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   Data updated: 24 Feb 2026. Home |  About Quick Search |  ASSIST |  ASSIST Updates Document Details
Document ID:   MIL-PRF-19500       Scroll down to access document images
Spec/Std Sheet:  581

Overview
Title:  Transistor, NPN, Silicon, Amplifier, Types 2N4237, 2N4238, and 2N4239, Quality Levels JAN, JANTX, and JANTXV
Scope:  This specification covers the performance requirements for NPN, silicon, amplifier transistors. Three levels of product assurance (JAN JANTX, and JANTXV) are provided for each device type as specified in MIL-PRF-19500.
Status:  Active Document Date:  21-NOV-2025      
  Next Review Due:  20-NOV-2030
5961 Doc Category:   Performance Specification  
QPL/QML:  QML-19500-31 NOT 1

Responsibilities
Lead Standardization Activity:  CC  DLA Weapons Support (Columbus)  
  Preparing Activity: CC  DLA Weapons Support (Columbus)
Coordination:  Full  
Army Custodian:  CR   US Army Combat Capabilities Development Command, C5ISR Center  
Navy Custodian:  SH   Naval Sea Systems Command (Ship Systems)  
Air Force Custodian:  85   Air Force Life Cycle Management Center - Electronic Components, Wire and Ca  
DLA Custodian:  CC   DLA Weapons Support (Columbus)  
Other Custodian:  NA   National Aeronautics and Space Administration (NASA)  

Projects
 Project Number:     5961-2025-108

Amendments to military specifications or specification sheets issued after August 1, 2003 are incorporated in the modified document.
Revision History Click on column headings for a description of column content.
MediaDocument Part DescriptionDist StmtDocument DatePagesSize
Document ImageRevision D Amendment 2 (all previous amendments incorporated)A21-NOV-202518524.1 KB
Document ImageRevision D Amendment 1 (amendment incorporated)A07-FEB-202518517.2 KB
Document ImageRevision D A11-DEC-201918519.0 KB
Document ImageRevision C Notice 1 - ValidationA11-DEC-201712.0 KB
Document ImageRevision C A21-FEB-201317319.3 KB
Document ImageRevision B Notice 1 - ValidationA14-JUL-201112.0 KB
Document ImageRevision B A10-MAR-200517508.7 KB
Document ImageRevision A Amendment 1 A29-NOV-199913.7 KB
Document ImageRevision A A10-SEP-19991566.3 KB
Document ImageBase Document A23-APR-199018986.1 KB

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