PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18297AShaft,bearing

Komatsu America Corporation · NSN 2520-00-355-2574 · FSC 2520 · No Item Name Available
Verified by PartsTable
NSN 2520-00-355-2574 — this item is cataloged by the U.S. Government under National Stock Number 2520-00-355-2574. Primary manufacturer part number: 18297A.
Features
  • Shaft,bearing — FSC 2520
  • General Characteristics Item Description: STEEL,SAE C1022,4.625 IN.MIN,4.688 IN.MAX O/A LG IN
  • 2 verified cross-references
  • Primary manufacturer: Komatsu America Corporation
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Shaft,bearing, cataloged under National Stock Number 2520-00-355-2574, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Komatsu America Corporation. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2520-00-355-2574
Primary Part Number18297A
Item NameShaft,bearing
FSC / FSG2520 / 25 — No Item Name Available
ManufacturerKomatsu America Corporation
StatusACTIVE
General Characteristics Item DescriptionSTEEL,SAE C1022,4.625 IN.MIN,4.688 IN.MAX O/A LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-339-66671M212-2 INTERCHANGEABLE
Transformer,pulse
Northrop Grumman Corp Electronic Systems Defensive System Div
Cross-Reference Index
Part NumberManufacturer
18297A PRIMARY Komatsu America Corporation (USA)
H18297A Komatsu America Corporation (USA)
Related Parts
5950-01-339-6667INTERCHANGEABLE
TRANSFORMER,PULSE
1M212-2

Frequently Asked Questions

What is NSN 2520-00-355-2574?

NSN 2520-00-355-2574 is a Shaft,bearing, manufactured by Komatsu America Corporation, classified under FSC 2520 (No Item Name Available). Status: active.

What are the part numbers for NSN 2520-00-355-2574?

NSN 2520-00-355-2574 has 2 cross-referenced part numbers: 18297A (Komatsu America Corporation), H18297A (Komatsu America Corporation).

What NSN replaces 2520-00-355-2574?

There is 1 known substitute for 2520-00-355-2574: 5950-01-339-6667. Verify interchangeability with system specifications before substitution.

What are the specifications of 18297A?

Key specifications for 18297A: General Characteristics Item Description: STEEL,SAE C1022,4.625 IN.MIN,4.688 IN.MAX O/A LG IN. 1 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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