PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

021636Fan,centrifugal

Rotron Incorporated · NSN 4140-00-804-0561 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-804-0561 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-804-0561. Primary manufacturer part number: 021636.
Features
  • Fan,centrifugal — FSC 4140
  • Environmental Protection: FUNGUS PROOF AND HUMIDITY PROOF AND SALT SPRAY RESISTANT
  • Prime Mover Type: ELECTRIC MOTOR
  • Electrical Connection Type: WIRE LEAD
  • Width: 3.344 INCHES NOMINAL IN
  • Outlet Inside Height: 1.250 INCHES NOMINAL IN
  • Outlet Inside Width: 1.375 INCHES NOMINAL IN
  • Prime Mover Power Rating: 0.010 HORSEPOWER
Applications
  • Applications requiring Steel Blade construction
General Description

The Fan,centrifugal, cataloged under National Stock Number 4140-00-804-0561, 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 Rotron Incorporated. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-00-804-0561
Primary Part Number021636
Item NameFan,centrifugal
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Environmental ProtectionFUNGUS PROOF AND HUMIDITY PROOF AND SALT SPRAY RESISTANT
Prime Mover TypeELECTRIC MOTOR
Electrical Connection TypeWIRE LEAD
Width3.344 INCHES NOMINAL IN
Outlet Inside Height1.250 INCHES NOMINAL IN
Outlet Inside Width1.375 INCHES NOMINAL IN
Prime Mover Power Rating0.010 HORSEPOWER
Length3.250 INCHES NOMINAL IN
Prime Mover Drive Shaft Bearing TypeBALL
Surface TreatmentCADMIUM BLADE
MaterialSTEEL BLADE
Style DesignatorFIXED, RECTANGULAR OUTLETS
Discharge DirectionVERTICAL DOWN
MaterialPLASTIC PHENOLIC HOUSING
Inclosure TypeFULLY INCLOSED
Stage Quantity1
Outlet LocationBOTTOM
Operating Speed at Rated Capacity in RPM9500.0
Voltage in Volts and Current Type200.0 AC
Ambient Temp at Full Rated Power65.0 CELSIUS DEGC
Drive TypeDIRECT
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
PhaseTHREE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1670-00-086-788611-1-76 INTERCHANGEABLE
Link Space Assembly
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5961-00-100-6335 INTERCHANGEABLE
Transistor
6625-00-160-877110340 INTERCHANGEABLE
Voltmeter
Simpson Electric Company, Inc.
5120-00-221-15061570 INTERCHANGEABLE
Caps,vise Jaw
Reed Manufacturing Company
4935-00-228-646310340 INTERCHANGEABLE
Housing,focal Test
Lockheed Martin Corp Electronics and Missiles Div
2920-00-362-05830155613-00 INTERCHANGEABLE
Cap,ignition Distribution
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5999-00-434-5475 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5310-00-770-439910339 INTERCHANGEABLE
Washer,flat
Grimes Aerospace Company
5365-00-786-651717385P INTERCHANGEABLE
Bushing,tapered
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5365-00-846-9453G10340 INTERCHANGEABLE
Shim
Cnh Industrial America Llc Dba Cnh America
Cross-Reference Index
Part NumberManufacturer
021636 PRIMARY Rotron Incorporated (USA)
11176 Cooper Industries Inc Champion Aviation Products (USA)
10340 Cooper Industries Inc Champion Aviation Products (USA)
10339 Cooper Industries Inc Champion Aviation Products (USA)
A0-6640 Rotron Incorporated (USA)
DRFP-RS1504CCW-164Q1 Rotron Incorporated (USA)
Related Parts
1670-00-086-7886INTERCHANGEABLE
LINK SPACE ASSEMBLY
11-1-76
5961-00-100-6335INTERCHANGEABLE
TRANSISTOR
6625-00-160-8771INTERCHANGEABLE
VOLTMETER
10340
5120-00-221-1506INTERCHANGEABLE
CAPS,VISE JAW
1570
4935-00-228-6463INTERCHANGEABLE
HOUSING,FOCAL TEST
10340
2920-00-362-0583INTERCHANGEABLE
CAP,IGNITION DISTRIBUTION
0155613-00
5999-00-434-5475INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5310-00-770-4399INTERCHANGEABLE
WASHER,FLAT
10339
5365-00-786-6517INTERCHANGEABLE
BUSHING,TAPERED
17385P
5365-00-846-9453INTERCHANGEABLE
SHIM
G10340
5930-00-885-6246INTERCHANGEABLE
RETAINER,ELECTRICAL SWITCH
3110-00-912-0366INTERCHANGEABLE
BEARING
10339

Frequently Asked Questions

What is NSN 4140-00-804-0561?

NSN 4140-00-804-0561 is a Fan,centrifugal, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-804-0561?

NSN 4140-00-804-0561 has 6 cross-referenced part numbers: 021636 (Rotron Incorporated), 11176 (Cooper Industries Inc Champion Aviation Products), 10340 (Cooper Industries Inc Champion Aviation Products), 10339 (Cooper Industries Inc Champion Aviation Products), A0-6640 (Rotron Incorporated) and 1 more.

What NSN replaces 4140-00-804-0561?

There are 12 known substitutes for 4140-00-804-0561: 1670-00-086-7886, 5961-00-100-6335, 6625-00-160-8771 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 021636?

Key specifications for 021636: Environmental Protection: FUNGUS PROOF AND HUMIDITY PROOF AND SALT SPRAY RESISTANT; Prime Mover Type: ELECTRIC MOTOR; Electrical Connection Type: WIRE LEAD; Width: 3.344 INCHES NOMINAL IN. 23 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