PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1261915-99Transistor

Honeywell International Inc. Dba Honeywell International · NSN 5961-00-702-6542 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-702-6542 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-702-6542. Primary manufacturer part number: 1261915-99.
Features
  • Transistor — FSC 5961
  • Criticality Code Justification: FEAT
  • Terminal Type and Quantity: 1 THREADED STUD AND 1 CASE
  • Mounting Facility Quantity: 1
  • Nominal Thread Size: 0.164 INCHES IN
  • Overall Width Across Flats: 0.410 INCHES NOMINAL IN
  • Mounting Method: THREADED STUD(S)
  • Internal Configuration: JUNCTION CONTACT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-702-6542, 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 Honeywell International Inc. Dba Honeywell International. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-702-6542
Primary Part Number1261915-99
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerHoneywell International Inc. Dba Honeywell International
StatusCANCELLED
Criticality Code JustificationFEAT
Terminal Type and Quantity1 THREADED STUD AND 1 CASE
Mounting Facility Quantity1
Nominal Thread Size0.164 INCHES IN
Overall Width Across Flats0.410 INCHES NOMINAL IN
Mounting MethodTHREADED STUD(S)
Internal ConfigurationJUNCTION CONTACT
Semiconductor MaterialSILICON
Features ProvidedHERMETICALLY SEALED CASE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5961-00-006-1517535528-1 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5961-00-104-1172531773-1 INTERCHANGEABLE
Semiconductor Device,diode
Raytheon Company Dba Raytheon
5961-00-137-4382 INTERCHANGEABLE
Transistor
5961-00-170-0155928440-101 INTERCHANGEABLE
Transistor
Raytheon Company Dba Raytheon
5365-00-175-0164BUWEPSDWGTP388 INTERCHANGEABLE
Plug
Naval Reserve Center
5961-00-189-29402504236-20 INTERCHANGEABLE
Transistor
L3 Technologies, Inc. Dba Communication Systems-West Div Communication Systems-West
5961-00-325-8829 INTERCHANGEABLE
Transistor
5961-00-401-77352554433-1 INTERCHANGEABLE
Semiconductor Device Set
Honeywell International Inc. Dba Honeywell International
5961-00-418-6544334762-2 INTERCHANGEABLE
Transistor
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5961-00-615-609322840-1 INTERCHANGEABLE
Transistor
Drs Signal Solutions, Inc.
Cross-Reference Index
Part NumberManufacturer
1261915-99 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
1261915-99 Honeywell Intl Inc Defense Avionics Systems (USA)
SP388 Texas Instruments Incorporated (USA)
1261915-99 Aero International, Llc Dba Ams Engineered Solutions (USA)
1261915-99 PRIMARY Honeywell International Inc. Dba Honeywell International (USA)
DMS 85099B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
Related Parts
5961-00-006-1517INTERCHANGEABLE
TRANSISTOR
535528-1
5961-00-104-1172INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
531773-1
5961-00-137-4382INTERCHANGEABLE
TRANSISTOR
5961-00-170-0155INTERCHANGEABLE
TRANSISTOR
928440-101
5365-00-175-0164INTERCHANGEABLE
PLUG
BUWEPSDWGTP388
5961-00-189-2940INTERCHANGEABLE
TRANSISTOR
2504236-20
5961-00-325-8829INTERCHANGEABLE
TRANSISTOR
5961-00-401-7735INTERCHANGEABLE
SEMICONDUCTOR DEVICE SET
2554433-1
5961-00-418-6544INTERCHANGEABLE
TRANSISTOR
334762-2
5961-00-615-6093INTERCHANGEABLE
TRANSISTOR
22840-1
5961-00-702-5487INTERCHANGEABLE
TRANSISTOR
TI486
5961-00-722-1377INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5961-00-702-6542?

NSN 5961-00-702-6542 is a Transistor, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-702-6542?

NSN 5961-00-702-6542 has 6 cross-referenced part numbers: 1261915-99 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), 1261915-99 (Honeywell Intl Inc Defense Avionics Systems), SP388 (Texas Instruments Incorporated), 1261915-99 (Aero International, Llc Dba Ams Engineered Solutions), 1261915-99 (Honeywell International Inc. Dba Honeywell International) and 1 more.

What NSN replaces 5961-00-702-6542?

There are 12 known substitutes for 5961-00-702-6542: 5961-00-006-1517, 5961-00-104-1172, 5961-00-137-4382 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1261915-99?

Key specifications for 1261915-99: Criticality Code Justification: FEAT; Terminal Type and Quantity: 1 THREADED STUD AND 1 CASE; Mounting Facility Quantity: 1; Overall Length: 0.335 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-702-6542 still in active supply?

NSN 5961-00-702-6542 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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