PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

280372Shaft,shouldered

Eaton Aerospace, Llc Dba Jackson South · NSN 3040-00-188-9659 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-188-9659 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-188-9659. Primary manufacturer part number: 280372.
Features
  • Shaft,shouldered — FSC 3040
  • End Similarity: NOT IDENTICAL
  • Second End Diameter: 0.7480 INCHES NOMINAL IN
  • Second End Keyway Width: 0.1870 INCHES NOMINAL IN
  • External Keyway Length: 2.160 INCHES NOMINAL SECOND END IN
  • Largest Step Diameter: 0.946 INCHES NOMINAL IN
  • Second End Keyway Depth: 0.105 INCHES NOMINAL IN
  • Step Quantity: 8
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-188-9659, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-188-9659
Primary Part Number280372
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
End SimilarityNOT IDENTICAL
Second End Diameter0.7480 INCHES NOMINAL IN
Second End Keyway Width0.1870 INCHES NOMINAL IN
External Keyway Length2.160 INCHES NOMINAL SECOND END IN
Largest Step Diameter0.946 INCHES NOMINAL IN
Second End Keyway Depth0.105 INCHES NOMINAL IN
Step Quantity8
MaterialSTEEL
First End Diameter0.5600 INCHES NOMINAL IN
Second End StyleFLAT KEYWAY
First End StylePLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-984-6225MS35206-238 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
73519 Little Giant Crane and Shovel Inc (USA)
280372 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5305-00-984-6225INTERCHANGEABLE
SCREW,MACHINE
MS35206-238

Frequently Asked Questions

What is NSN 3040-00-188-9659?

NSN 3040-00-188-9659 is a Shaft,shouldered, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-188-9659?

NSN 3040-00-188-9659 has 2 cross-referenced part numbers: 73519 (Little Giant Crane and Shovel Inc), 280372 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 3040-00-188-9659?

There is 1 known substitute for 3040-00-188-9659: 5305-00-984-6225. Verify interchangeability with system specifications before substitution.

What are the specifications of 280372?

Key specifications for 280372: End Similarity: NOT IDENTICAL; Second End Diameter: 0.7480 INCHES NOMINAL IN; Second End Keyway Width: 0.1870 INCHES NOMINAL IN; External Keyway Length: 2.160 INCHES NOMINAL SECOND END IN. 12 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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