PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1788870Shaft,shouldered

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 3040-00-928-2084 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-928-2084 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-928-2084. Primary manufacturer part number: 1788870.
Features
  • Shaft,shouldered — FSC 3040
  • Material Document and Classification: FED STD 66,AISI/SAE 4012 FED STD SINGLE MATERIAL RESPONSE
  • Second End Style: PLAIN
  • FSC Application Data: LAUNCHER,GUIDED MISSILE
  • Largest Step Diameter: 0.374 INCHES NOMINAL IN
  • Step Quantity: 1
  • End Similarity: NOT IDENTICAL
  • Second End Diameter: 0.3740 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-928-2084, 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 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-928-2084
Primary Part Number1788870
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Material Document and ClassificationFED STD 66,AISI/SAE 4012 FED STD SINGLE MATERIAL RESPONSE
Second End StylePLAIN
FSC Application DataLAUNCHER,GUIDED MISSILE
Largest Step Diameter0.374 INCHES NOMINAL IN
Step Quantity1
End SimilarityNOT IDENTICAL
Second End Diameter0.3740 INCHES NOMINAL IN
First End Diameter0.3120 INCHES NOMINAL IN
MaterialSTEEL
Surface Finish63.0 MICROINCHES
First End StylePLAIN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5935-01-336-640912126012 INTERCHANGEABLE
Connector Body,plug,electrical
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
1788870 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5935-01-336-6409INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
12126012

Frequently Asked Questions

What is NSN 3040-00-928-2084?

NSN 3040-00-928-2084 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 3040-00-928-2084?

NSN 3040-00-928-2084 has 1 cross-referenced part number: 1788870 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 3040-00-928-2084?

There is 1 known substitute for 3040-00-928-2084: 5935-01-336-6409. Verify interchangeability with system specifications before substitution.

What are the specifications of 1788870?

Key specifications for 1788870: Material Document and Classification: FED STD 66,AISI/SAE 4012 FED STD SINGLE MATERIAL RESPONSE; Second End Style: PLAIN; FSC Application Data: LAUNCHER,GUIDED MISSILE; Largest Step Diameter: 0.374 INCHES NOMINAL 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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