PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5948BElectron Tube

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5960-01-446-1266 · FSC 5960 · No Item Name Available
Verified by PartsTable
NSN 5960-01-446-1266 — this item is cataloged by the U.S. Government under National Stock Number 5960-01-446-1266. Primary manufacturer part number: 5948B.
Features
  • Electron Tube — FSC 5960
  • Test Data Document: 81349-MIL-PRF-1 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Envelope Medium Type: VACUUM
  • Tube Type: NUCLEAR RADIATION DETECTOR
  • Identifying Number: 5948B SPECIFICATION NO.
  • 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 5960-01-446-1266, 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 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5960-01-446-1266
Primary Part Number5948B
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
StatusACTIVE
Test Data Document81349-MIL-PRF-1 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Envelope Medium TypeVACUUM
Tube TypeNUCLEAR RADIATION DETECTOR
Identifying Number5948B SPECIFICATION NO.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5960-00-752-5384 INTERCHANGEABLE
Electron Tube
5960-01-397-6171 INTERCHANGEABLE
Electron Tube
Cross-Reference Index
Part NumberManufacturer
5948B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-1/1099 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5960-00-752-5384INTERCHANGEABLE
ELECTRON TUBE
5960-01-397-6171INTERCHANGEABLE
ELECTRON TUBE

Frequently Asked Questions

What is NSN 5960-01-446-1266?

NSN 5960-01-446-1266 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: active.

What are the part numbers for NSN 5960-01-446-1266?

NSN 5960-01-446-1266 has 2 cross-referenced part numbers: 5948B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-1/1099 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5960-01-446-1266?

There are 2 known substitutes for 5960-01-446-1266: 5960-00-752-5384, 5960-01-397-6171. Verify interchangeability with system specifications before substitution.

What are the specifications of 5948B?

Key specifications for 5948B: Test Data Document: 81349-MIL-PRF-1 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Envelope Medium Type: VACUUM; Tube Type: NUCLEAR RADIATION DETECTOR; Special Features: THYRATRON P/N 5948B, CERAMIC ENVELOPE, IS INTERCHANGEABLE WITH P/N 5948A, GLASS ENVELOPE, UNDER NSN 5960-00-752-5384 A. 5 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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