PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15554Gearing Unit

Cessna Aircraft Co Arc Avionics Div · NSN 5821-00-378-5344 · FSC 5821 · No Item Name Available
Verified by PartsTable
NSN 5821-00-378-5344 — this item is cataloged by the U.S. Government under National Stock Number 5821-00-378-5344. Primary manufacturer part number: 15554.
Features
  • Gearing Unit — FSC 5821
  • General Characteristics Item Description: 5.000 IN. LG; 3.750 IN. H IN
  • 1 verified cross-reference
  • Primary manufacturer: Cessna Aircraft Co Arc Avionics Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gearing Unit, cataloged under National Stock Number 5821-00-378-5344, is classified within Federal Supply Class 5821 (No Item Name Available) of the Communication, Detection, and Coherent Radiation Equipment group. The primary manufacturer of record is Cessna Aircraft Co Arc Avionics Div. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5821-00-378-5344
Primary Part Number15554
Item NameGearing Unit
FSC / FSG5821 / 58 — No Item Name Available
ManufacturerCessna Aircraft Co Arc Avionics Div
StatusACTIVE
General Characteristics Item Description5.000 IN. LG; 3.750 IN. H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3895-00-355-2629 INTERCHANGEABLE
Mat,sprinkler
5360-00-671-845615554 INTERCHANGEABLE
Spring,helical,compression
Mid-America Aerotech, Llc
5950-00-899-9270140139-02 INTERCHANGEABLE
Transformer,power
Ge Aviation Systems Llc
6150-01-146-218115554 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Time Manufacturing Company Dba Time Manufacturing Company
4720-01-176-963421794 INTERCHANGEABLE
Hose,preformed
Gates Corporation
8415-01-314-238215-554 INTERCHANGEABLE
Gloves,chemical Protective
Ansell Healthcare Products Llc Dba Ansell Div Ansell Healthcare
Cross-Reference Index
Part NumberManufacturer
15554 Cessna Aircraft Co Arc Avionics Div (USA)
Related Parts
3895-00-355-2629INTERCHANGEABLE
MAT,SPRINKLER
5360-00-671-8456INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
15554
5950-00-899-9270INTERCHANGEABLE
TRANSFORMER,POWER
140139-02
6150-01-146-2181INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
15554
4720-01-176-9634INTERCHANGEABLE
HOSE,PREFORMED
21794
8415-01-314-2382INTERCHANGEABLE
GLOVES,CHEMICAL PROTECTIVE
15-554

Frequently Asked Questions

What is NSN 5821-00-378-5344?

NSN 5821-00-378-5344 is a Gearing Unit, manufactured by Cessna Aircraft Co Arc Avionics Div, classified under FSC 5821 (No Item Name Available). Status: active.

What are the part numbers for NSN 5821-00-378-5344?

NSN 5821-00-378-5344 has 1 cross-referenced part number: 15554 (Cessna Aircraft Co Arc Avionics Div).

What NSN replaces 5821-00-378-5344?

There are 6 known substitutes for 5821-00-378-5344: 3895-00-355-2629, 5360-00-671-8456, 5950-00-899-9270 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15554?

Key specifications for 15554: General Characteristics Item Description: 5.000 IN. LG; 3.750 IN. H IN. 1 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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