PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12638Impeller,fan,centrifugal

Sonic Air Systems, Inc. · NSN 4140-01-616-8544 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-616-8544 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-616-8544. Primary manufacturer part number: 12638.
Features
  • Impeller,fan,centrifugal — FSC 4140
  • 1 verified cross-reference
  • Primary manufacturer: Sonic Air Systems, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-01-616-8544, 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 Sonic Air Systems, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-616-8544
Primary Part Number12638
Item NameImpeller,fan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerSonic Air Systems, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4540-00-080-9881 INTERCHANGEABLE
Bearing Assembly Kit
3020-01-107-4035 INTERCHANGEABLE
Plate,transmission
2520-01-356-919712638 INTERCHANGEABLE
Transfer Transmission Assembly
New Venture Gear Inc New Process Gear Div
3040-01-381-329512638 INTERCHANGEABLE
Connecting Link,rigid
Aerosonic Llc
2950-01-677-538612638 INTERCHANGEABLE
Turbo Supercharger,engine,non-Ai
Banks Technologies
Cross-Reference Index
Part NumberManufacturer
12638 PRIMARY Sonic Air Systems, Inc. (USA)
Related Parts
4540-00-080-9881INTERCHANGEABLE
BEARING ASSEMBLY KIT
3020-01-107-4035INTERCHANGEABLE
PLATE,TRANSMISSION
2520-01-356-9197INTERCHANGEABLE
TRANSFER TRANSMISSION ASSEMBLY
12638
3040-01-381-3295INTERCHANGEABLE
CONNECTING LINK,RIGID
12638
2950-01-677-5386INTERCHANGEABLE
TURBO SUPERCHARGER,ENGINE,NON-AI
12638

Frequently Asked Questions

What is NSN 4140-01-616-8544?

NSN 4140-01-616-8544 is a Impeller,fan,centrifugal, manufactured by Sonic Air Systems, Inc., classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-616-8544?

NSN 4140-01-616-8544 has 1 cross-referenced part number: 12638 (Sonic Air Systems, Inc.).

What NSN replaces 4140-01-616-8544?

There are 5 known substitutes for 4140-01-616-8544: 4540-00-080-9881, 3020-01-107-4035, 2520-01-356-9197 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12638?

Key specifications for 12638: Part Name Assigned by Controlling Agency: IMPELLER; End Item Identification: BLOWER ASSEMBLY. 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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