PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-19500/348Transistor

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5961-01-297-0257 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-297-0257 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-297-0257. Primary manufacturer part number: MIL-PRF-19500/348.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Terminal Length: 0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: -50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -50.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN
  • Features Provided: HERMETICALLY SEALED CASE
  • Current Rating Per Characteristic: -1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-297-0257, is classified within Federal Supply Class 5961 (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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN5961-01-297-0257
Primary Part NumberMIL-PRF-19500/348
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Internal ConfigurationJUNCTION CONTACT
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Terminal Length0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic-50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND -50.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN
Features ProvidedHERMETICALLY SEALED CASE
Current Rating Per Characteristic-1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting MethodTERMINAL
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Terminal Circle Diameter0.016 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-104-9900 INTERCHANGEABLE
Transistor
5961-00-368-2605 INTERCHANGEABLE
Transistor
5961-00-407-0245 INTERCHANGEABLE
Transistor
5961-00-731-7174 INTERCHANGEABLE
Transistor
5961-01-123-5397 INTERCHANGEABLE
Transistor
5961-01-155-1572 INTERCHANGEABLE
Transistor
5961-01-235-3280 INTERCHANGEABLE
Transistor
5961-01-343-3641 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-19500/348 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-19500/348 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JANTX2N3468S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5961-00-104-9900INTERCHANGEABLE
TRANSISTOR
5961-00-368-2605INTERCHANGEABLE
TRANSISTOR
5961-00-407-0245INTERCHANGEABLE
TRANSISTOR
5961-00-731-7174INTERCHANGEABLE
TRANSISTOR
5961-01-123-5397INTERCHANGEABLE
TRANSISTOR
5961-01-155-1572INTERCHANGEABLE
TRANSISTOR
5961-01-235-3280INTERCHANGEABLE
TRANSISTOR
5961-01-343-3641INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-01-297-0257?

NSN 5961-01-297-0257 is a Transistor, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-297-0257?

NSN 5961-01-297-0257 has 3 cross-referenced part numbers: MIL-PRF-19500/348 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-19500/348 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), JANTX2N3468S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5961-01-297-0257?

There are 8 known substitutes for 5961-01-297-0257: 5961-00-104-9900, 5961-00-368-2605, 5961-00-407-0245 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-19500/348?

Key specifications for MIL-PRF-19500/348: Internal Configuration: JUNCTION CONTACT; Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Electrode Internally-Electrically Connected to Case: COLLECTOR; Terminal Length: 0.250 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN. 14 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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