PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40635Transistor

L3 Technologies, Inc. Div Communication Systems-East · NSN 5961-01-049-6960 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-049-6960 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-049-6960. Primary manufacturer part number: 40635.
Features
  • Transistor — FSC 5961
  • Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
  • Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • Internal Junction Configuration: NPN
  • Overall Diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
  • Current Rating Per Characteristic: 200.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 700.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • 2 verified cross-references
  • Primary manufacturer: L3 Technologies, Inc. Div Communication Systems-East
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-049-6960, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-049-6960
Primary Part Number40635
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Power Rating Per Characteristic1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
Voltage Rating in Volts Per Characteristic75.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Internal Junction ConfigurationNPN
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Current Rating Per Characteristic200.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 700.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4330-00-139-4234011320 INTERCHANGEABLE
Filter Element,fluid
Sullair Corp
5360-00-139-740540635 INTERCHANGEABLE
Spring
L3harris Interstate Electronics Corporation
5840-00-217-696840635 INTERCHANGEABLE
Cone,switch Plate M
L3harris Technologies, Inc Div Space & Airborne Systems
6105-01-126-2771V1568 INTERCHANGEABLE
Motor,direct Current
Waterous Company
9150-01-361-065740-635 INTERCHANGEABLE
Lubricating Oil,instrument
Ideal Industries, Inc.
5910-01-446-227940635 INTERCHANGEABLE
Retainer,capacitor
Briskheat Corporation Dba Briskheat Corp
5305-01-451-0609406-35 INTERCHANGEABLE
Setscrew
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
3220-01-626-229140635 INTERCHANGEABLE
Jointer,woodworking
Steel City Tool Works
Cross-Reference Index
Part NumberManufacturer
40635 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
40635 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
4330-00-139-4234INTERCHANGEABLE
FILTER ELEMENT,FLUID
011320
5360-00-139-7405INTERCHANGEABLE
SPRING
40635
5840-00-217-6968INTERCHANGEABLE
CONE,SWITCH PLATE M
40635
6105-01-126-2771INTERCHANGEABLE
MOTOR,DIRECT CURRENT
V1568
9150-01-361-0657INTERCHANGEABLE
LUBRICATING OIL,INSTRUMENT
40-635
5910-01-446-2279INTERCHANGEABLE
RETAINER,CAPACITOR
40635
5305-01-451-0609INTERCHANGEABLE
SETSCREW
406-35
3220-01-626-2291INTERCHANGEABLE
JOINTER,WOODWORKING
40635

Frequently Asked Questions

What is NSN 5961-01-049-6960?

NSN 5961-01-049-6960 is a Transistor, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-049-6960?

NSN 5961-01-049-6960 has 2 cross-referenced part numbers: 40635 (L3 Technologies, Inc. Div Communication Systems-East), 40635 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).

What NSN replaces 5961-01-049-6960?

There are 8 known substitutes for 5961-01-049-6960: 4330-00-139-4234, 5360-00-139-7405, 5840-00-217-6968 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40635?

Key specifications for 40635: Power Rating Per Characteristic: 1.0 WATTS MAXIMUM TOTAL POWER DISSIPATION; Voltage Rating in Volts Per Characteristic: 75.0 MAXIMUM COLLECTOR TO EMITTER REVERSE VOLTAGE AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN; Internal Junction Configuration: NPN; Overall Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 6 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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