PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18272-1Impeller,fan,axial

Rtx Corporation Div Pratt & Whitney · NSN 4140-00-185-1573 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-185-1573 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-185-1573. Primary manufacturer part number: 18272-1.
Features
  • Impeller,fan,axial — FSC 4140
  • Material: ALUMINUM OVERALL
  • 2 verified cross-references
  • Primary manufacturer: Rtx Corporation Div Pratt & Whitney
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-00-185-1573, 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 Rtx Corporation Div Pratt & Whitney. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-185-1573
Primary Part Number18272-1
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRtx Corporation Div Pratt & Whitney
StatusACTIVE
MaterialALUMINUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-103-2969182721 INTERCHANGEABLE
O-Ring
Woodward, Inc. Div Fuel Systems and Controls
5331-00-166-0963M83248/1-006 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
4730-01-011-622718272-1 INTERCHANGEABLE
Fitting,subassembly
Circor Aerospace, Inc. Dba Circor Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
18272-1 PRIMARY Rtx Corporation Div Pratt & Whitney (USA)
18272-1 Hamilton Sundstrand Corporation (USA)
Related Parts
5331-00-103-2969INTERCHANGEABLE
O-RING
182721
5331-00-166-0963INTERCHANGEABLE
O-RING
M83248/1-006
4730-01-011-6227INTERCHANGEABLE
FITTING,SUBASSEMBLY
18272-1

Frequently Asked Questions

What is NSN 4140-00-185-1573?

NSN 4140-00-185-1573 is a Impeller,fan,axial, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-185-1573?

NSN 4140-00-185-1573 has 2 cross-referenced part numbers: 18272-1 (Rtx Corporation Div Pratt & Whitney), 18272-1 (Hamilton Sundstrand Corporation).

What NSN replaces 4140-00-185-1573?

There are 3 known substitutes for 4140-00-185-1573: 5331-00-103-2969, 5331-00-166-0963, 4730-01-011-6227. Verify interchangeability with system specifications before substitution.

What are the specifications of 18272-1?

Key specifications for 18272-1: Material: ALUMINUM OVERALL. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com