PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1390970Impeller,fan,axial

Oshkosh Defense Llc · NSN 4140-01-218-3391 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-218-3391 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-218-3391. Primary manufacturer part number: 1390970.
Features
  • Impeller,fan,axial — FSC 4140
  • 3 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-01-218-3391, 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 Oshkosh Defense Llc. This item has 3 commercial cross-references from 3 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 NameImpeller,fan,axial
FSC / FSG4140 — No Item Name Available (FSG 41)
ManufacturersBrookside Corp (CAGE 22038); Oshkosh Corp (CAGE 45152); Oshkosh Defense Llc (CAGE 75Q65)
Technical Specifications
ParameterValue
NSN4140-01-218-3391
Primary Part Number1390970
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-042-0697 INTERCHANGEABLE
Screw,machine
5995-01-512-720942069-7 INTERCHANGEABLE
Cable Assembly,radio Frequency
Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems
6530-01-695-055342-0697 INTERCHANGEABLE
Ceiling Mount,surgical Light
Fedmedical, Inc
Cross-Reference Index
Part NumberManufacturer
420697 Brookside Corp (USA)
1390970 Oshkosh Corp (USA)
1390970 PRIMARY Oshkosh Defense Llc (USA)
Related Parts
5305-00-042-0697INTERCHANGEABLE
SCREW,MACHINE
5995-01-512-7209INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
42069-7
6530-01-695-0553INTERCHANGEABLE
CEILING MOUNT,SURGICAL LIGHT
42-0697

Frequently Asked Questions

What is NSN 4140-01-218-3391?

NSN 4140-01-218-3391 is a Impeller,fan,axial, manufactured by Oshkosh Defense Llc, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-218-3391?

NSN 4140-01-218-3391 has 3 cross-referenced part numbers: 420697 (Brookside Corp), 1390970 (Oshkosh Corp), 1390970 (Oshkosh Defense Llc).

What NSN replaces 4140-01-218-3391?

There are 3 known substitutes for 4140-01-218-3391: 5305-00-042-0697, 5995-01-512-7209, 6530-01-695-0553. Verify interchangeability with system specifications before substitution.

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