PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9157658Transistor

Us Army Aviation and Missile Command · NSN 5961-00-054-7585 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-054-7585 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-054-7585. Primary manufacturer part number: 9157658.
Features
  • Transistor — FSC 5961
  • Mounting Method: THREADED STUD(S)
  • Power Rating Per Characteristic: 150.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Overall Diameter: 1.250 INCHES MAXIMUM IN
  • Voltage Rating in Volts Per Characteristic: -40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -20.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Nominal Thread Size: 0.190 INCHES IN
  • Thread Series Designator: UNF
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-054-7585, 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 Us Army Aviation and Missile Command. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-054-7585
Primary Part Number9157658
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Mounting MethodTHREADED STUD(S)
Power Rating Per Characteristic150.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Type and Quantity3 TAB, SOLDER LUG
Overall Diameter1.250 INCHES MAXIMUM IN
Voltage Rating in Volts Per Characteristic-40.0 MAXIMUM COLLECTOR TO BASE VOLTAGE, DC AND -20.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Nominal Thread Size0.190 INCHES IN
Thread Series DesignatorUNF
Semiconductor MaterialGERMANIUM
Features ProvidedHERMETICALLY SEALED CASE
Mounting Facility Quantity1
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5961-00-044-5749 INTERCHANGEABLE
Transistor
5961-00-686-7133 INTERCHANGEABLE
Transistor
5961-00-968-749910049903-4 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
9157658 Freescale Semiconductor, Inc. (USA)
9157658 General Motors Corp Delco Electronics Div (USA)
2N277 British Sarozal Ltd (GBR)
2N277 General Motors Corp Delco Electronics Div (USA)
2N277 Freescale Semiconductor, Inc. (USA)
9157658 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5961-00-044-5749INTERCHANGEABLE
TRANSISTOR
5961-00-686-7133INTERCHANGEABLE
TRANSISTOR
5961-00-968-7499INTERCHANGEABLE
TRANSISTOR
10049903-4

Frequently Asked Questions

What is NSN 5961-00-054-7585?

NSN 5961-00-054-7585 is a Transistor, manufactured by Us Army Aviation and Missile Command, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-054-7585?

NSN 5961-00-054-7585 has 6 cross-referenced part numbers: 9157658 (Freescale Semiconductor, Inc.), 9157658 (General Motors Corp Delco Electronics Div), 2N277 (British Sarozal Ltd), 2N277 (General Motors Corp Delco Electronics Div), 2N277 (Freescale Semiconductor, Inc.) and 1 more.

What NSN replaces 5961-00-054-7585?

There are 3 known substitutes for 5961-00-054-7585: 5961-00-044-5749, 5961-00-686-7133, 5961-00-968-7499. Verify interchangeability with system specifications before substitution.

What are the specifications of 9157658?

Key specifications for 9157658: Mounting Method: THREADED STUD(S); Special Features: JUNCTION PATTERN ARRANGEMENT: PNP; Power Rating Per Characteristic: 150.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Terminal Type and Quantity: 3 TAB, SOLDER LUG. 15 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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