PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

559C20Voltmeter

Cardwell Condenser Corp Lapointe-Admiral Div · NSN 6625-00-756-1354 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-756-1354 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-756-1354. Primary manufacturer part number: 559C20.
Features
  • Voltmeter — FSC 6625
  • Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S)
  • Material: STEEL
  • Special Markings: RED BAND FROM 27.8 TO 30.76
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Color: UNABLE TO DECODE
  • Style Designator: RECTANGULAR FLUSH MTG
  • Supplementary Features: RESPONSE TIME 2 SECONDS MAXIMUM
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-756-1354, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Cardwell Condenser Corp Lapointe-Admiral Div. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-756-1354
Primary Part Number559C20
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerCardwell Condenser Corp Lapointe-Admiral Div
StatusCANCELLED
Mounting Facility Type and Quantity4 SCREW AND 4 UNTHREADED HOLE(S)
MaterialSTEEL
Special MarkingsRED BAND FROM 27.8 TO 30.76
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
Style DesignatorRECTANGULAR FLUSH MTG
Supplementary FeaturesRESPONSE TIME 2 SECONDS MAXIMUM
FSC Application DataTEST SET,ELECT. EQUIP.
Circuit Attachment Method and Quantity2 SOLDER LUG
Scale Division Quantity20 SINGLE INDICATOR SINGLE RANGE
Special Test FeaturesCONFORMS TO MIL-M-10304
Movement TypeMOVING COIL, PERMANENT MAGNET
Furnished Items and QuantityNUTS 4; WASHERS 4
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Installation DesignPANEL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Sensitivity Rating1.0 MILLIAMPERES
Meter Body Diameter Behind Mounting Flange1.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.306 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
Dielectric Withstanding Voltage in Volts1500.0
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Current for Which DesignedDC
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-448-6318 (163)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 5
No Item Name Available
6625-00-448-6318163 SUCCESSOR
Generator,pulse
Tektronix, Inc.
6625-00-897-8362412915-1 SUCCESSOR
Ammeter
Raytheon Company Dba Raytheon
6625-00-915-1643337577REVA SUCCESSOR
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
6625-00-998-62112043114P1 SUCCESSOR
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
163 General Resistance Inc Sub of Prime Technology Inc (USA)
559C20 PRIMARY Cardwell Condenser Corp Lapointe-Admiral Div (USA)
163 Prime Technology Llc (USA)
559C20 Maycor Appliance Parts and Service Co Div of Maytag Corp (USA)
Related Parts
SUCCESSOR 6625-00-448-6318 Generator,pulse · 163
6625-00-882-0023SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-897-8362SUCCESSOR
AMMETER
412915-1
6625-00-915-1643SUCCESSOR
AMMETER
337577REVA
6625-00-998-6211SUCCESSOR
VOLTMETER
2043114P1

Frequently Asked Questions

What is NSN 6625-00-756-1354?

NSN 6625-00-756-1354 is a Voltmeter, manufactured by Cardwell Condenser Corp Lapointe-Admiral Div, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-756-1354?

NSN 6625-00-756-1354 has 4 cross-referenced part numbers: 163 (General Resistance Inc Sub of Prime Technology Inc), 559C20 (Cardwell Condenser Corp Lapointe-Admiral Div), 163 (Prime Technology Llc), 559C20 (Maycor Appliance Parts and Service Co Div of Maytag Corp).

What NSN replaces 6625-00-756-1354?

There are 5 known substitutes for 6625-00-756-1354: 6625-00-882-0023, 6625-00-448-6318, 6625-00-897-8362 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 559C20?

Key specifications for 559C20: Mounting Facility Type and Quantity: 4 SCREW AND 4 UNTHREADED HOLE(S); Material: STEEL; Special Markings: RED BAND FROM 27.8 TO 30.76; Nuclear Hardness Critical Feature: NONHARDENED. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-756-1354 still in active supply?

NSN 6625-00-756-1354 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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