PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7645Voltmeter

Leeds and Northrup Co a Unit of General Signal Corp · NSN 6625-01-024-0556 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-024-0556 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-024-0556. Primary manufacturer part number: 7645.
Features
  • Voltmeter — FSC 6625
  • Style Designator: RECTANGULAR OR SQUARE
  • Material: ALUMINUM AND PLASTIC VINYL
  • Measurement Range: +0.0 TO 1.6 VOLTS, DC SINGLE INDICATOR FIRST RANGE
  • Features Provided: ZERO ADJUSTER AND ELECTROSTATIC SHIELD
  • Circuit Attachment Method and Quantity: 11 BINDING POST
  • Measurement Range: +0.0 TO 0.2 VOLTS, DC SINGLE INDICATOR SECOND RANGE
  • Style Designator: RECTANGULAR OR SQUARE
Applications
  • Applications requiring Aluminum and Plastic Vinyl construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-024-0556, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Leeds and Northrup Co a Unit of General Signal Corp. Government technical data includes 12 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-024-0556
Primary Part Number7645
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLeeds and Northrup Co a Unit of General Signal Corp
StatusACTIVE
Style DesignatorRECTANGULAR OR SQUARE
MaterialALUMINUM AND PLASTIC VINYL
Measurement Range+0.0 TO 1.6 VOLTS, DC SINGLE INDICATOR FIRST RANGE
Features ProvidedZERO ADJUSTER AND ELECTROSTATIC SHIELD
Circuit Attachment Method and Quantity11 BINDING POST
Measurement Range+0.0 TO 0.2 VOLTS, DC SINGLE INDICATOR SECOND RANGE
Style DesignatorRECTANGULAR OR SQUARE
MaterialALUMINUM AND PLASTIC VINYL
Measurement Range+0.0 TO 1.6 VOLTS, DC SINGLE INDICATOR FIRST RANGE
Features ProvidedZERO ADJUSTER AND ELECTROSTATIC SHIELD
Circuit Attachment Method and Quantity11 BINDING POST
Measurement Range+0.0 TO 0.2 VOLTS, DC SINGLE INDICATOR SECOND RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5120-00-318-5977 INTERCHANGEABLE
Puller,mechanical
5935-00-549-530910701B18 INTERCHANGEABLE
Plug,tip
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5960-00-828-1217 INTERCHANGEABLE
Electron Tube
5120-00-928-4127B-764 INTERCHANGEABLE
Blade,socket Head Screw Key
Bristol, Inc. Dba Remote Automation Solutions Div Remote Automation Solutions
5955-01-129-13027645 INTERCHANGEABLE
Crystal Unit
Power Control Devices, Inc.
4220-01-640-82367-645 INTERCHANGEABLE
Filter,air,diving Apparatus
Andi International
Cross-Reference Index
Part NumberManufacturer
7645 Leeds and Northrup Co a Unit of General Signal Corp (USA)
Related Parts
5120-00-318-5977INTERCHANGEABLE
PULLER,MECHANICAL
5935-00-549-5309INTERCHANGEABLE
PLUG,TIP
10701B18
5960-00-828-1217INTERCHANGEABLE
ELECTRON TUBE
5120-00-928-4127INTERCHANGEABLE
BLADE,SOCKET HEAD SCREW KEY
B-764
5955-01-129-1302INTERCHANGEABLE
CRYSTAL UNIT
7645
4220-01-640-8236INTERCHANGEABLE
FILTER,AIR,DIVING APPARATUS
7-645

Frequently Asked Questions

What is NSN 6625-01-024-0556?

NSN 6625-01-024-0556 is a Voltmeter, manufactured by Leeds and Northrup Co a Unit of General Signal Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-024-0556?

NSN 6625-01-024-0556 has 1 cross-referenced part number: 7645 (Leeds and Northrup Co a Unit of General Signal Corp).

What NSN replaces 6625-01-024-0556?

There are 6 known substitutes for 6625-01-024-0556: 5120-00-318-5977, 5935-00-549-5309, 5960-00-828-1217 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7645?

Key specifications for 7645: Overall Length: 10.750 INCHES NOMINAL IN; Overall Height: 5.000 INCHES NOMINAL IN; Overall Width: 7.500 INCHES NOMINAL IN; Style Designator: RECTANGULAR OR SQUARE. 18 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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