PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

86-503-2Voltmeter

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 6625-00-679-2407 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-679-2407 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-679-2407. Primary manufacturer part number: 86-503-2.
Features
  • Voltmeter — FSC 6625
  • Overall Diameter: 1.688 INCHES NOMINAL IN
  • Surface Treatment: ANODIZE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Sensitivity Rating: 1000.0 OHMS PER VOLT
  • Features Provided: ZERO ADJUSTER
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Material: ALUMINUM
Applications
  • Applications requiring Aluminum construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-679-2407, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 29 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-679-2407
Primary Part Number86-503-2
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Overall Diameter1.688 INCHES NOMINAL IN
Surface TreatmentANODIZE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating1000.0 OHMS PER VOLT
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity2 THREADED STUD
MaterialALUMINUM
Style DesignatorROUND FLUSH MTG
Installation DesignPANEL
Furnished Items and QuantityTHREADED MTG RING 1
Special Markings30V TO BE MARKED ON CENTER OF SCALE V
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Current for Which DesignedDC
Meter Body Diameter Behind Mounting Flange1.500 INCHES NOMINAL IN
Scale Division Quantity25 SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.312 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Mounting Facility Type and Quantity1 THREADED BODY
ColorUNABLE TO DECODE
Overall Diameter1.688 INCHES NOMINAL IN
Surface TreatmentANODIZE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating1000.0 OHMS PER VOLT
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity2 THREADED STUD
MaterialALUMINUM
Style DesignatorROUND FLUSH MTG
Installation DesignPANEL
Furnished Items and QuantityTHREADED MTG RING 1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 2
5315-00-050-1586 INTERCHANGEABLE
Pin,straight,headed
5935-01-254-8128414-1930-003 INTERCHANGEABLE
Connector,receptacle,electrical
The Boeing Company Div Legacy Boeing Hb1
Cross-Reference Index
Part NumberManufacturer
86-503-2 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
5315-00-050-1586INTERCHANGEABLE
PIN,STRAIGHT,HEADED
5935-01-254-8128INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
414-1930-003

Frequently Asked Questions

What is NSN 6625-00-679-2407?

NSN 6625-00-679-2407 is a Voltmeter, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-679-2407?

NSN 6625-00-679-2407 has 1 cross-referenced part number: 86-503-2 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 6625-00-679-2407?

There are 2 known substitutes for 6625-00-679-2407: 5315-00-050-1586, 5935-01-254-8128. Verify interchangeability with system specifications before substitution.

What are the specifications of 86-503-2?

Key specifications for 86-503-2: Overall Diameter: 1.688 INCHES NOMINAL IN; Surface Treatment: ANODIZE; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Sensitivity Rating: 1000.0 OHMS PER VOLT. 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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