PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5258Transistor

Tdk-Lambda Americas Inc. Div High Power Division · NSN 5961-00-950-7346 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-950-7346 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-950-7346. Primary manufacturer part number: 5258.
Features
  • Transistor — FSC 5961
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Internal Configuration: JUNCTION CONTACT
  • Semiconductor Material: SILICON
  • 3 verified cross-references
  • Primary manufacturer: Tdk-Lambda Americas Inc. Div High Power Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-950-7346, 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 Tdk-Lambda Americas Inc. Div High Power Division. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-950-7346
Primary Part Number5258
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerTdk-Lambda Americas Inc. Div High Power Division
StatusACTIVE
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-015-2277DS-934400 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace, Llc Dba Jackson South
6685-00-526-8414 INTERCHANGEABLE
Indicator,humidity,plug
5330-00-538-523925008 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5935-00-755-3447121-0202-001 INTERCHANGEABLE
Connector,receptacle,electrical
Shugart Corp Dba Intl Assembly Specialists
6210-01-145-1488 INTERCHANGEABLE
Light,indicator
5950-01-160-224313153528-2 INTERCHANGEABLE
Coil,radio Frequency
Us Army Aviation and Missile Command
5940-01-621-2324 INTERCHANGEABLE
Terminal Junction Block,sectiona
Cross-Reference Index
Part NumberManufacturer
P3923 Nje Corp (USA)
5258 PRIMARY Tdk-Lambda Americas Inc. Div High Power Division (USA)
P3923 Tdk-Lambda Americas Inc. Div High Power Division (USA)
Related Parts
5360-00-015-2277INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
DS-934400
6685-00-526-8414INTERCHANGEABLE
INDICATOR,HUMIDITY,PLUG
5330-00-538-5239INTERCHANGEABLE
GASKET
25008
5935-00-755-3447INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
121-0202-001
6210-01-145-1488INTERCHANGEABLE
LIGHT,INDICATOR
5950-01-160-2243INTERCHANGEABLE
COIL,RADIO FREQUENCY
13153528-2
5940-01-621-2324INTERCHANGEABLE
TERMINAL JUNCTION BLOCK,SECTIONA

Frequently Asked Questions

What is NSN 5961-00-950-7346?

NSN 5961-00-950-7346 is a Transistor, manufactured by Tdk-Lambda Americas Inc. Div High Power Division, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-950-7346?

NSN 5961-00-950-7346 has 3 cross-referenced part numbers: P3923 (Nje Corp), 5258 (Tdk-Lambda Americas Inc. Div High Power Division), P3923 (Tdk-Lambda Americas Inc. Div High Power Division).

What NSN replaces 5961-00-950-7346?

There are 7 known substitutes for 5961-00-950-7346: 5360-00-015-2277, 6685-00-526-8414, 5330-00-538-5239 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5258?

Key specifications for 5258: Features Provided: HERMETICALLY SEALED CASE; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Internal Configuration: JUNCTION CONTACT; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN. 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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