMINAL IN
  • Furnished Items and Quantity: NUT 4; WASHER 2
  • Mounting Bolt Circle Diameter: 3.160 INCHES NOMINAL IN
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Style Designator: ROUND FLUSH MTG
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-405-5020, 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. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 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
NSN6625-00-405-5020
Primary Part Number1418
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL IN
Furnished Items and QuantityNUT 4; WASHER 2
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Style DesignatorROUND FLUSH MTG
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Overall Diameter3.500 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Installation DesignPANEL
Movement Suspension MethodJEWEL PIVOT BASE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Circuit Current for Which DesignedDC
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Power SourceEXTERNAL
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 10.0 KILOVOLTS, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
MaterialPLASTIC
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-538-9769
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
Ammeter
6625-00-067-6000301-1603039 SUCCESSOR
Voltmeter
Jewell Instruments Llc
Voltmeter
6625-00-172-7348711549-04 SUCCESSOR
Ammeter
Honeywell International Inc. Dba Honeywell International
Ammeter
6625-00-900-3744310352 SUCCESSOR
Ammeter
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5310-00-067-567430157 INTERCHANGEABLE
Washer,flat
Kidde-Fenwal, Llc
5365-00-167-9092 INTERCHANGEABLE
Shim
5950-00-229-60669-295-4 INTERCHANGEABLE
Coil,electrical
Eaton Corp Opns & Technical Center
2990-00-364-825681612S4105-891016PC167 INTERCHANGEABLE
Fulcrum,governor
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
301-57 Metermaster Inc Metermod Div (USA)
301-57 Solartron Electronics Inc Weston Instruments Div (USA)
1418 PRIMARY Jewell Instruments Llc (USA)
876289 L3 Aviation Products, Inc. Dba L3 Technologies (USA)
232-73 Jewell Instruments Llc (USA)
301-57 Custom Metering Company Inc (USA)
Related Parts
SUCCESSOR 6625-00-538-9769 Ammeter
6625-00-668-7813SUCCESSOR
AMMETER
6625-00-067-6000SUCCESSOR
VOLTMETER
301-1603039
6625-00-103-2559SUCCESSOR
VOLTMETER
6625-00-172-7348SUCCESSOR
AMMETER
711549-04
6625-00-900-3744SUCCESSOR
AMMETER
310352
5310-00-067-5674INTERCHANGEABLE
WASHER,FLAT
30157
5365-00-167-9092INTERCHANGEABLE
SHIM
5950-00-229-6066INTERCHANGEABLE
COIL,ELECTRICAL
9-295-4
2990-00-364-8256INTERCHANGEABLE
FULCRUM,GOVERNOR
81612S4105-891016PC167
6145-00-444-3854INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
8627
5330-00-500-2982INTERCHANGEABLE
PACKING,PREFORMED
23273

Frequently Asked Questions

What is NSN 6625-00-405-5020?

NSN 6625-00-405-5020 is a Voltmeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-405-5020?

NSN 6625-00-405-5020 has 6 cross-referenced part numbers: 301-57 (Metermaster Inc Metermod Div), 301-57 (Solartron Electronics Inc Weston Instruments Div), 1418 (Jewell Instruments Llc), 876289 (L3 Aviation Products, Inc. Dba L3 Technologies), 232-73 (Jewell Instruments Llc) and 1 more.

What NSN replaces 6625-00-405-5020?

There are 12 known substitutes for 6625-00-405-5020: 6625-00-668-7813, 6625-00-067-6000, 6625-00-103-2559 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1418?

Key specifications for 1418: Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Meter Depth Behind Mounting Flange: 1.660 INCHES NOMINAL IN; Furnished Items and Quantity: NUT 4; WASHER 2. 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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