PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2584021Hub,body

Naval Ship Systems Command · NSN 3040-00-450-1949 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-00-450-1949 — this item is cataloged by the U.S. Government under National Stock Number 3040-00-450-1949. Primary manufacturer part number: 2584021.
Features
  • Hub,body — FSC 3040
  • First End Hub Outside Diameter: 7.873 INCHES MINIMUM AND 7.877 INCHES MAXIMUM IN
  • Material Document and Classification: ALLOY 256.0 FED SPEC SINGLE MATERIAL RESPONSE
  • Shoulder Width: 1.000 INCHES NOMINAL IN
  • Second End Hub Outside Diameter: 5.625 INCHES NOMINAL IN
  • Shoulder Outside Diameter: 12.000 INCHES NOMINAL IN
  • Material: STEEL
  • 1 verified cross-reference
Applications
  • Applications requiring Steel construction
General Description

The Hub,body, cataloged under National Stock Number 3040-00-450-1949, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 6 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-00-450-1949
Primary Part Number2584021
Item NameHub,body
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
First End Hub Outside Diameter7.873 INCHES MINIMUM AND 7.877 INCHES MAXIMUM IN
Material Document and ClassificationALLOY 256.0 FED SPEC SINGLE MATERIAL RESPONSE
Shoulder Width1.000 INCHES NOMINAL IN
Second End Hub Outside Diameter5.625 INCHES NOMINAL IN
Shoulder Outside Diameter12.000 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5962-01-508-6968 INTERCHANGEABLE
Microcircuit,digital
2540-01-564-9928258-4021 INTERCHANGEABLE
Insulation,vehicular
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
2584021 PRIMARY Naval Ship Systems Command (USA)
Related Parts
5962-01-508-6968INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2540-01-564-9928INTERCHANGEABLE
INSULATION,VEHICULAR
258-4021

Frequently Asked Questions

What is NSN 3040-00-450-1949?

NSN 3040-00-450-1949 is a Hub,body, manufactured by Naval Ship Systems Command, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-00-450-1949?

NSN 3040-00-450-1949 has 1 cross-referenced part number: 2584021 (Naval Ship Systems Command).

What NSN replaces 3040-00-450-1949?

There are 2 known substitutes for 3040-00-450-1949: 5962-01-508-6968, 2540-01-564-9928. Verify interchangeability with system specifications before substitution.

What are the specifications of 2584021?

Key specifications for 2584021: First End Hub Outside Diameter: 7.873 INCHES MINIMUM AND 7.877 INCHES MAXIMUM IN; End Item Identification: LANDING VEHICLE,FMC CORP,MODEL LVT7; Material Document and Classification: ALLOY 256.0 FED SPEC SINGLE MATERIAL RESPONSE; Shoulder Width: 1.000 INCHES NOMINAL IN. 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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