PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

404-1Network,hybrid Circuit

L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications · NSN 5915-00-403-7621 · FSC 5915 · No Item Name Available
Verified by PartsTable
NSN 5915-00-403-7621 — this item is cataloged by the U.S. Government under National Stock Number 5915-00-403-7621. Primary manufacturer part number: 404-1.
Features
  • Network,hybrid Circuit — FSC 5915
  • Circuit Type: VOICE FREQUENCY
  • Two-Wire Circuit Quantity: 1
  • 1 verified cross-reference
  • Primary manufacturer: L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Network,hybrid Circuit, cataloged under National Stock Number 5915-00-403-7621, is classified within Federal Supply Class 5915 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5915-00-403-7621
Primary Part Number404-1
Item NameNetwork,hybrid Circuit
FSC / FSG5915 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications
StatusACTIVE
Circuit TypeVOICE FREQUENCY
Two-Wire Circuit Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-065-31944041 INTERCHANGEABLE
Thumbscrew
Roller Bearing Co of America, Inc Div Pic Design
5950-00-081-2477242016P1 INTERCHANGEABLE
Reactor
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5995-00-117-4290114438-3 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Bae Systems Information and Electronic Systems Integration Inc.
5306-00-195-473151658 INTERCHANGEABLE
Bolt,toggle
Fastenal Company
5120-00-221-2728305-6 INTERCHANGEABLE
Marlinespike
Leetonia Tool Co the
6645-00-225-27374041 INTERCHANGEABLE
Wheel,escape
Wakmann Watch Company Inc
6605-00-413-72404041 INTERCHANGEABLE
Extractor
Lockheed Martin Corporation Div Rms - Mitchel Field
4730-00-542-5100 INTERCHANGEABLE
Coupling,pipe
5975-00-563-59724041 INTERCHANGEABLE
Mount,receiver
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
6680-00-663-7932 INTERCHANGEABLE
Indicator,sight,liquid
Cross-Reference Index
Part NumberManufacturer
404-1 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA)
Related Parts
5305-00-065-3194INTERCHANGEABLE
THUMBSCREW
4041
5950-00-081-2477INTERCHANGEABLE
REACTOR
242016P1
5995-00-117-4290INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
114438-3
5306-00-195-4731INTERCHANGEABLE
BOLT,TOGGLE
51658
5120-00-221-2728INTERCHANGEABLE
MARLINESPIKE
305-6
6645-00-225-2737INTERCHANGEABLE
WHEEL,ESCAPE
4041
6605-00-413-7240INTERCHANGEABLE
EXTRACTOR
4041
4730-00-542-5100INTERCHANGEABLE
COUPLING,PIPE
5975-00-563-5972INTERCHANGEABLE
MOUNT,RECEIVER
4041
6680-00-663-7932INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
5940-00-675-8124INTERCHANGEABLE
TERMINAL,LUG
304-0196-000
4130-00-815-5563INTERCHANGEABLE
MANIFOLD,CHARGING AND TESTING,RE

Frequently Asked Questions

What is NSN 5915-00-403-7621?

NSN 5915-00-403-7621 is a Network,hybrid Circuit, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications, classified under FSC 5915 (No Item Name Available). Status: active.

What are the part numbers for NSN 5915-00-403-7621?

NSN 5915-00-403-7621 has 1 cross-referenced part number: 404-1 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications).

What NSN replaces 5915-00-403-7621?

There are 12 known substitutes for 5915-00-403-7621: 5305-00-065-3194, 5950-00-081-2477, 5995-00-117-4290 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 404-1?

Key specifications for 404-1: Circuit Type: VOICE FREQUENCY; Two-Wire Circuit Quantity: 1; Overall Height: 4.719 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL 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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