PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

308151-1Fan,circulating

Frontier Electronic Systems Corp · NSN 4140-01-520-4487 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-520-4487 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-520-4487. Primary manufacturer part number: 308151-1.
Features
  • Fan,circulating — FSC 4140
  • 1 verified cross-reference
  • Primary manufacturer: Frontier Electronic Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Fan,circulating, cataloged under National Stock Number 4140-01-520-4487, 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 Frontier Electronic Systems Corp. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4140-01-520-4487
Primary Part Number308151-1
Item NameFan,circulating
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerFrontier Electronic Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5955-00-392-36561879 INTERCHANGEABLE
Oscillator,crystal Controlled
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
Cross-Reference Index
Part NumberManufacturer
308151-1 PRIMARY Frontier Electronic Systems Corp (USA)
Related Parts
5955-00-392-3656INTERCHANGEABLE
OSCILLATOR,CRYSTAL CONTROLLED
1879

Frequently Asked Questions

What is NSN 4140-01-520-4487?

NSN 4140-01-520-4487 is a Fan,circulating, manufactured by Frontier Electronic Systems Corp, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-520-4487?

NSN 4140-01-520-4487 has 1 cross-referenced part number: 308151-1 (Frontier Electronic Systems Corp).

What NSN replaces 4140-01-520-4487?

There is 1 known substitute for 4140-01-520-4487: 5955-00-392-3656. Verify interchangeability with system specifications before substitution.

What are the specifications of 308151-1?

Key specifications for 308151-1: Special Features: EQUIPMENT COOLING FAN; SWITCHBOARD; CIRCULATES AIR TO COOL ELECTRONIC EQUIPEMENT ENCLOSURE; End Item Identification: SWITCHBOARD, SIGNAL DISTRIBUTION; Part Name Assigned by Controlling Agency: FAN, INSTALLATION. 3 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