PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DMS 78019BTransistor

Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) · NSN 5961-00-173-4258 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-173-4258 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-173-4258. Primary manufacturer part number: DMS 78019B.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.370 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: 25.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 25.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER
  • Features Provided: HERMETICALLY SEALED CASE
  • Mounting Method: TERMINAL
  • Power Rating Per Characteristic: 150.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Semiconductor Material: GERMANIUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-173-4258, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-173-4258
Primary Part NumberDMS 78019B
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
StatusACTIVE
Overall Diameter0.370 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic25.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 25.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER
Features ProvidedHERMETICALLY SEALED CASE
Mounting MethodTERMINAL
Power Rating Per Characteristic150.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Semiconductor MaterialGERMANIUM
Terminal Length1.500 INCHES MINIMUM IN
Internal ConfigurationJUNCTION CONTACT
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Current Rating Per Characteristic300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5961-00-059-4723 INTERCHANGEABLE
Transistor
5961-00-092-0518472-0545-008 INTERCHANGEABLE
Transistor
The Boeing Company Div Legacy Boeing Hb1
5961-00-152-8003 INTERCHANGEABLE
Transistor
5961-00-152-8005 INTERCHANGEABLE
Transistor
5961-00-152-8006 INTERCHANGEABLE
Transistor
5961-00-173-4255 INTERCHANGEABLE
Transistor
5961-00-173-4257 INTERCHANGEABLE
Transistor
5961-00-260-2671SM-B-684315 INTERCHANGEABLE
Transistor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5961-00-849-1582 INTERCHANGEABLE
Transistor
5961-00-852-7067 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
DMS 78019B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
95855-4 Itt Telecom Products Corp Network Systems Div (USA)
Related Parts
5961-00-059-4723INTERCHANGEABLE
TRANSISTOR
5961-00-092-0518INTERCHANGEABLE
TRANSISTOR
472-0545-008
5961-00-152-8003INTERCHANGEABLE
TRANSISTOR
5961-00-152-8005INTERCHANGEABLE
TRANSISTOR
5961-00-152-8006INTERCHANGEABLE
TRANSISTOR
5961-00-173-4255INTERCHANGEABLE
TRANSISTOR
5961-00-173-4257INTERCHANGEABLE
TRANSISTOR
5961-00-260-2671INTERCHANGEABLE
TRANSISTOR
SM-B-684315
5961-00-849-1582INTERCHANGEABLE
TRANSISTOR
5961-00-852-7067INTERCHANGEABLE
TRANSISTOR
5961-00-852-8854INTERCHANGEABLE
TRANSISTOR
5961-00-862-9709INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-173-4258?

NSN 5961-00-173-4258 is a Transistor, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-173-4258?

NSN 5961-00-173-4258 has 2 cross-referenced part numbers: DMS 78019B (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 95855-4 (Itt Telecom Products Corp Network Systems Div).

What NSN replaces 5961-00-173-4258?

There are 12 known substitutes for 5961-00-173-4258: 5961-00-059-4723, 5961-00-092-0518, 5961-00-152-8003 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DMS 78019B?

Key specifications for DMS 78019B: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Overall Diameter: 0.370 INCHES MAXIMUM IN; Voltage Rating in Volts Per Characteristic: 25.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 25.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE, DC WITH SPECIFIED CIRCUIT BETWEEN BASE AND EMITTER; Features Provided: HERMETICALLY SEALED CASE. 13 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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