PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102641Impeller,fan,centrifugal

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 4140-00-651-5789 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-651-5789 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-651-5789. Primary manufacturer part number: 102641.
Features
  • Impeller,fan,centrifugal — FSC 4140
  • Attachment Method: SETSCREW
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • Blade Quantity: 24
  • Style Designator: CURVED BLADES SINGLE WIDTH
  • Material: STEEL OVERALL
  • Width: 0.969 INCHES NOMINAL IN
  • Diameter: 2.000 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Impeller,fan,centrifugal, cataloged under National Stock Number 4140-00-651-5789, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 7 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-651-5789
Primary Part Number102641
Item NameImpeller,fan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Attachment MethodSETSCREW
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Blade Quantity24
Style DesignatorCURVED BLADES SINGLE WIDTH
MaterialSTEEL OVERALL
Width0.969 INCHES NOMINAL IN
Diameter2.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-010-2641 INTERCHANGEABLE
Nut,plain,hexagon
5910-00-667-492204-1609 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Thermo King Corporation Dba Phoenix Global Distirbution.
3020-00-971-2048102641 INTERCHANGEABLE
Gear Cluster
L3harris Technologies, Inc Div Space & Airborne Systems
8145-01-015-240813414-503 INTERCHANGEABLE
Reusable Container
Naval Inventory Control Point
5996-01-021-0143102641 INTERCHANGEABLE
Amplifier Assembly
Aimtron Systems, Llc
5340-01-522-141810-2641 INTERCHANGEABLE
Lever,manual Control
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
2 BLOWER WHEEL Ripley Co Inc (USA)
102641 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5310-00-010-2641INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5910-00-667-4922INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
04-1609
3020-00-971-2048INTERCHANGEABLE
GEAR CLUSTER
102641
8145-01-015-2408INTERCHANGEABLE
REUSABLE CONTAINER
13414-503
5996-01-021-0143INTERCHANGEABLE
AMPLIFIER ASSEMBLY
102641
5340-01-522-1418INTERCHANGEABLE
LEVER,MANUAL CONTROL
10-2641

Frequently Asked Questions

What is NSN 4140-00-651-5789?

NSN 4140-00-651-5789 is a Impeller,fan,centrifugal, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-651-5789?

NSN 4140-00-651-5789 has 2 cross-referenced part numbers: 2 BLOWER WHEEL (Ripley Co Inc), 102641 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 4140-00-651-5789?

There are 6 known substitutes for 4140-00-651-5789: 5310-00-010-2641, 5910-00-667-4922, 3020-00-971-2048 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102641?

Key specifications for 102641: Attachment Method: SETSCREW; Rotation Direction for Which Designed: COUNTERCLOCKWISE; Blade Quantity: 24; Style Designator: CURVED BLADES SINGLE WIDTH. 7 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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