PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18543Voltmeter

Eaton Corp Electronic Instrumentation Div Los Angeles Plant · NSN 6625-00-444-0066 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-444-0066 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-444-0066. Primary manufacturer part number: 18543.
Features
  • Voltmeter — FSC 6625
  • Mounting Stud Length: 0.375 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Installation Design: PANEL
  • Meter Body Diameter Behind Mounting Flange: 1.510 INCHES NOMINAL IN
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Style Designator: RECTANGULAR FLUSH MTG
  • Special Markings: RED BAND FROM 12 TO 14 V,BLUE BAND FROM 16.8 TO 17 V V
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-444-0066, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Eaton Corp Electronic Instrumentation Div Los Angeles Plant. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN6625-00-444-0066
Primary Part Number18543
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEaton Corp Electronic Instrumentation Div Los Angeles Plant
StatusACTIVE
Mounting Stud Length0.375 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Meter Body Diameter Behind Mounting Flange1.510 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Style DesignatorRECTANGULAR FLUSH MTG
Special MarkingsRED BAND FROM 12 TO 14 V,BLUE BAND FROM 16.8 TO 17 V V
Meter Depth Behind Mounting Flange1.000 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Circuit Attachment Method and Quantity2 SOLDERLESS LUG
Center to Center Distance Between Mounting Facilities Parallel to Width1.312 INCHES NOMINAL IN
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+12.0 TO 17.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Circuit Current for Which DesignedDC
ColorUNABLE TO DECODE
Center to Center Distance Between Mounting Facilities Parallel to Length1.312 INCHES NOMINAL IN
Mounting Stud Length0.375 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Meter Body Diameter Behind Mounting Flange1.510 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Style DesignatorRECTANGULAR FLUSH MTG
Special MarkingsRED BAND FROM 12 TO 14 V,BLUE BAND FROM 16.8 TO 17 V V
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6145-00-850-9465
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Verified Substitutes 8
Wire,electrical
5330-00-377-27421F9080 INTERCHANGEABLE
Gasket
Caterpillar Inc Div Caterpillar Defense
5315-00-430-949818543 INTERCHANGEABLE
Key,machine
Komatsu America Corporation
5330-00-763-64373876192 INTERCHANGEABLE
Seal,plain Encased
General Motors Llc Dba General Motors Llc
3805-00-785-05903718543 INTERCHANGEABLE
Cutting Edge,moldboard
Sicard a Division of Smi-Snowblast Inc Dba Sicard
6240-01-459-212818543 INTERCHANGEABLE
Lamp,metal Halide
Venture Lighting International, Inc. Dba Venture Lighting Intl
4130-01-459-2342800-48TP050V INTERCHANGEABLE
Vacu-Disc
Dcm Clean Air Products, Inc.
6640-01-587-295522-362566PG INTERCHANGEABLE
Tube,capillary,micro Hematocrit
Fisher Scientific Company L.l.c.
Cross-Reference Index
Part NumberManufacturer
18543 Eaton Corp Electronic Instrumentation Div Los Angeles Plant (USA)
Related Parts
SUCCESSOR 6145-00-850-9465 Wire,electrical
5330-00-377-2742INTERCHANGEABLE
GASKET
1F9080
5315-00-430-9498INTERCHANGEABLE
KEY,MACHINE
18543
5330-00-763-6437INTERCHANGEABLE
SEAL,PLAIN ENCASED
3876192
3805-00-785-0590INTERCHANGEABLE
CUTTING EDGE,MOLDBOARD
3718543
6240-01-459-2128INTERCHANGEABLE
LAMP,METAL HALIDE
18543
4130-01-459-2342INTERCHANGEABLE
VACU-DISC
800-48TP050V
6640-01-587-2955INTERCHANGEABLE
TUBE,CAPILLARY,MICRO HEMATOCRIT
22-362566PG

Frequently Asked Questions

What is NSN 6625-00-444-0066?

NSN 6625-00-444-0066 is a Voltmeter, manufactured by Eaton Corp Electronic Instrumentation Div Los Angeles Plant, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-444-0066?

NSN 6625-00-444-0066 has 1 cross-referenced part number: 18543 (Eaton Corp Electronic Instrumentation Div Los Angeles Plant).

What NSN replaces 6625-00-444-0066?

There are 8 known substitutes for 6625-00-444-0066: 6145-00-850-9465, 5330-00-377-2742, 5315-00-430-9498 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18543?

Key specifications for 18543: Mounting Stud Length: 0.375 INCHES NOMINAL IN; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Installation Design: PANEL; Meter Body Diameter Behind Mounting Flange: 1.510 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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