PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120221-1Electronic Subassem

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5840-00-570-5929 · FSC 5840 · No Item Name Available
Verified by PartsTable
NSN 5840-00-570-5929 — this item is cataloged by the U.S. Government under National Stock Number 5840-00-570-5929. Primary manufacturer part number: 120221-1.
Features
  • Electronic Subassem — FSC 5840
  • 2 verified cross-references
  • Primary manufacturer: L3harris Technologies, Inc Div Space & Airborne Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Electronic Subassem, cataloged under National Stock Number 5840-00-570-5929, is classified within Federal Supply Class 5840 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameElectronic Subassem
FSC / FSG5840 — No Item Name Available (FSG 58)
ManufacturersL3harris Technologies, Inc Div Space & Airborne Systems (CAGE 24930)
Technical Specifications
ParameterValue
NSN5840-00-570-5929
Primary Part Number120221-1
Item NameElectronic Subassem
FSC / FSG5840 / 58 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5305-00-012-0221120221 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5930-00-422-0524 INTERCHANGEABLE
Switch,electrical
5305-00-984-6210472-123 INTERCHANGEABLE
Screw,machine
Ampex Data Systems Corporation Dba Ampex Intelligent Systems
4510-01-084-0574SC-1137-AF INTERCHANGEABLE
Shower Bath Fixture
Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
5365-01-220-9739 INTERCHANGEABLE
Spacer,plate
5340-01-492-8252120-221-1 INTERCHANGEABLE
Track,sliding Door
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
120221-1 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
120221 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5305-00-012-0221INTERCHANGEABLE
SCREW,MACHINE
120221
5930-00-422-0524INTERCHANGEABLE
SWITCH,ELECTRICAL
5305-00-984-6210INTERCHANGEABLE
SCREW,MACHINE
472-123
4510-01-084-0574INTERCHANGEABLE
SHOWER BATH FIXTURE
SC-1137-AF
5365-01-220-9739INTERCHANGEABLE
SPACER,PLATE
5340-01-492-8252INTERCHANGEABLE
TRACK,SLIDING DOOR
120-221-1

Frequently Asked Questions

What is NSN 5840-00-570-5929?

NSN 5840-00-570-5929 is a Electronic Subassem, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5840 (No Item Name Available). Status: active.

What are the part numbers for NSN 5840-00-570-5929?

NSN 5840-00-570-5929 has 2 cross-referenced part numbers: 120221-1 (L3harris Technologies, Inc Div Space & Airborne Systems), 120221 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5840-00-570-5929?

There are 6 known substitutes for 5840-00-570-5929: 5305-00-012-0221, 5930-00-422-0524, 5305-00-984-6210 and 3 more. Verify interchangeability with system specifications before substitution.

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