PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

021704Fan,circulating

Rotron Incorporated · NSN 4140-00-541-4186 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-541-4186 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-541-4186. Primary manufacturer part number: 021704.
Features
  • Fan,circulating — FSC 4140
  • Style Designator: FIXED
  • Flow Direction: INWARD
  • Mounting Facility Type and Quantity: 1 FLANGE AND 8 UNTHREADED HOLE(S)
  • Frequency in Hertz: 50.0 AND 60.0
  • Static Pressure at Specified Air Flow Rate: ERR-060
  • Operating Speed at Rated Capacity in RPM: 1650.0
  • Drive Type: DIRECT
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Fan,circulating, cataloged under National Stock Number 4140-00-541-4186, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4140-00-541-4186
Primary Part Number021704
Item NameFan,circulating
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusCANCELLED
Style DesignatorFIXED
Flow DirectionINWARD
Mounting Facility Type and Quantity1 FLANGE AND 8 UNTHREADED HOLE(S)
Frequency in Hertz50.0 AND 60.0
Static Pressure at Specified Air Flow RateERR-060
Operating Speed at Rated Capacity in RPM1650.0
Drive TypeDIRECT
Electrical Connection TypeWIRE LEAD
PhaseSINGLE
Voltage in Volts and Current Type115.0 AC
Prime Mover TypeELECTRIC MOTOR
Rotation Direction for Which DesignedCLOCKWISE
Inclosure TypeFULLY INCLOSED
Prime Mover Power Rating0.013 HORSEPOWER
Air Flow Rate500.0 CUBIC FEET PER MINUTE NOMINAL
Prime Mover Drive Shaft Bearing TypeBALL
Environmental ProtectionHUMIDITY PROOF AND SHOCK PROOF AND VIBRATION PROOF
Length6.250 INCHES NOMINAL IN
MaterialALUMINUM ALLOY OVERALL
Surface TreatmentENAMEL HOUSING
Speed AdjustmentsSINGLE SPEED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5940-00-171-0842410 GP Y 14 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
4820-01-130-8560180297 INTERCHANGEABLE
Seat,valve
Marotta Controls Inc
5310-01-208-6685021704 INTERCHANGEABLE
Washer,lock
Fairbanks Morse, Llc
3920-01-219-85153331-4 INTERCHANGEABLE
Capsule,dummy Nitrogen
Rockwell Collins Inc
6530-01-502-755112348 INTERCHANGEABLE
Pouch,sterilization
Advanced Sterilization Products Services Inc.
4030-01-557-428533314 INTERCHANGEABLE
Swivel and Link Assembly
Mjt Holdings Llc
3419-01-628-9260 INTERCHANGEABLE
Bushing,keyway
Cross-Reference Index
Part NumberManufacturer
L221405-1 Raytheon Company Dba Raytheon Co (USA)
021704 PRIMARY Rotron Incorporated (USA)
HF-LS802R-268AS Rotron Incorporated (USA)
A7W13Q-18 Ashland Electric Products Inc (USA)
F7B13N1C Eastern Air Devices Inc Dba Ead Motors (USA)
HF-LS802-R-268AF Rotron Incorporated (USA)
A0-4973A Rotron Incorporated (USA)
33-31-4 Arc Systems Inc (USA)
NBCL13F1 Aeroflex Laboratories Inc Rotating Components Div (USA)
Related Parts
5940-00-171-0842INTERCHANGEABLE
TERMINAL BOARD
410 GP Y 14
4820-01-130-8560INTERCHANGEABLE
SEAT,VALVE
180297
5310-01-208-6685INTERCHANGEABLE
WASHER,LOCK
021704
3920-01-219-8515INTERCHANGEABLE
CAPSULE,DUMMY NITROGEN
3331-4
6530-01-502-7551INTERCHANGEABLE
POUCH,STERILIZATION
12348
4030-01-557-4285INTERCHANGEABLE
SWIVEL AND LINK ASSEMBLY
33314
3419-01-628-9260INTERCHANGEABLE
BUSHING,KEYWAY

Frequently Asked Questions

What is NSN 4140-00-541-4186?

NSN 4140-00-541-4186 is a Fan,circulating, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4140-00-541-4186?

NSN 4140-00-541-4186 has 9 cross-referenced part numbers: L221405-1 (Raytheon Company Dba Raytheon Co), 021704 (Rotron Incorporated), HF-LS802R-268AS (Rotron Incorporated), A7W13Q-18 (Ashland Electric Products Inc), F7B13N1C (Eastern Air Devices Inc Dba Ead Motors) and 4 more.

What NSN replaces 4140-00-541-4186?

There are 7 known substitutes for 4140-00-541-4186: 5940-00-171-0842, 4820-01-130-8560, 5310-01-208-6685 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 021704?

Key specifications for 021704: Style Designator: FIXED; Flow Direction: INWARD; Mounting Facility Type and Quantity: 1 FLANGE AND 8 UNTHREADED HOLE(S); Frequency in Hertz: 50.0 AND 60.0. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4140-00-541-4186 still in active supply?

NSN 4140-00-541-4186 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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