PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1545643-1Transistor

Drummond American Corporation · NSN 5961-00-146-2449 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-146-2449 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-146-2449. Primary manufacturer part number: 1545643-1.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Unable to Decode: UNABLE TO DECODE
  • Internal Configuration: JUNCTION CONTACT
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Length: 1.500 INCHES MINIMUM IN
  • Semiconductor Material: SILICON
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-146-2449, 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 Drummond American Corporation. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-146-2449
Primary Part Number1545643-1
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerDrummond American Corporation
StatusACTIVE
Mounting MethodTERMINAL
Unable to DecodeUNABLE TO DECODE
Internal ConfigurationJUNCTION CONTACT
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Terminal Length1.500 INCHES MINIMUM IN
Semiconductor MaterialSILICON
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3030-00-269-7203166T INTERCHANGEABLE
Belt,v
Gates Corporation
5961-00-486-6176 INTERCHANGEABLE
Transistor
3040-00-677-348640348 INTERCHANGEABLE
Shaft,helical Gear
Honeywell International Inc. Div Aerospace - Torrance
5950-01-122-7288984873-1B INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
4730-01-333-6922 INTERCHANGEABLE
Tee,tube
5330-01-513-746640348 INTERCHANGEABLE
Gasket
Hougen Manufacturing, Inc
6635-01-641-690440348 INTERCHANGEABLE
Test Set,soil
Meter Group Inc Dba Meter Group Inc Usa
Cross-Reference Index
Part NumberManufacturer
40348A Adelco Elektronik Gmbh (DEU)
40348 Adelco Elektronik Gmbh (DEU)
1545643-1 PRIMARY Drummond American Corporation (USA)
1545643-1 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
40348 Rca Corp Distribution and Special Products (USA)
40348 Lacon Electronic Gmbh (DEU)
Related Parts
3030-00-269-7203INTERCHANGEABLE
BELT,V
166T
5961-00-486-6176INTERCHANGEABLE
TRANSISTOR
3040-00-677-3486INTERCHANGEABLE
SHAFT,HELICAL GEAR
40348
5950-01-122-7288INTERCHANGEABLE
TRANSFORMER,POWER
984873-1B
4730-01-333-6922INTERCHANGEABLE
TEE,TUBE
5330-01-513-7466INTERCHANGEABLE
GASKET
40348
6635-01-641-6904INTERCHANGEABLE
TEST SET,SOIL
40348

Frequently Asked Questions

What is NSN 5961-00-146-2449?

NSN 5961-00-146-2449 is a Transistor, manufactured by Drummond American Corporation, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-146-2449?

NSN 5961-00-146-2449 has 6 cross-referenced part numbers: 40348A (Adelco Elektronik Gmbh), 40348 (Adelco Elektronik Gmbh), 1545643-1 (Drummond American Corporation), 1545643-1 (Allied Signal Inc Aerospace Equipment Systems Eatontown Site), 40348 (Rca Corp Distribution and Special Products) and 1 more.

What NSN replaces 5961-00-146-2449?

There are 7 known substitutes for 5961-00-146-2449: 3030-00-269-7203, 5961-00-486-6176, 3040-00-677-3486 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1545643-1?

Key specifications for 1545643-1: Mounting Method: TERMINAL; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Overall Length: 0.260 INCHES MAXIMUM IN; Unable to Decode: UNABLE TO DECODE. 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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