PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28798Shaft,shouldered

Paccar Winch Inc Dba Paccar Winch Division · NSN 3040-01-506-2778 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-506-2778 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-506-2778. Primary manufacturer part number: 28798.
Features
  • Shaft,shouldered — FSC 3040
  • Material: STEEL COMP 4140
  • End Similarity: NOT IDENTICAL
  • Second End Style: PLAIN
  • First End Style: PLAIN
  • Step Quantity: 4
  • 2 verified cross-references
  • Primary manufacturer: Paccar Winch Inc Dba Paccar Winch Division
Applications
  • Applications requiring Steel Comp 4140 construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-01-506-2778, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Paccar Winch Inc Dba Paccar Winch Division. Government technical data includes 5 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
NSN3040-01-506-2778
Primary Part Number28798
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerPaccar Winch Inc Dba Paccar Winch Division
StatusACTIVE
MaterialSTEEL COMP 4140
End SimilarityNOT IDENTICAL
Second End StylePLAIN
First End StylePLAIN
Step Quantity4
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3040-01-108-464028798 INTERCHANGEABLE
Cap,linear Actuating Cylinder
Moog Inc. Dba Ampac-Isp Corp
5961-01-375-2747 INTERCHANGEABLE
Semiconductor Device,diode
Cross-Reference Index
Part NumberManufacturer
28798 Paccar Winch Inc Dba Paccar Winch Division (USA)
CH400A-99-110-01-1 ITEM 10 Paccar Winch Inc Dba Paccar Winch Division (USA)
Related Parts
3040-01-108-4640INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
28798
5961-01-375-2747INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE

Frequently Asked Questions

What is NSN 3040-01-506-2778?

NSN 3040-01-506-2778 is a Shaft,shouldered, manufactured by Paccar Winch Inc Dba Paccar Winch Division, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-506-2778?

NSN 3040-01-506-2778 has 2 cross-referenced part numbers: 28798 (Paccar Winch Inc Dba Paccar Winch Division), CH400A-99-110-01-1 ITEM 10 (Paccar Winch Inc Dba Paccar Winch Division).

What NSN replaces 3040-01-506-2778?

There are 2 known substitutes for 3040-01-506-2778: 3040-01-108-4640, 5961-01-375-2747. Verify interchangeability with system specifications before substitution.

What are the specifications of 28798?

Key specifications for 28798: Material: STEEL COMP 4140; Special Features: SECOND END OF SHAFT PROVIDE WITH (16) RADIAL MOUNTING HOLES ON FLANGE FOR 0.750-10X2.500 LONG SOC. HD. CAP SCREWS; End Similarity: NOT IDENTICAL; Second End Style: PLAIN. 8 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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