PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-440Transistor

Philips Circuit Assemblies · NSN 5961-01-158-4376 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-158-4376 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-158-4376. Primary manufacturer part number: A-440.
Features
  • Transistor — FSC 5961
  • 3 verified cross-references
  • Primary manufacturer: Philips Circuit Assemblies
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-158-4376, 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 Philips Circuit Assemblies. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameTransistor
FSC / FSG5961 — No Item Name Available (FSG 59)
ManufacturersPhilips Circuit Assemblies (CAGE 25403); Philips Semiconductors Inc (CAGE 18324); Wavetek U S Inc Div of Wavetek Corp (CAGE 23338)
Technical Specifications
ParameterValue
NSN5961-01-158-4376
Primary Part NumberA-440
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerPhilips Circuit Assemblies
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4730-00-189-2729SAE J513 4 010167B INTERCHANGEABLE
Nut,tube Coupling
Sae International Dba Sae International
5325-00-290-66171201-440-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5950-01-099-3698240-1998-020 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5961-01-339-15651853-0553 INTERCHANGEABLE
Transistor
Keysight Technologies Inc
4820-01-363-2095A440 INTERCHANGEABLE
Valve,safety Relief
Ausco Inc
Cross-Reference Index
Part NumberManufacturer
A-440 Philips Circuit Assemblies (USA)
A-440 Philips Semiconductors Inc (USA)
4902-00-4400 Wavetek U S Inc Div of Wavetek Corp (USA)
Related Parts
4730-00-189-2729INTERCHANGEABLE
NUT,TUBE COUPLING
SAE J513 4 010167B
5325-00-290-6617INTERCHANGEABLE
STUD,TURNLOCK FASTENER
1201-440-Z3C
5950-01-099-3698INTERCHANGEABLE
COIL,RADIO FREQUENCY
240-1998-020
5961-01-339-1565INTERCHANGEABLE
TRANSISTOR
1853-0553
4820-01-363-2095INTERCHANGEABLE
VALVE,SAFETY RELIEF
A440

Frequently Asked Questions

What is NSN 5961-01-158-4376?

NSN 5961-01-158-4376 is a Transistor, manufactured by Philips Circuit Assemblies, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-158-4376?

NSN 5961-01-158-4376 has 3 cross-referenced part numbers: A-440 (Philips Circuit Assemblies), A-440 (Philips Semiconductors Inc), 4902-00-4400 (Wavetek U S Inc Div of Wavetek Corp).

What NSN replaces 5961-01-158-4376?

There are 5 known substitutes for 5961-01-158-4376: 4730-00-189-2729, 5325-00-290-6617, 5950-01-099-3698 and 2 more. Verify interchangeability with system specifications before substitution.

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