PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6P3857Housing,centrifugal Fan

Caterpillar Inc Div Caterpillar Defense · NSN 4140-01-184-5546 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-184-5546 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-184-5546. Primary manufacturer part number: 6P3857.
Features
  • Housing,centrifugal Fan — FSC 4140
  • 2 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Housing,centrifugal Fan, cataloged under National Stock Number 4140-01-184-5546, 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 Caterpillar Inc Div Caterpillar Defense. 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.

Catalog Facts
Item NameHousing,centrifugal Fan
FSC / FSG4140 — No Item Name Available (FSG 41)
ManufacturersCaterpillar Inc Div Caterpillar Defense (CAGE 11083); Eaton Corporation Dba Air Controls Division Div Air Controls Division (CAGE 17875)
Technical Specifications
ParameterValue
NSN4140-01-184-5546
Primary Part Number6P3857
Item NameHousing,centrifugal Fan
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5360-00-200-54417737610 INTERCHANGEABLE
Spring,helical,compression
U S Army Tank Automotive Command Amsta-Im-Mm
2530-00-773-6045221233 INTERCHANGEABLE
Compressor
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
3950-00-808-0196 INTERCHANGEABLE
Hoist,wire Rope
Cross-Reference Index
Part NumberManufacturer
6P3857 Caterpillar Inc Div Caterpillar Defense (USA)
2-21233 Eaton Corporation Dba Air Controls Division Div Air Controls Division (USA)
Related Parts
5360-00-200-5441INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7737610
2530-00-773-6045INTERCHANGEABLE
COMPRESSOR
221233
3950-00-808-0196INTERCHANGEABLE
HOIST,WIRE ROPE

Frequently Asked Questions

What is NSN 4140-01-184-5546?

NSN 4140-01-184-5546 is a Housing,centrifugal Fan, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-184-5546?

NSN 4140-01-184-5546 has 2 cross-referenced part numbers: 6P3857 (Caterpillar Inc Div Caterpillar Defense), 2-21233 (Eaton Corporation Dba Air Controls Division Div Air Controls Division).

What NSN replaces 4140-01-184-5546?

There are 3 known substitutes for 4140-01-184-5546: 5360-00-200-5441, 2530-00-773-6045, 3950-00-808-0196. Verify interchangeability with system specifications before substitution.

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