PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49875Fanwheel Assembly

Northrop Grumman Systems Corporation Div Marine Systems · NSN 4140-00-383-8203 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-383-8203 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-383-8203. Primary manufacturer part number: 49875.
Features
  • Fanwheel Assembly — FSC 4140
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fanwheel Assembly, cataloged under National Stock Number 4140-00-383-8203, 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 Northrop Grumman Systems Corporation Div Marine Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFanwheel Assembly
FSC / FSG4140 — No Item Name Available (FSG 41)
ManufacturersNorthrop Grumman Systems Corporation Div Marine Systems (CAGE 90099); Westinghouse Electric Corp Sturtevant Div (CAGE 80231)
Technical Specifications
ParameterValue
NSN4140-00-383-8203
Primary Part Number49875
Item NameFanwheel Assembly
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6250-00-961-0787 INTERCHANGEABLE
Lampholder
4820-01-225-692849875J INTERCHANGEABLE
Wiper,valve Stem
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
49875 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
49875 Westinghouse Electric Corp Sturtevant Div (USA)
Related Parts
6250-00-961-0787INTERCHANGEABLE
LAMPHOLDER
4820-01-225-6928INTERCHANGEABLE
WIPER,VALVE STEM
49875J

Frequently Asked Questions

What is NSN 4140-00-383-8203?

NSN 4140-00-383-8203 is a Fanwheel Assembly, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-383-8203?

NSN 4140-00-383-8203 has 2 cross-referenced part numbers: 49875 (Northrop Grumman Systems Corporation Div Marine Systems), 49875 (Westinghouse Electric Corp Sturtevant Div).

What NSN replaces 4140-00-383-8203?

There are 2 known substitutes for 4140-00-383-8203: 6250-00-961-0787, 4820-01-225-6928. Verify interchangeability with system specifications before substitution.

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