PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

405-9388Voltmeter

Nimikkeistokeskus Ncb Finland · NSN 6625-01-389-3705 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-389-3705 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-389-3705. Primary manufacturer part number: 405-9388.
Features
  • Voltmeter — FSC 6625
  • Indicator Type: DIAL W/POINTER
  • Style Designator: RECTANGULAR OR SQUARE
  • Operating Voltage Rating in Volts: 120.0 AC NOMINAL
  • Functional Description: DB RANGE -72 TO +52DBM;FREQUENCY RANGE 10HZ TO 20MHZ; PLOTS OF MEASUREDDATA AND HIGHER RESOLUTION MEASUREMENTS CAN BE PRODUCED BY CONNECTING A DIGITAL MULTIMETER TO THE REAR DC OUTPUT THAT PRODUCES A LINEAR 0 TO 1 VOLT OUTPUT PROPORTIONAL TO THE METER DEFLECTION MHz
  • Features Provided: ADAPTER AND PORTABLE
  • Measurement Range: +0.0 TO 300.0 VOLTS, ROOT MEAN SQUARE SINGLE INDICATOR ALL RANGES
  • Installation Design: BENCH
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Voltmeter, cataloged under National Stock Number 6625-01-389-3705, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Nimikkeistokeskus Ncb Finland. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-389-3705
Primary Part Number405-9388
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNimikkeistokeskus Ncb Finland
StatusACTIVE
Indicator TypeDIAL W/POINTER
Style DesignatorRECTANGULAR OR SQUARE
Operating Voltage Rating in Volts120.0 AC NOMINAL
Functional DescriptionDB RANGE -72 TO +52DBM;FREQUENCY RANGE 10HZ TO 20MHZ; PLOTS OF MEASUREDDATA AND HIGHER RESOLUTION MEASUREMENTS CAN BE PRODUCED BY CONNECTING A DIGITAL MULTIMETER TO THE REAR DC OUTPUT THAT PRODUCES A LINEAR 0 TO 1 VOLT OUTPUT PROPORTIONAL TO THE METER DEFLECTION MHz
Features ProvidedADAPTER AND PORTABLE
Measurement Range+0.0 TO 300.0 VOLTS, ROOT MEAN SQUARE SINGLE INDICATOR ALL RANGES
Installation DesignBENCH
Circuit Current for Which DesignedAC
Circuit Attachment Method and Quantity1 CONNECTOR, RECEPTACLE
PhaseSINGLE
Frequency Rating60.0 HERTZ NOMINAL
Indicator TypeDIAL W/POINTER
Style DesignatorRECTANGULAR OR SQUARE
Operating Voltage Rating in Volts120.0 AC NOMINAL
Functional DescriptionDB RANGE -72 TO +52DBM;FREQUENCY RANGE 10HZ TO 20MHZ; PLOTS OF MEASUREDDATA AND HIGHER RESOLUTION MEASUREMENTS CAN BE PRODUCED BY CONNECTING A DIGITAL MULTIMETER TO THE REAR DC OUTPUT THAT PRODUCES A LINEAR 0 TO 1 VOLT OUTPUT PROPORTIONAL TO THE METER DEFLECTION MHz
Features ProvidedADAPTER AND PORTABLE
Measurement Range+0.0 TO 300.0 VOLTS, ROOT MEAN SQUARE SINGLE INDICATOR ALL RANGES
Installation DesignBENCH
Circuit Current for Which DesignedAC
Circuit Attachment Method and Quantity1 CONNECTOR, RECEPTACLE
PhaseSINGLE
Frequency Rating60.0 HERTZ NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeVS
Verified Substitutes 1
5962-00-145-98313400B INTERCHANGEABLE
Microcircuit,linear
Burr-Brown Corp
Cross-Reference Index
Part NumberManufacturer
405-9388 Nimikkeistokeskus Ncb Finland (FIN)
HP3400B Hewlett-Packard Company Dba HP (USA)
3400B Keysight Technologies, Inc. (USA)
3400B Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
3400B Hewlett-Packard Company Dba HP (USA)
999901600007 Thales Nederland (NLD)
3400B Keysight Technologies Inc (USA)
Related Parts
5962-00-145-9831INTERCHANGEABLE
MICROCIRCUIT,LINEAR
3400B

Frequently Asked Questions

What is NSN 6625-01-389-3705?

NSN 6625-01-389-3705 is a Voltmeter, manufactured by Nimikkeistokeskus Ncb Finland, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-389-3705?

NSN 6625-01-389-3705 has 7 cross-referenced part numbers: 405-9388 (Nimikkeistokeskus Ncb Finland), HP3400B (Hewlett-Packard Company Dba HP), 3400B (Keysight Technologies, Inc.), 3400B (Agilent Technologies, Inc. Div Agilent Technologies Headquarters), 3400B (Hewlett-Packard Company Dba HP) and 2 more.

What NSN replaces 6625-01-389-3705?

There is 1 known substitute for 6625-01-389-3705: 5962-00-145-9831. Verify interchangeability with system specifications before substitution.

What are the specifications of 405-9388?

Key specifications for 405-9388: Indicator Type: DIAL W/POINTER; Overall Length: 11.000 INCHES NOMINAL IN; Style Designator: RECTANGULAR OR SQUARE; Operating Voltage Rating in Volts: 120.0 AC NOMINAL. 28 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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