PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123RTest Set,electron Tube

Hickok Waekon Llc · NSN 6625-00-318-5551 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-318-5551 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-318-5551. Primary manufacturer part number: 123R.
Features
  • Test Set,electron Tube — FSC 6625
  • AC Voltage Rating: 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
  • Scale Unit of Measure Inscription: VOLTS
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
  • Operation Method: CONDUCTANCE
  • Installation Design: PORTABLE
  • Filament Voltage Rating in Volts: +0.100 TO 119.900
  • AC Voltage Rating: 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Test Set,electron Tube, cataloged under National Stock Number 6625-00-318-5551, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hickok Waekon Llc. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-318-5551
Primary Part Number123R
Item NameTest Set,electron Tube
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHickok Waekon Llc
StatusACTIVE
AC Voltage Rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
Scale Unit of Measure InscriptionVOLTS
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Operation MethodCONDUCTANCE
Installation DesignPORTABLE
Filament Voltage Rating in Volts+0.100 TO 119.900
AC Voltage Rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
Scale Unit of Measure InscriptionVOLTS
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Operation MethodCONDUCTANCE
Installation DesignPORTABLE
Filament Voltage Rating in Volts+0.100 TO 119.900
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeU
Unit of IssueEA
SMR CodeLF
Verified Substitutes 2
6220-00-299-5647504451 INTERCHANGEABLE
Light,marker,clearance
U S Army Tank Automotive Command Amsta-Im-Mm
4730-01-189-1784 INTERCHANGEABLE
Strainer Element,sediment
Cross-Reference Index
Part NumberManufacturer
123R PRIMARY Hickok Waekon Llc (USA)
Related Parts
6220-00-299-5647INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
504451
4730-01-189-1784INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT

Frequently Asked Questions

What is NSN 6625-00-318-5551?

NSN 6625-00-318-5551 is a Test Set,electron Tube, manufactured by Hickok Waekon Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-318-5551?

NSN 6625-00-318-5551 has 1 cross-referenced part number: 123R (Hickok Waekon Llc).

What NSN replaces 6625-00-318-5551?

There are 2 known substitutes for 6625-00-318-5551: 6220-00-299-5647, 4730-01-189-1784. Verify interchangeability with system specifications before substitution.

What are the specifications of 123R?

Key specifications for 123R: AC Voltage Rating: 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM; Scale Unit of Measure Inscription: VOLTS; Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM; Operation Method: CONDUCTANCE. 12 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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