PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66944-9Shaft,shouldered

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3040-01-315-7650 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-315-7650 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-315-7650. Primary manufacturer part number: 66944-9.
Features
  • Shaft,shouldered — FSC 3040
  • End Similarity: NOT IDENTICAL
  • Largest Step Diameter: 0.5950 INCHES NOMINAL IN
  • Second End Style: PLAIN
  • Material: STEEL
  • Step Quantity: 3
  • First End Style: PLAIN
  • Second End Diameter: 0.3120 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-315-7650, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN3040-01-315-7650
Primary Part Number66944-9
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
End SimilarityNOT IDENTICAL
Largest Step Diameter0.5950 INCHES NOMINAL IN
Second End StylePLAIN
MaterialSTEEL
Step Quantity3
First End StylePLAIN
Second End Diameter0.3120 INCHES NOMINAL IN
First End Diameter0.1000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-804-264766944 INTERCHANGEABLE
Transformer,power,s
Magnetek Inc Lighting Products Group
9540-01-086-3628 INTERCHANGEABLE
Beam,structural
Cross-Reference Index
Part NumberManufacturer
66944-9 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
66944 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5950-00-804-2647INTERCHANGEABLE
TRANSFORMER,POWER,S
66944
9540-01-086-3628INTERCHANGEABLE
BEAM,STRUCTURAL

Frequently Asked Questions

What is NSN 3040-01-315-7650?

NSN 3040-01-315-7650 is a Shaft,shouldered, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-315-7650?

NSN 3040-01-315-7650 has 2 cross-referenced part numbers: 66944-9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 66944 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3040-01-315-7650?

There are 2 known substitutes for 3040-01-315-7650: 5950-00-804-2647, 9540-01-086-3628. Verify interchangeability with system specifications before substitution.

What are the specifications of 66944-9?

Key specifications for 66944-9: End Similarity: NOT IDENTICAL; Largest Step Diameter: 0.5950 INCHES NOMINAL IN; Second End Style: PLAIN; Overall Length: 1.5200 INCHES NOMINAL IN. 9 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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