PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

216890Shaft Assembly,coupling

Eaton Aerospace, Llc Dba Jackson South · NSN 1650-00-491-0668 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-00-491-0668 — this item is cataloged by the U.S. Government under National Stock Number 1650-00-491-0668. Primary manufacturer part number: 216890.
Features
  • Shaft Assembly,coupling — FSC 1650
  • General Characteristics Item Description: 125 MICRO INCH FINISH ON SHAFT,PARTS SHAFT 218552 RING 152048SEAL MS28775-11
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft Assembly,coupling, cataloged under National Stock Number 1650-00-491-0668, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-00-491-0668
Primary Part Number216890
Item NameShaft Assembly,coupling
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
General Characteristics Item Description125 MICRO INCH FINISH ON SHAFT,PARTS SHAFT 218552 RING 152048SEAL MS28775-11
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4470-00-242-2803 INTERCHANGEABLE
Housing,special
2990-01-317-8958 INTERCHANGEABLE
Exhaust System,engine
Cross-Reference Index
Part NumberManufacturer
216890 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
4470-00-242-2803INTERCHANGEABLE
HOUSING,SPECIAL
2990-01-317-8958INTERCHANGEABLE
EXHAUST SYSTEM,ENGINE

Frequently Asked Questions

What is NSN 1650-00-491-0668?

NSN 1650-00-491-0668 is a Shaft Assembly,coupling, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-00-491-0668?

NSN 1650-00-491-0668 has 1 cross-referenced part number: 216890 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 1650-00-491-0668?

There are 2 known substitutes for 1650-00-491-0668: 4470-00-242-2803, 2990-01-317-8958. Verify interchangeability with system specifications before substitution.

What are the specifications of 216890?

Key specifications for 216890: General Characteristics Item Description: 125 MICRO INCH FINISH ON SHAFT,PARTS SHAFT 218552 RING 152048SEAL MS28775-11. 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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