PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21581Hub Assembly

Extel Corp · NSN 3040-01-182-5417 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-182-5417 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-182-5417. Primary manufacturer part number: 21581.
Features
  • Hub Assembly — FSC 3040
  • 1 verified cross-reference
  • Primary manufacturer: Extel Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Hub Assembly, cataloged under National Stock Number 3040-01-182-5417, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Extel Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameHub Assembly
FSC / FSG3040 — No Item Name Available (FSG 30)
ManufacturersExtel Corp (CAGE 52247)
Technical Specifications
ParameterValue
NSN3040-01-182-5417
Primary Part Number21581
Item NameHub Assembly
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerExtel Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2990-00-451-483949135 INTERCHANGEABLE
Arrester,spark Exhaust
Cummins Filtration Inc.
6625-00-532-2992 INTERCHANGEABLE
Gear Assy,generator
5310-00-584-759421581 INTERCHANGEABLE
Nut,plain,hexagon
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
5310-00-637-053421581-01 INTERCHANGEABLE
Nut,plain,round
Ge Aviation Systems Llc
4130-01-095-418721581 INTERCHANGEABLE
Retainer Assembly,air Conditione
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5325-01-518-0836 INTERCHANGEABLE
Fastener,snapslide
5340-01-555-305521581 INTERCHANGEABLE
Cover,protective,dust and Moistu
L3harris Technologies, Inc Div Space & Airborne Systems
3895-01-697-2717P-LP-325 INTERCHANGEABLE
Reel System,hose
Coxwells Inc Dba Coxreels
Cross-Reference Index
Part NumberManufacturer
21581 Extel Corp (USA)
Related Parts
2990-00-451-4839INTERCHANGEABLE
ARRESTER,SPARK EXHAUST
49135
6625-00-532-2992INTERCHANGEABLE
GEAR ASSY,GENERATOR
5310-00-584-7594INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21581
5310-00-637-0534INTERCHANGEABLE
NUT,PLAIN,ROUND
21581-01
4130-01-095-4187INTERCHANGEABLE
RETAINER ASSEMBLY,AIR CONDITIONE
21581
5325-01-518-0836INTERCHANGEABLE
FASTENER,SNAPSLIDE
5340-01-555-3055INTERCHANGEABLE
COVER,PROTECTIVE,DUST AND MOISTU
21581
3895-01-697-2717INTERCHANGEABLE
REEL SYSTEM,HOSE
P-LP-325

Frequently Asked Questions

What is NSN 3040-01-182-5417?

NSN 3040-01-182-5417 is a Hub Assembly, manufactured by Extel Corp, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-182-5417?

NSN 3040-01-182-5417 has 1 cross-referenced part number: 21581 (Extel Corp).

What NSN replaces 3040-01-182-5417?

There are 8 known substitutes for 3040-01-182-5417: 2990-00-451-4839, 6625-00-532-2992, 5310-00-584-7594 and 5 more. Verify interchangeability with system specifications before substitution.

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