PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

290-1278P1Electron Tube

Raytheon Company Div Corp · NSN 5960-00-503-0254 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-00-503-0254 — this item is cataloged by the U.S. Government under National Stock Number 5960-00-503-0254. Primary manufacturer part number: 290-1278P1.
Features
  • Electron Tube — FSC 5960
  • Tube Type: DIODE
  • Envelope Medium Type: VACUUM
  • 4 verified cross-references
  • Primary manufacturer: Raytheon Company Div Corp
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
General Description

The Electron Tube, cataloged under National Stock Number 5960-00-503-0254, 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 Raytheon Company Div Corp. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5960-00-503-0254
Primary Part Number290-1278P1
Item NameElectron Tube
FSC / FSG5960 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Corp
StatusCANCELLED
Tube TypeDIODE
Envelope Medium TypeVACUUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5945-00-257-774126203-2 INTERCHANGEABLE
Relay,electromagnetic
Raytheon Company Dba Raytheon
4730-00-270-3886 INTERCHANGEABLE
Nut,slip Joint
3110-00-293-93020042980-3 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5999-00-552-4389103 INTERCHANGEABLE
Clip,electrical
Zierick Mfg Corp
3110-00-554-3238 INTERCHANGEABLE
Bearing,ball,annular
5120-00-595-9570 INTERCHANGEABLE
Step Plate,mechanical Puller
5950-00-688-60299155439 INTERCHANGEABLE
Transformer,power Autotransforme
Us Army Aviation and Missile Command
5330-00-737-50286303 INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5950-00-739-78352006594 INTERCHANGEABLE
Transformer,power Autotransforme
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5960-00-804-09546303 INTERCHANGEABLE
Electron Tube
Richardson Electronics, Ltd.
Cross-Reference Index
Part NumberManufacturer
290-1278P1 Raytheon Company Div Corp (USA)
X80 United Electronics Co (USA)
6303 Electronic Industries Association
X80 U S Electronics Co (USA)
Related Parts
5945-00-257-7741INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
26203-2
4730-00-270-3886INTERCHANGEABLE
NUT,SLIP JOINT
3110-00-293-9302INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042980-3
5999-00-552-4389INTERCHANGEABLE
CLIP,ELECTRICAL
103
3110-00-554-3238INTERCHANGEABLE
BEARING,BALL,ANNULAR
5120-00-595-9570INTERCHANGEABLE
STEP PLATE,MECHANICAL PULLER
5950-00-688-6029INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
9155439
5330-00-737-5028INTERCHANGEABLE
SEAL,PLAIN ENCASED
6303
5950-00-739-7835INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
2006594
5960-00-804-0954INTERCHANGEABLE
ELECTRON TUBE
6303
5962-01-052-6181INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNJ54S00J
6130-01-080-5491INTERCHANGEABLE
POWER SUPPLY

Frequently Asked Questions

What is NSN 5960-00-503-0254?

NSN 5960-00-503-0254 is a Electron Tube, manufactured by Raytheon Company Div Corp, classified under FSC 5960 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5960-00-503-0254?

NSN 5960-00-503-0254 has 4 cross-referenced part numbers: 290-1278P1 (Raytheon Company Div Corp), X80 (United Electronics Co), 6303 (Electronic Industries Association), X80 (U S Electronics Co).

What NSN replaces 5960-00-503-0254?

There are 12 known substitutes for 5960-00-503-0254: 5945-00-257-7741, 4730-00-270-3886, 3110-00-293-9302 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 290-1278P1?

Key specifications for 290-1278P1: Special Features: MFTR. CLASSIFICATION:HALF-WAVE RECTIFIER-SHUNT; ENVELOPE MATERIAL:GLASS; Tube Type: DIODE; Envelope Medium Type: VACUUM. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5960-00-503-0254 still in active supply?

NSN 5960-00-503-0254 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.
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