PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9056041Shaft,shouldered

Us Army Aviation and Missile Command · NSN 3040-00-786-0124 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-786-0124 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-786-0124. Primary manufacturer part number: 9056041.
Features
  • Shaft,shouldered — FSC 3040
  • First End Diameter: 0.1248 INCHES NOMINAL IN
  • Step Quantity: 2
  • External Keyway Length: 0.281 INCHES NOMINAL SECOND END IN
  • Material: STEEL
  • Largest Step Diameter: 0.250 INCHES NOMINAL IN
  • Second End Diameter: 0.2498 INCHES NOMINAL IN
  • Second End Keyway Width: 0.0228 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-786-0124, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 16 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-786-0124
Primary Part Number9056041
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
First End Diameter0.1248 INCHES NOMINAL IN
Step Quantity2
External Keyway Length0.281 INCHES NOMINAL SECOND END IN
MaterialSTEEL
Largest Step Diameter0.250 INCHES NOMINAL IN
Second End Diameter0.2498 INCHES NOMINAL IN
Second End Keyway Width0.0228 INCHES NOMINAL IN
Material Document and ClassificationMIL-S-7720,COMPOSITION 3035 MIL SPEC SINGLE MATERIAL RESPONSE
Second End Distance From Keyway Center to End0.391 INCHES NOMINAL IN
Second End Keyway Depth0.023 INCHES NOMINAL IN
First End Distance From End to Groove0.094 INCHES NOMINAL IN
First End StyleCIRCULAR GROOVED
End SimilarityNOT IDENTICAL
Second End StyleINDENTED FLAT KEYWAY
First End Groove Diameter0.0950 INCHES NOMINAL IN
First End Groove Width0.0170 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-230-9793905604-1 INTERCHANGEABLE
Terminal Board
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
3020-00-267-335125 INTERCHANGEABLE
Chain,roller
Diamond Chain Co Div of Amsted Industries Inc
Cross-Reference Index
Part NumberManufacturer
9056041 PRIMARY Us Army Aviation and Missile Command (USA)
Related Parts
5940-00-230-9793INTERCHANGEABLE
TERMINAL BOARD
905604-1
3020-00-267-3351INTERCHANGEABLE
CHAIN,ROLLER
25

Frequently Asked Questions

What is NSN 3040-00-786-0124?

NSN 3040-00-786-0124 is a Shaft,shouldered, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-786-0124?

NSN 3040-00-786-0124 has 1 cross-referenced part number: 9056041 (Us Army Aviation and Missile Command).

What NSN replaces 3040-00-786-0124?

There are 2 known substitutes for 3040-00-786-0124: 5940-00-230-9793, 3020-00-267-3351. Verify interchangeability with system specifications before substitution.

What are the specifications of 9056041?

Key specifications for 9056041: First End Diameter: 0.1248 INCHES NOMINAL IN; Step Quantity: 2; External Keyway Length: 0.281 INCHES NOMINAL SECOND END IN; Material: STEEL. 17 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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