PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SW4-1236Impeller,fan,axial

Brookside Corp · NSN 4140-00-493-9627 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-493-9627 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-493-9627. Primary manufacturer part number: SW4-1236.
Features
  • Impeller,fan,axial — FSC 4140
  • Material: ALUMINUM OVERALL
  • Diameter: 12.000 INCHES NOMINAL IN
  • Hub Location: CENTER
  • Blade Quantity: 4
  • Attachment Method: SETSCREW
  • Style Designator: OVERLAPPING ROUNDED TIP
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE BLADE MATERIAL,IMPELLER ROTATION DIRECTION,IMPELLER HUB STYLE,BORE DIA ANDSPECIAL FEATURES REQUIREMENTS
Applications
  • Applications requiring Aluminum Overall construction
General Description

The Impeller,fan,axial, cataloged under National Stock Number 4140-00-493-9627, 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 Brookside Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-493-9627
Primary Part NumberSW4-1236
Item NameImpeller,fan,axial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerBrookside Corp
StatusACTIVE
MaterialALUMINUM OVERALL
Diameter12.000 INCHES NOMINAL IN
Hub LocationCENTER
Blade Quantity4
Attachment MethodSETSCREW
Style DesignatorOVERLAPPING ROUNDED TIP
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE BLADE MATERIAL,IMPELLER ROTATION DIRECTION,IMPELLER HUB STYLE,BORE DIA ANDSPECIAL FEATURES REQUIREMENTS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
7490-00-153-9685 INTERCHANGEABLE
Address Plate Machine
5962-00-186-85162868672-1 INTERCHANGEABLE
Microcircuit,linear
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6150-00-246-66731957 INTERCHANGEABLE
Cable Assembly,power,electrical
Doers Associates Llc
4730-00-466-9409 INTERCHANGEABLE
Fitting,lubrication
5365-00-485-8291 INTERCHANGEABLE
Ring,externally Threaded
5905-00-539-4565 INTERCHANGEABLE
Resistor,fixed,film
2910-01-005-60231957 INTERCHANGEABLE
Fuel Line Assembly
Textron Lycoming Inc Williamsport Plant
5310-01-176-398395-81108 INTERCHANGEABLE
Washer,flat
Cnh Industrial America Llc Dba Cnh America
5340-01-212-93181957 INTERCHANGEABLE
Standoff,threaded,spacing
Keystone Electronics Corp
6105-01-570-90201957 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Buffalo Turbine Defense Llc
Cross-Reference Index
Part NumberManufacturer
SW4-1236 Brookside Corp (USA)
N1236-4 Regal-Beloit Corporation Dba Fasco Group Div Cassville Division (USA)
1957 Ni Industries Inc Thermador/waste King Div (USA)
Related Parts
7490-00-153-9685INTERCHANGEABLE
ADDRESS PLATE MACHINE
5962-00-186-8516INTERCHANGEABLE
MICROCIRCUIT,LINEAR
2868672-1
6150-00-246-6673INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
1957
4730-00-466-9409INTERCHANGEABLE
FITTING,LUBRICATION
5365-00-485-8291INTERCHANGEABLE
RING,EXTERNALLY THREADED
5905-00-539-4565INTERCHANGEABLE
RESISTOR,FIXED,FILM
2910-01-005-6023INTERCHANGEABLE
FUEL LINE ASSEMBLY
1957
5310-01-176-3983INTERCHANGEABLE
WASHER,FLAT
95-81108
5340-01-212-9318INTERCHANGEABLE
STANDOFF,THREADED,SPACING
1957
6105-01-570-9020INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
1957

Frequently Asked Questions

What is NSN 4140-00-493-9627?

NSN 4140-00-493-9627 is a Impeller,fan,axial, manufactured by Brookside Corp, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-493-9627?

NSN 4140-00-493-9627 has 3 cross-referenced part numbers: SW4-1236 (Brookside Corp), N1236-4 (Regal-Beloit Corporation Dba Fasco Group Div Cassville Division), 1957 (Ni Industries Inc Thermador/waste King Div).

What NSN replaces 4140-00-493-9627?

There are 10 known substitutes for 4140-00-493-9627: 7490-00-153-9685, 5962-00-186-8516, 6150-00-246-6673 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SW4-1236?

Key specifications for SW4-1236: Material: ALUMINUM OVERALL; Diameter: 12.000 INCHES NOMINAL IN; Hub Location: CENTER; Special Features: HUBLOCATED ON BACK OF FAN. 8 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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