PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B539Shroud,fan,axial

Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan · NSN 4140-01-485-3286 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-485-3286 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-485-3286. Primary manufacturer part number: B539.
Features
  • Shroud,fan,axial — FSC 4140
  • 3 verified cross-references
  • Primary manufacturer: Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shroud,fan,axial, cataloged under National Stock Number 4140-01-485-3286, 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 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan. 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.

Technical Specifications
ParameterValue
NSN4140-01-485-3286
Primary Part NumberB539
Item NameShroud,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerLockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-142-432611069531 INTERCHANGEABLE
Bearing,ball,airframe
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
B539 PRIMARY Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
79C0284-10 Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA)
B539 PRIMARY Lockheed Martin Corporation Div Rms - Manassas (USA)
Related Parts
3110-00-142-4326INTERCHANGEABLE
BEARING,BALL,AIRFRAME
11069531

Frequently Asked Questions

What is NSN 4140-01-485-3286?

NSN 4140-01-485-3286 is a Shroud,fan,axial, manufactured by Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-485-3286?

NSN 4140-01-485-3286 has 3 cross-referenced part numbers: B539 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), 79C0284-10 (Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan), B539 (Lockheed Martin Corporation Div Rms - Manassas).

What NSN replaces 4140-01-485-3286?

There is 1 known substitute for 4140-01-485-3286: 3110-00-142-4326. Verify interchangeability with system specifications before substitution.

What are the specifications of B539?

Key specifications for B539: Special Features: KNOWN AS; ROUTER FAN TRAY; End Item Identification: OJ-721(V) 9/U=UYQ-70(V) 2, VLS, CNSL, RACK FFH01. 2 total characteristics are documented in the Federal Logistics Information System.

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