PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

597ZSFan,axial

Rotron Incorporated · NSN 4140-01-020-4224 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-020-4224 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-020-4224. Primary manufacturer part number: 597ZS.
Features
  • Fan,axial — FSC 4140
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • 2 verified cross-references
  • Primary manufacturer: Rotron Incorporated
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fan,axial, cataloged under National Stock Number 4140-01-020-4224, 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 Rotron Incorporated. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-020-4224
Primary Part Number597ZS
Item NameFan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4140-00-815-6897335C894 INTERCHANGEABLE
Fan,tubeaxial
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4140-00-833-6239026990 INTERCHANGEABLE
Fan,tubeaxial
Rotron Incorporated
4140-01-028-9602 INTERCHANGEABLE
Fan,tubeaxial
Cross-Reference Index
Part NumberManufacturer
597ZS Rotron Incorporated (USA)
026990 Rotron Incorporated (USA)
Related Parts
4140-00-815-6897INTERCHANGEABLE
FAN,TUBEAXIAL
335C894
4140-00-833-6239INTERCHANGEABLE
FAN,TUBEAXIAL
026990
4140-01-028-9602INTERCHANGEABLE
FAN,TUBEAXIAL

Frequently Asked Questions

What is NSN 4140-01-020-4224?

NSN 4140-01-020-4224 is a Fan,axial, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-020-4224?

NSN 4140-01-020-4224 has 2 cross-referenced part numbers: 597ZS (Rotron Incorporated), 026990 (Rotron Incorporated).

What NSN replaces 4140-01-020-4224?

There are 3 known substitutes for 4140-01-020-4224: 4140-00-815-6897, 4140-00-833-6239, 4140-01-028-9602. Verify interchangeability with system specifications before substitution.

What are the specifications of 597ZS?

Key specifications for 597ZS: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com