PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

305261Shaft,shouldered

Brp Us Inc · NSN 3040-00-758-9839 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-758-9839 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-758-9839. Primary manufacturer part number: 305261.
Features
  • Shaft,shouldered — FSC 3040
  • Step Quantity: 4
  • Second End External Thread Length: 0.688 INCHES NOMINAL IN
  • First End Style: PLAIN
  • End Similarity: NOT IDENTICAL
  • Second End Diameter: 0.5000 INCHES NOMINAL IN
  • Largest Step Diameter: 0.688 INCHES NOMINAL IN
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-758-9839, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 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
NSN3040-00-758-9839
Primary Part Number305261
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerBrp Us Inc
StatusACTIVE
Step Quantity4
Second End External Thread Length0.688 INCHES NOMINAL IN
First End StylePLAIN
End SimilarityNOT IDENTICAL
Second End Diameter0.5000 INCHES NOMINAL IN
Largest Step Diameter0.688 INCHES NOMINAL IN
MaterialSTEEL
First End Diameter0.5520 INCHES NOMINAL IN
Second End StyleEXTERNAL THREADED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5998-01-664-311030526-1 INTERCHANGEABLE
Circuit Card Assembly
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
0305261 Evinrude Motors Product Group of Outboard Marine Corp (USA)
0305261 Outboard Marine Corp (USA)
0305261 Outboard Marine Corp Johnson Motors Div (USA)
305261 Outboard Marine Corp Johnson Motors Div (USA)
305261 Evinrude Motors Product Group of Outboard Marine Corp (USA)
305261 PRIMARY Brp Us Inc (USA)
0305261 Brp Us Inc (USA)
305261 Outboard Marine Corp (USA)
Related Parts
5998-01-664-3110INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
30526-1

Frequently Asked Questions

What is NSN 3040-00-758-9839?

NSN 3040-00-758-9839 is a Shaft,shouldered, manufactured by Brp Us Inc, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-758-9839?

NSN 3040-00-758-9839 has 8 cross-referenced part numbers: 0305261 (Evinrude Motors Product Group of Outboard Marine Corp), 0305261 (Outboard Marine Corp), 0305261 (Outboard Marine Corp Johnson Motors Div), 305261 (Outboard Marine Corp Johnson Motors Div), 305261 (Evinrude Motors Product Group of Outboard Marine Corp) and 3 more.

What NSN replaces 3040-00-758-9839?

There is 1 known substitute for 3040-00-758-9839: 5998-01-664-3110. Verify interchangeability with system specifications before substitution.

What are the specifications of 305261?

Key specifications for 305261: Step Quantity: 4; Second End External Thread Length: 0.688 INCHES NOMINAL IN; First End Style: PLAIN; End Similarity: NOT IDENTICAL. 10 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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