PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50640 REV B ITEM 15A 6-4609Impeller,fan,axial

Cospolich Inc. · NSN 4140-01-513-1914 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-513-1914 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-513-1914. Primary manufacturer part number: 50640 REV B ITEM 15A 6-4609.
Features
  • Impeller,fan,axial — FSC 4140
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • Blade Quantity: 5
  • 2 verified cross-references
  • Primary manufacturer: Cospolich Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-01-513-1914, 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 Cospolich Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4140-01-513-1914
Primary Part Number50640 REV B ITEM 15A 6-4609
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerCospolich Inc.
StatusACTIVE
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Blade Quantity5
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5130-01-398-2419KD-440 INTERCHANGEABLE
Shears,metal Cutting,electric
Kett Tool Company (inc)
Cross-Reference Index
Part NumberManufacturer
50640 REV B ITEM 15A 6-4609 PRIMARY Cospolich Inc. (USA)
6-4609 Gulf and Western Mfg Co Bohn Heat Transfer Group (USA)
Related Parts
5130-01-398-2419INTERCHANGEABLE
SHEARS,METAL CUTTING,ELECTRIC
KD-440

Frequently Asked Questions

What is NSN 4140-01-513-1914?

NSN 4140-01-513-1914 is a Impeller,fan,axial, manufactured by Cospolich Inc., classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-513-1914?

NSN 4140-01-513-1914 has 2 cross-referenced part numbers: 50640 REV B ITEM 15A 6-4609 (Cospolich Inc.), 6-4609 (Gulf and Western Mfg Co Bohn Heat Transfer Group).

What NSN replaces 4140-01-513-1914?

There is 1 known substitute for 4140-01-513-1914: 5130-01-398-2419. Verify interchangeability with system specifications before substitution.

What are the specifications of 50640 REV B ITEM 15A 6-4609?

Key specifications for 50640 REV B ITEM 15A 6-4609: Rotation Direction for Which Designed: COUNTERCLOCKWISE; Blade Quantity: 5. 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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