PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

57-237-1Impeller,fan,axial

Hoyt Corporation · NSN 4140-01-340-0675 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-340-0675 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-340-0675. Primary manufacturer part number: 57-237-1.
Features
  • Impeller,fan,axial — FSC 4140
  • Material: ALUMINUM ALLOY OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Hoyt Corporation
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-01-340-0675, 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 Hoyt Corporation. Government technical data includes 1 verified specification, 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
NSN4140-01-340-0675
Primary Part Number57-237-1
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerHoyt Corporation
StatusACTIVE
MaterialALUMINUM ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5905-00-642-078957-2371 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Crane Electronics, Inc.
2840-01-159-4264506374 INTERCHANGEABLE
Case,turbine,aircraft Gas Turbin
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Cross-Reference Index
Part NumberManufacturer
57-237-1 PRIMARY Hoyt Corporation (USA)
Related Parts
5905-00-642-0789INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
57-2371
2840-01-159-4264INTERCHANGEABLE
CASE,TURBINE,AIRCRAFT GAS TURBIN
506374

Frequently Asked Questions

What is NSN 4140-01-340-0675?

NSN 4140-01-340-0675 is a Impeller,fan,axial, manufactured by Hoyt Corporation, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-340-0675?

NSN 4140-01-340-0675 has 1 cross-referenced part number: 57-237-1 (Hoyt Corporation).

What NSN replaces 4140-01-340-0675?

There are 2 known substitutes for 4140-01-340-0675: 5905-00-642-0789, 2840-01-159-4264. Verify interchangeability with system specifications before substitution.

What are the specifications of 57-237-1?

Key specifications for 57-237-1: Material: ALUMINUM ALLOY OVERALL. 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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