PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MU2A1028021Fan

Rotron Incorporated · NSN 4931-00-460-5973 · FSC 4931 · No Item Name Available
Verified by PartsTable
NSN 4931-00-460-5973 — this item is cataloged by the U.S. Government under National Stock Number 4931-00-460-5973. Primary manufacturer part number: MU2A1028021.
Features
  • Fan — FSC 4931
  • 3 verified cross-references
  • Primary manufacturer: Rotron Incorporated
Applications
  • Maintenance depot operations
  • Field repair and servicing
  • Vehicle maintenance facilities
General Description

The Fan, cataloged under National Stock Number 4931-00-460-5973, is classified within Federal Supply Class 4931 (No Item Name Available) of the Maintenance and Repair Shop Equipment group. The primary manufacturer of record is Rotron Incorporated. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameFan
FSC / FSG4931 — No Item Name Available (FSG 49)
ManufacturersRotron Incorporated (CAGE 82877); Comair Rotron Inc Sub of Kl Industries Inc (CAGE 5Y921)
Technical Specifications
ParameterValue
NSN4931-00-460-5973
Primary Part NumberMU2A1028021
Item NameFan
FSC / FSG4931 / 49 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4140-00-113-09892899381-01 INTERCHANGEABLE
Fan,tubeaxial
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
MU2A1028021 Rotron Incorporated (USA)
MU2A1028021 Comair Rotron Inc Sub of Kl Industries Inc (USA)
RF147 Rotron Incorporated (USA)
Related Parts
4140-00-113-0989INTERCHANGEABLE
FAN,TUBEAXIAL
2899381-01

Frequently Asked Questions

What is NSN 4931-00-460-5973?

NSN 4931-00-460-5973 is a Fan, manufactured by Rotron Incorporated, classified under FSC 4931 (No Item Name Available). Status: active.

What are the part numbers for NSN 4931-00-460-5973?

NSN 4931-00-460-5973 has 3 cross-referenced part numbers: MU2A1028021 (Rotron Incorporated), MU2A1028021 (Comair Rotron Inc Sub of Kl Industries Inc), RF147 (Rotron Incorporated).

What NSN replaces 4931-00-460-5973?

There is 1 known substitute for 4931-00-460-5973: 4140-00-113-0989. Verify interchangeability with system specifications before substitution.

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