PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1649Impeller,fan,centrifugal

Zero Corp Mclean Engineering Div · NSN 4140-00-481-3858 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-481-3858 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-481-3858. Primary manufacturer part number: S1649.
Features
  • Impeller,fan,centrifugal — FSC 4140
  • 3 verified cross-references
  • Primary manufacturer: Zero Corp Mclean Engineering Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-481-3858, 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 Zero Corp Mclean Engineering Div. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameImpeller,fan,centrifugal
FSC / FSG4140 — No Item Name Available (FSG 41)
ManufacturersZero Corp Mclean Engineering Div (CAGE 03522); Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (CAGE 60399)
Technical Specifications
ParameterValue
NSN4140-00-481-3858
Primary Part NumberS1649
Item NameImpeller,fan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerZero Corp Mclean Engineering Div
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4140-00-020-6953 INTERCHANGEABLE
Impeller,fan,centrifugal
4140-00-176-4369 INTERCHANGEABLE
Impeller,fan,centrifugal
4140-00-255-2458 INTERCHANGEABLE
Impeller,fan,centrifugal
4140-00-350-018140340-6 INTERCHANGEABLE
Impeller,fan,centrifugal
The Dewey Electronics Corporation
5330-00-738-4437S1649 INTERCHANGEABLE
Packing,preformed
Crane Co Div Valve Div
6625-00-900-3744310352 INTERCHANGEABLE
Ammeter
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
4140-00-948-7041 INTERCHANGEABLE
Impeller,fan,centrifugal
Cross-Reference Index
Part NumberManufacturer
S1649 Zero Corp Mclean Engineering Div (USA)
AA-424-316-2CW 5/16BORE/AL Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA)
M-1965 Zero Corp Mclean Engineering Div (USA)
Related Parts
4140-00-020-6953INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
4140-00-176-4369INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
4140-00-255-2458INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
4140-00-350-0181INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
40340-6
5330-00-738-4437INTERCHANGEABLE
PACKING,PREFORMED
S1649
6625-00-900-3744INTERCHANGEABLE
AMMETER
310352
4140-00-948-7041INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL

Frequently Asked Questions

What is NSN 4140-00-481-3858?

NSN 4140-00-481-3858 is a Impeller,fan,centrifugal, manufactured by Zero Corp Mclean Engineering Div, classified under FSC 4140 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4140-00-481-3858?

NSN 4140-00-481-3858 has 3 cross-referenced part numbers: S1649 (Zero Corp Mclean Engineering Div), AA-424-316-2CW 5/16BORE/AL (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division), M-1965 (Zero Corp Mclean Engineering Div).

What NSN replaces 4140-00-481-3858?

There are 7 known substitutes for 4140-00-481-3858: 4140-00-020-6953, 4140-00-176-4369, 4140-00-255-2458 and 4 more. Verify interchangeability with system specifications before substitution.

Is NSN 4140-00-481-3858 still in active supply?

NSN 4140-00-481-3858 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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