PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A81000Voltmeter

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 6625-01-202-4639 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-202-4639 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-202-4639. Primary manufacturer part number: A81000.
Features
  • Voltmeter — FSC 6625
  • Frequency Rating: 60.0 HERTZ NOMINAL
  • Meter Depth Behind Mounting Flange: 1.600 INCHES MAXIMUM IN
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Installation Design: PANEL
  • Scale Division Quantity: 30 SINGLE INDICATOR SINGLE RANGE
  • Environmental Protection: SHOCK RESISTANT AND VIBRATION RESISTANT
Applications
  • Applications requiring Steel construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-202-4639, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 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
NSN6625-01-202-4639
Primary Part NumberA81000
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Frequency Rating60.0 HERTZ NOMINAL
Meter Depth Behind Mounting Flange1.600 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Overall Diameter2.695 INCHES MAXIMUM IN
ColorUNABLE TO DECODE
Measurement Range+0.0 TO 600.0 VOLTS, AC SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Style DesignatorROUND FLUSH MTG
Power SourceEXTERNAL
Movement Suspension MethodJEWEL PIVOT BASE
FSC Application DataTEST SET,ELECT. EQUIP.
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
MaterialSTEEL
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedAC
Mounting Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Furnished Items and QuantityMTG HARDWARE INCLUDED
Indicator TypeDIAL W/POINTER
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor7035-01-172-0250 (2524)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.7000 lbs
Cube0.0180 cu ft
Verified Substitutes 12
Voltmeter
Voltmeter
6625-00-881-2274128C505H01 SUCCESSOR
Ammeter
Northrop Grumman Support Services Corp
Ammeter
6625-01-005-5132483659-1 SUCCESSOR
Ammeter
Raytheon Company Dba Raytheon Co
7035-01-172-02502524 SUCCESSOR
Decollator,paper Forms
Tab Products Co. Llc Dba Tab Products Co Llc
6145-01-211-6135X234324 SUCCESSOR
Cable,special Purpose,electrical
Ims New Hampshire
6625-01-318-9786136506-1 SUCCESSOR
Ammeter
Lockheed Martin Corp
Breakout Panel
6625-00-009-2397627-710-25 INTERCHANGEABLE
Ammeter
Phaostron Instrument and Electronic Company
Cross-Reference Index
Part NumberManufacturer
2524 Solartron Electronics Inc Weston Instruments Div (USA)
2524 Custom Metering Company Inc (USA)
2524 Metermaster Inc Metermod Div (USA)
266 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
A81000 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
MR26W600ACVVR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
627 Phaostron Instrument and Electronic Company (USA)
Related Parts
SUCCESSOR 7035-01-172-0250 Decollator,paper Forms · 2524
6625-00-106-7522SUCCESSOR
VOLTMETER
6625-00-757-1902SUCCESSOR
VOLTMETER
6625-00-881-2274SUCCESSOR
AMMETER
128C505H01
6625-00-965-1430SUCCESSOR
AMMETER
6625-01-005-5132SUCCESSOR
AMMETER
483659-1
6145-01-211-6135SUCCESSOR
CABLE,SPECIAL PURPOSE,ELECTRICAL
X234324
6625-01-318-9786SUCCESSOR
AMMETER
136506-1
5895-01-548-7740SUCCESSOR
BREAKOUT PANEL
6625-00-009-2397INTERCHANGEABLE
AMMETER
627-710-25
6625-00-009-5513INTERCHANGEABLE
AMMETER
627-15637
6625-00-009-5514INTERCHANGEABLE
VOLTMETER
627-15636

Frequently Asked Questions

What is NSN 6625-01-202-4639?

NSN 6625-01-202-4639 is a Voltmeter, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-202-4639?

NSN 6625-01-202-4639 has 7 cross-referenced part numbers: 2524 (Solartron Electronics Inc Weston Instruments Div), 2524 (Custom Metering Company Inc), 2524 (Metermaster Inc Metermod Div), 266 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), A81000 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)) and 2 more.

What NSN replaces 6625-01-202-4639?

There are 12 known substitutes for 6625-01-202-4639: 6625-00-106-7522, 6625-00-757-1902, 6625-00-881-2274 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A81000?

Key specifications for A81000: Frequency Rating: 60.0 HERTZ NOMINAL; Meter Depth Behind Mounting Flange: 1.600 INCHES MAXIMUM IN; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE. 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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