PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3N287PC21Shaft,shouldered

Alfa Laval Inc. · NSN 3040-00-898-0144 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-898-0144 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-898-0144. Primary manufacturer part number: 3N287PC21.
Features
  • Shaft,shouldered — FSC 3040
  • First End Diameter: 0.3750 INCHES NOMINAL IN
  • First End Style: CIRCULAR GROOVED
  • Second End Diameter: 0.3910 INCHES NOMINAL IN
  • First End Groove Diameter: 0.3440 INCHES NOMINAL IN
  • Largest Step Diameter: 0.500 INCHES NOMINAL IN
  • Material: STEEL
  • Criticality Code Justification: FEAT
Applications
  • Applications requiring Steel construction
General Description

The Shaft,shouldered, cataloged under National Stock Number 3040-00-898-0144, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Alfa Laval Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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: Cancelled.

Technical Specifications
ParameterValue
NSN3040-00-898-0144
Primary Part Number3N287PC21
Item NameShaft,shouldered
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerAlfa Laval Inc.
StatusCANCELLED
First End Diameter0.3750 INCHES NOMINAL IN
First End StyleCIRCULAR GROOVED
Second End Diameter0.3910 INCHES NOMINAL IN
First End Groove Diameter0.3440 INCHES NOMINAL IN
Largest Step Diameter0.500 INCHES NOMINAL IN
MaterialSTEEL
Criticality Code JustificationFEAT
First End Groove Width0.2810 INCHES NOMINAL IN
Second End External Thread Length0.438 INCHES NOMINAL IN
End SimilarityNOT IDENTICAL
Step Quantity2
First End Distance From End to Groove0.484 INCHES NOMINAL IN
Second End StyleEXTERNAL THREADED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4330-01-182-7842 INTERCHANGEABLE
Filter Body,fluid
5342-01-194-4540 INTERCHANGEABLE
Frame
Cross-Reference Index
Part NumberManufacturer
3N287PC21 Alfa Laval Inc. (USA)
A-C7629-1 Alfa Laval Inc. (USA)
3N-280 Alfa Laval Inc. (USA)
AC7918-1 Alfa Laval Inc. (USA)
Related Parts
4330-01-182-7842INTERCHANGEABLE
FILTER BODY,FLUID
5342-01-194-4540INTERCHANGEABLE
FRAME

Frequently Asked Questions

What is NSN 3040-00-898-0144?

NSN 3040-00-898-0144 is a Shaft,shouldered, manufactured by Alfa Laval Inc., classified under FSC 3040 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3040-00-898-0144?

NSN 3040-00-898-0144 has 4 cross-referenced part numbers: 3N287PC21 (Alfa Laval Inc.), A-C7629-1 (Alfa Laval Inc.), 3N-280 (Alfa Laval Inc.), AC7918-1 (Alfa Laval Inc.).

What NSN replaces 3040-00-898-0144?

There are 2 known substitutes for 3040-00-898-0144: 4330-01-182-7842, 5342-01-194-4540. Verify interchangeability with system specifications before substitution.

What are the specifications of 3N287PC21?

Key specifications for 3N287PC21: First End Diameter: 0.3750 INCHES NOMINAL IN; First End Style: CIRCULAR GROOVED; Second End Diameter: 0.3910 INCHES NOMINAL IN; First End Groove Diameter: 0.3440 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3040-00-898-0144 still in active supply?

NSN 3040-00-898-0144 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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