PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20158Transistor

Smiths Aerospace, Inc., Electronic Systems-Grand Rapids · NSN 5961-01-098-7332 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-098-7332 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-098-7332. Primary manufacturer part number: 20158.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Semiconductor Material: SILICON
  • Terminal Circle Diameter: 0.100 INCHES NOMINAL IN
  • Internal Configuration: JUNCTION CONTACT
  • Overall Diameter: 0.195 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-098-7332, 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 Smiths Aerospace, Inc., Electronic Systems-Grand Rapids. Government technical data includes 8 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-098-7332
Primary Part Number20158
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSmiths Aerospace, Inc., Electronic Systems-Grand Rapids
StatusACTIVE
Mounting MethodTERMINAL
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Length0.500 INCHES MINIMUM IN
Semiconductor MaterialSILICON
Terminal Circle Diameter0.100 INCHES NOMINAL IN
Internal ConfigurationJUNCTION CONTACT
Overall Diameter0.195 INCHES MAXIMUM IN
Features ProvidedHERMETICALLY SEALED CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1660-00-013-129820158 INTERCHANGEABLE
Post
Hamilton Sundstrand Corporation Dba Collins Aerospace
5133-00-228-1400 INTERCHANGEABLE
Drill,twist
5133-00-266-9466 INTERCHANGEABLE
Drill,twist
6130-00-450-7274209-075-289-1 INTERCHANGEABLE
Inverter,power,static
Bell Textron Inc
5307-00-639-4225 INTERCHANGEABLE
Stud,plain
4820-01-043-9707 INTERCHANGEABLE
Valve,regulating,fluid Pressure
6150-01-131-4856 INTERCHANGEABLE
Housing,electrical Rotating Equi
6625-01-150-810220158 INTERCHANGEABLE
Ammeter
Hamilton Sundstrand Corporation
5310-01-469-7223A10025.011.107 INTERCHANGEABLE
Nut,plain,hexagon
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5310-01-469-7225A10025.002.107 INTERCHANGEABLE
Nut,plain,hexagon
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
Cross-Reference Index
Part NumberManufacturer
20158A Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
20158 PRIMARY Smiths Aerospace, Inc., Electronic Systems-Grand Rapids (USA)
Related Parts
1660-00-013-1298INTERCHANGEABLE
POST
20158
5133-00-228-1400INTERCHANGEABLE
DRILL,TWIST
5133-00-266-9466INTERCHANGEABLE
DRILL,TWIST
6130-00-450-7274INTERCHANGEABLE
INVERTER,POWER,STATIC
209-075-289-1
5307-00-639-4225INTERCHANGEABLE
STUD,PLAIN
4820-01-043-9707INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
6150-01-131-4856INTERCHANGEABLE
HOUSING,ELECTRICAL ROTATING EQUI
6625-01-150-8102INTERCHANGEABLE
AMMETER
20158
5310-01-469-7223INTERCHANGEABLE
NUT,PLAIN,HEXAGON
A10025.011.107
5310-01-469-7225INTERCHANGEABLE
NUT,PLAIN,HEXAGON
A10025.002.107
5305-01-470-0424INTERCHANGEABLE
SCREW,CLOSE TOLERANCE
A11231.003.334
5307-01-470-0439INTERCHANGEABLE
STUD,PLAIN
A10073.002.111

Frequently Asked Questions

What is NSN 5961-01-098-7332?

NSN 5961-01-098-7332 is a Transistor, manufactured by Smiths Aerospace, Inc., Electronic Systems-Grand Rapids, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-098-7332?

NSN 5961-01-098-7332 has 2 cross-referenced part numbers: 20158A (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids), 20158 (Smiths Aerospace, Inc., Electronic Systems-Grand Rapids).

What NSN replaces 5961-01-098-7332?

There are 12 known substitutes for 5961-01-098-7332: 1660-00-013-1298, 5133-00-228-1400, 5133-00-266-9466 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20158?

Key specifications for 20158: Mounting Method: TERMINAL; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD; Terminal Length: 0.500 INCHES MINIMUM IN; Semiconductor Material: SILICON. 9 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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