PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45721Impeller,fan,axial

Howden American Fan Company Dba American Fan Co Div Howden Usa Company · NSN 4140-01-463-0172 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-463-0172 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-463-0172. Primary manufacturer part number: 45721.
Features
  • Impeller,fan,axial — FSC 4140
  • 1 verified cross-reference
  • Primary manufacturer: Howden American Fan Company Dba American Fan Co Div Howden Usa Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-01-463-0172, is classified within Federal Supply Class 4140 (No Item Name Available) of the Refrigeration, AC, and Air Circulating Equipment group. The primary manufacturer of record is Howden American Fan Company Dba American Fan Co Div Howden Usa Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameImpeller,fan,axial
FSC / FSG4140 — No Item Name Available (FSG 41)
ManufacturersHowden American Fan Company Dba American Fan Co Div Howden Usa Company (CAGE 53555)
Technical Specifications
ParameterValue
NSN4140-01-463-0172
Primary Part Number45721
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerHowden American Fan Company Dba American Fan Co Div Howden Usa Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4940-00-718-711145721 INTERCHANGEABLE
Coupling Assy,steam
Aeroil Products Co Inc
2990-01-166-308414033585 INTERCHANGEABLE
Pipe,exhaust
General Motors Llc Dba General Motors Llc
6220-01-414-8926 INTERCHANGEABLE
Light Assembly,indicator
Cross-Reference Index
Part NumberManufacturer
45721 PRIMARY Howden American Fan Company Dba American Fan Co Div Howden Usa Company (USA)
Related Parts
4940-00-718-7111INTERCHANGEABLE
COUPLING ASSY,STEAM
45721
2990-01-166-3084INTERCHANGEABLE
PIPE,EXHAUST
14033585
6220-01-414-8926INTERCHANGEABLE
LIGHT ASSEMBLY,INDICATOR

Frequently Asked Questions

What is NSN 4140-01-463-0172?

NSN 4140-01-463-0172 is a Impeller,fan,axial, manufactured by Howden American Fan Company Dba American Fan Co Div Howden Usa Company, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-463-0172?

NSN 4140-01-463-0172 has 1 cross-referenced part number: 45721 (Howden American Fan Company Dba American Fan Co Div Howden Usa Company).

What NSN replaces 4140-01-463-0172?

There are 3 known substitutes for 4140-01-463-0172: 4940-00-718-7111, 2990-01-166-3084, 6220-01-414-8926. Verify interchangeability with system specifications before substitution.

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