PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KNA1901 ITEM 28Transistor

Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution · NSN 5961-01-036-5402 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-036-5402 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-036-5402. Primary manufacturer part number: KNA1901 ITEM 28.
Features
  • Transistor — FSC 5961
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Features Provided: HERMETICALLY SEALED CASE
  • Electrode Internally-Electrically Connected to Case: COLLECTOR
  • Internal Junction Configuration: NPN
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-036-5402, 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 Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-036-5402
Primary Part NumberKNA1901 ITEM 28
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution
StatusACTIVE
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Features ProvidedHERMETICALLY SEALED CASE
Electrode Internally-Electrically Connected to CaseCOLLECTOR
Internal Junction ConfigurationNPN
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Mounting MethodTERMINAL
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Semiconductor MaterialSILICON
Power Rating Per Characteristic80.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
Terminal Length1.500 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5961-00-132-486810664800 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5961-00-463-3013200-754 INTERCHANGEABLE
Transistor
Cmc Electronics Inc
5961-00-542-7308 INTERCHANGEABLE
Transistor
5961-00-686-8578 INTERCHANGEABLE
Transistor
5961-00-752-6081 INTERCHANGEABLE
Transistor
5961-00-784-064710587424-1 INTERCHANGEABLE
Transistor
Us Army Aviation and Missile Command
5961-00-821-20282N657 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-00-908-30832N657 INTERCHANGEABLE
Transistor
Texas Instruments Incorporated
5961-00-942-66381261915-9 INTERCHANGEABLE
Transistor
Honeywell Intl Inc Defense Avionics Systems
Cross-Reference Index
Part NumberManufacturer
2N657 Raytheon Company Dba Raytheon Co (USA)
KBW165E Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA)
KNA1901 ITEM 28 PRIMARY Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA)
2N657 Raytheon Company Div Corp (USA)
Related Parts
5961-00-132-4868INTERCHANGEABLE
TRANSISTOR
10664800
5961-00-463-3013INTERCHANGEABLE
TRANSISTOR
200-754
5961-00-542-7308INTERCHANGEABLE
TRANSISTOR
5961-00-686-8578INTERCHANGEABLE
TRANSISTOR
5961-00-752-6081INTERCHANGEABLE
TRANSISTOR
5961-00-784-0647INTERCHANGEABLE
TRANSISTOR
10587424-1
5961-00-821-2028INTERCHANGEABLE
TRANSISTOR
2N657
5961-00-908-3083INTERCHANGEABLE
TRANSISTOR
2N657
5961-00-942-6638INTERCHANGEABLE
TRANSISTOR
1261915-9

Frequently Asked Questions

What is NSN 5961-01-036-5402?

NSN 5961-01-036-5402 is a Transistor, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-036-5402?

NSN 5961-01-036-5402 has 4 cross-referenced part numbers: 2N657 (Raytheon Company Dba Raytheon Co), KBW165E (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution), KNA1901 ITEM 28 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution), 2N657 (Raytheon Company Div Corp).

What NSN replaces 5961-01-036-5402?

There are 9 known substitutes for 5961-01-036-5402: 5961-00-132-4868, 5961-00-463-3013, 5961-00-542-7308 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of KNA1901 ITEM 28?

Key specifications for KNA1901 ITEM 28: Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 8.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Features Provided: HERMETICALLY SEALED CASE; Electrode Internally-Electrically Connected to Case: COLLECTOR; Internal Junction Configuration: NPN. 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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