PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-197-2Transistor

Raytheon Company Dba Raytheon Co · NSN 5961-00-225-3294 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-225-3294 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-225-3294. Primary manufacturer part number: 18-197-2.
Features
  • Transistor — FSC 5961
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Semiconductor Material: SILICON
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • 7 verified cross-references
  • Primary manufacturer: Raytheon Company Dba Raytheon Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-225-3294, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-00-225-3294
Primary Part Number18-197-2
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Semiconductor MaterialSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-007-0045 INTERCHANGEABLE
Transformer,power
5330-00-097-6457 INTERCHANGEABLE
Seal
7510-00-181-75515035 INTERCHANGEABLE
Tape,pressure Sensitive Adhesive
Valley Industrial Products Inc
3040-00-333-52714032-1 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5330-00-395-182237007-11 INTERCHANGEABLE
Gasket
Woodward, Inc. Div Fuel Systems and Controls
5961-00-486-696940321 INTERCHANGEABLE
Transistor
Renesas Electronics America Inc
4820-01-061-653940321-003 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5950-01-160-224613152914-1 INTERCHANGEABLE
Transformer,power
Us Army Aviation and Missile Command
5130-01-279-4907 INTERCHANGEABLE
Kit,versatility
9540-01-300-287740321 INTERCHANGEABLE
Angle,structural
Aluminum Co of America
Cross-Reference Index
Part NumberManufacturer
40321 Intersil Communications Inc. (USA)
18-197-2 Raytheon Company (USA)
40321 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
40321 Renesas Electronics America Inc (USA)
4809-0000-003 Viavi Solutionsllc (USA)
18-197-2 PRIMARY Raytheon Company Dba Raytheon Co (USA)
18-197-2 Raytheon Company Div Corp (USA)
Related Parts
5950-00-007-0045INTERCHANGEABLE
TRANSFORMER,POWER
5330-00-097-6457INTERCHANGEABLE
SEAL
7510-00-181-7551INTERCHANGEABLE
TAPE,PRESSURE SENSITIVE ADHESIVE
5035
3040-00-333-5271INTERCHANGEABLE
CONNECTING LINK,RIGID
4032-1
5330-00-395-1822INTERCHANGEABLE
GASKET
37007-11
5961-00-486-6969INTERCHANGEABLE
TRANSISTOR
40321
4820-01-061-6539INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
40321-003
5950-01-160-2246INTERCHANGEABLE
TRANSFORMER,POWER
13152914-1
5130-01-279-4907INTERCHANGEABLE
KIT,VERSATILITY
9540-01-300-2877INTERCHANGEABLE
ANGLE,STRUCTURAL
40321
5340-01-306-9889INTERCHANGEABLE
BRACKET,ANGLE
5R5994
5962-01-460-9971INTERCHANGEABLE
MICROCIRCUIT,LINEAR
181972

Frequently Asked Questions

What is NSN 5961-00-225-3294?

NSN 5961-00-225-3294 is a Transistor, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-225-3294?

NSN 5961-00-225-3294 has 7 cross-referenced part numbers: 40321 (Intersil Communications Inc.), 18-197-2 (Raytheon Company), 40321 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 40321 (Renesas Electronics America Inc), 4809-0000-003 (Viavi Solutionsllc) and 2 more.

What NSN replaces 5961-00-225-3294?

There are 12 known substitutes for 5961-00-225-3294: 5950-00-007-0045, 5330-00-097-6457, 7510-00-181-7551 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-197-2?

Key specifications for 18-197-2: Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN; Semiconductor Material: SILICON; Overall Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 5 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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