PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6278Electron Tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5960-00-821-6690 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-821-6690 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-821-6690. Primary manufacturer part number: 6278.
Features
  • Electron Tube — FSC 5960
  • Nondefinitive Spec/std Data: 6278 TYPE
  • Tube Type: THYRATRON
  • 2 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Electron Tube, cataloged under National Stock Number 5960-00-821-6690, is classified within Federal Supply Class 5960 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5960-00-821-6690
Primary Part Number6278
Item NameElectron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Nondefinitive Spec/std Data6278 TYPE
Tube TypeTHYRATRON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3110-00-100-057836300 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
4930-00-141-825812Z8012-1 INTERCHANGEABLE
Adapter,grease Gun Coupling
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4510-00-287-1580 INTERCHANGEABLE
Drain,lavatory
5930-00-334-8925 INTERCHANGEABLE
Switch,rotary
4030-00-794-1724 INTERCHANGEABLE
Guy Clip
5120-01-082-64476278 INTERCHANGEABLE
Inserter and Remover,bearing and
Wright Tool Company, Llc
6625-01-109-95276278 INTERCHANGEABLE
Control,current
Safetran Systems Co Sub of Cci Corp
5930-01-582-03166278 INTERCHANGEABLE
Switch,electronic
Electro Standards Laboratory, Inc.
Cross-Reference Index
Part NumberManufacturer
6278 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-E-1/818 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3110-00-100-0578INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
36300
4930-00-141-8258INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
12Z8012-1
4510-00-287-1580INTERCHANGEABLE
DRAIN,LAVATORY
5930-00-334-8925INTERCHANGEABLE
SWITCH,ROTARY
4030-00-794-1724INTERCHANGEABLE
GUY CLIP
5120-01-082-6447INTERCHANGEABLE
INSERTER AND REMOVER,BEARING AND
6278
6625-01-109-9527INTERCHANGEABLE
CONTROL,CURRENT
6278
5930-01-582-0316INTERCHANGEABLE
SWITCH,ELECTRONIC
6278

Frequently Asked Questions

What is NSN 5960-00-821-6690?

NSN 5960-00-821-6690 is a Electron Tube, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5960 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5960-00-821-6690?

NSN 5960-00-821-6690 has 2 cross-referenced part numbers: 6278 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-E-1/818 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5960-00-821-6690?

There are 8 known substitutes for 5960-00-821-6690: 3110-00-100-0578, 4930-00-141-8258, 4510-00-287-1580 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6278?

Key specifications for 6278: Nondefinitive Spec/std Data: 6278 TYPE; Tube Type: THYRATRON. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5960-00-821-6690 still in active supply?

NSN 5960-00-821-6690 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com