PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1854-0291Transistor

Keysight Technologies Inc · NSN 5961-00-110-5141 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-110-5141 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-110-5141. Primary manufacturer part number: 1854-0291.
Features
  • Transistor — FSC 5961
  • Mounting Facility Quantity: 22
  • Voltage Rating in Volts Per Characteristic: -50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN-50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
  • Features Provided: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
  • Mounting Method: TERMINALTERMINAL
  • Overall Diameter: 0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN
  • Current Rating Per Characteristic: 3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Semiconductor Material: SILICONSILICON
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-110-5141, 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 Keysight Technologies Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-110-5141
Primary Part Number1854-0291
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Mounting Facility Quantity22
Voltage Rating in Volts Per Characteristic-50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN-50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN
Features ProvidedHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
Mounting MethodTERMINALTERMINAL
Overall Diameter0.875 INCHES NOMINAL0.875 INCHES NOMINAL IN
Current Rating Per Characteristic3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC3.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Semiconductor MaterialSILICONSILICON
Internal ConfigurationJUNCTION CONTACTJUNCTION CONTACT
Terminal Type and Quantity2 UNINSULATED WIRE LEAD AND 2 UNINSULATED WIRE LEAD AND 1 CASE1 CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-966-95551288-245 INTERCHANGEABLE
Bolt Assembly,clamp
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
1660-01-039-3360 INTERCHANGEABLE
Duct Assembly,air Conditioning-H
3020-01-113-7603 INTERCHANGEABLE
Pulley,timing Belt
9540-01-190-04092-1482 INTERCHANGEABLE
Angle,structural
Lockheed Martin Corporation Div Rotary and Mission Systems
5120-01-428-4790J60538 INTERCHANGEABLE
Bit,screwdriver
The Stanley Works Dba Stanley Proto
Cross-Reference Index
Part NumberManufacturer
1854-0291 Hewlett-Packard Company Dba HP (USA)
60538 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
1854-0291 PRIMARY Keysight Technologies Inc (USA)
SJ1266 Freescale Semiconductor, Inc. (USA)
S35138 Fairchild Semiconductor Corp (USA)
1854-0291 Keysight Technologies, Inc. (USA)
Related Parts
5340-00-966-9555INTERCHANGEABLE
BOLT ASSEMBLY,CLAMP
1288-245
1660-01-039-3360INTERCHANGEABLE
DUCT ASSEMBLY,AIR CONDITIONING-H
3020-01-113-7603INTERCHANGEABLE
PULLEY,TIMING BELT
9540-01-190-0409INTERCHANGEABLE
ANGLE,STRUCTURAL
2-1482
5120-01-428-4790INTERCHANGEABLE
BIT,SCREWDRIVER
J60538

Frequently Asked Questions

What is NSN 5961-00-110-5141?

NSN 5961-00-110-5141 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-110-5141?

NSN 5961-00-110-5141 has 6 cross-referenced part numbers: 1854-0291 (Hewlett-Packard Company Dba HP), 60538 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 1854-0291 (Keysight Technologies Inc), SJ1266 (Freescale Semiconductor, Inc.), S35138 (Fairchild Semiconductor Corp) and 1 more.

What NSN replaces 5961-00-110-5141?

There are 5 known substitutes for 5961-00-110-5141: 5340-00-966-9555, 1660-01-039-3360, 3020-01-113-7603 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1854-0291?

Key specifications for 1854-0291: Mounting Facility Quantity: 22; Special Features: JUNCTION PATTERN ARRANGEMENT: NPNJUNCTION PATTERN ARRANGEMENT: NPN; Voltage Rating in Volts Per Characteristic: -50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN-50.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN; Overall Length: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN. 11 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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