PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TV7DUTest Set,electron Tube

Forway Industries Inc · NSN 6625-00-820-0064 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-820-0064 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-820-0064. Primary manufacturer part number: TV7DU.
Features
  • Test Set,electron Tube — FSC 6625
  • Furnished Items and Quantity: 3 TUBE SOCKET ADAPTERS,2 PIN STRAIGHTENERS,2 TEST LEADS,2 BOOK INSTRUCTION
  • Operation Method: DYNAMIC MUTUAL CONDUCTANCE
  • Filament Voltage Rating in Volts: +0.600 TO 117.000
  • Installation Design: PORTABLE
  • Case Surface Treatment: ENAMEL
  • Material: ALUMINUM CASE
  • Phase: SINGLE
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Aluminum Case construction
General Description

The Test Set,electron Tube, cataloged under National Stock Number 6625-00-820-0064, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Forway Industries Inc. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-820-0064
Primary Part NumberTV7DU
Item NameTest Set,electron Tube
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerForway Industries Inc
StatusACTIVE
Furnished Items and Quantity3 TUBE SOCKET ADAPTERS,2 PIN STRAIGHTENERS,2 TEST LEADS,2 BOOK INSTRUCTION
Operation MethodDYNAMIC MUTUAL CONDUCTANCE
Filament Voltage Rating in Volts+0.600 TO 117.000
Installation DesignPORTABLE
Case Surface TreatmentENAMEL
MaterialALUMINUM CASE
PhaseSINGLE
Nondefinitive Spec/std DataTV-7D/U TYPE
Scale Unit of Measure InscriptionVOLTS
Furnished Items and Quantity3 TUBE SOCKET ADAPTERS,2 PIN STRAIGHTENERS,2 TEST LEADS,2 BOOK INSTRUCTION
Operation MethodDYNAMIC MUTUAL CONDUCTANCE
Filament Voltage Rating in Volts+0.600 TO 117.000
Installation DesignPORTABLE
Case Surface TreatmentENAMEL
MaterialALUMINUM CASE
PhaseSINGLE
Nondefinitive Spec/std DataTV-7D/U TYPE
Scale Unit of Measure InscriptionVOLTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeG
Unit of IssueEA
SMR CodeYH
Weight19.0000 lbs
Cube1.2669 cu ft
Verified Substitutes 3
6625-00-772-6106TV7PARENU SUCCESSOR
Test Set,electron Tube
Joint Electronics Type Designation System
6625-00-076-1600TV7000 INTERCHANGEABLE
Test Set,electron Tube
Avo Multi-Amp Corp
6625-00-648-8346TV7BU INTERCHANGEABLE
Test Set,electron Tube
Joint Electronics Type Designation System
Cross-Reference Index
Part NumberManufacturer
TV7DU Forway Industries Inc (USA)
1091400B9-1 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
TV7DU Joint Electronics Type Designation System (USA)
TV7DU Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILT12424 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6625-00-772-6106SUCCESSOR
TEST SET,ELECTRON TUBE
TV7PARENU
6625-00-076-1600INTERCHANGEABLE
TEST SET,ELECTRON TUBE
TV7000
6625-00-648-8346INTERCHANGEABLE
TEST SET,ELECTRON TUBE
TV7BU

Frequently Asked Questions

What is NSN 6625-00-820-0064?

NSN 6625-00-820-0064 is a Test Set,electron Tube, manufactured by Forway Industries Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-820-0064?

NSN 6625-00-820-0064 has 5 cross-referenced part numbers: TV7DU (Forway Industries Inc), 1091400B9-1 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), TV7DU (Joint Electronics Type Designation System), TV7DU (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILT12424 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-820-0064?

There are 3 known substitutes for 6625-00-820-0064: 6625-00-772-6106, 6625-00-076-1600, 6625-00-648-8346. Verify interchangeability with system specifications before substitution.

What are the specifications of TV7DU?

Key specifications for TV7DU: Furnished Items and Quantity: 3 TUBE SOCKET ADAPTERS,2 PIN STRAIGHTENERS,2 TEST LEADS,2 BOOK INSTRUCTION; Operation Method: DYNAMIC MUTUAL CONDUCTANCE; Filament Voltage Rating in Volts: +0.600 TO 117.000; Installation Design: PORTABLE. 26 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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