PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

OA109AP-11-1TBFan,tubeaxial

Knight Electronics, Inc Div Orion Fans · NSN 4140-00-104-2655 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-104-2655 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-104-2655. Primary manufacturer part number: OA109AP-11-1TB.
Features
  • Fan,tubeaxial — FSC 4140
  • Operating Speed at Rated Capacity in RPM: 3300.0
  • Electrical Connection Type: TERMINAL
  • Ambient Temp at Full Rated Power: -54.0 CELSIUS AND 100.0 CELSIUS DEGC
  • Housing Inside Diameter: 4.500 INCHES NOMINAL IN
  • Drive Type: DIRECT
  • Voltage in Volts and Current Type: 115.0 AC
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
Applications
  • Applications requiring Plastic Phenolic Housing construction
General Description

The Fan,tubeaxial, cataloged under National Stock Number 4140-00-104-2655, 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 Knight Electronics, Inc Div Orion Fans. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, 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
NSN4140-00-104-2655
Primary Part NumberOA109AP-11-1TB
Item NameFan,tubeaxial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerKnight Electronics, Inc Div Orion Fans
StatusACTIVE
Operating Speed at Rated Capacity in RPM3300.0
Electrical Connection TypeTERMINAL
Ambient Temp at Full Rated Power-54.0 CELSIUS AND 100.0 CELSIUS DEGC
Housing Inside Diameter4.500 INCHES NOMINAL IN
Drive TypeDIRECT
Voltage in Volts and Current Type115.0 AC
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Style DesignatorFIXED
Frequency in Hertz50.0 AND 60.0
Speed AdjustmentsSINGLE SPEED
Prime Mover Drive Shaft Bearing TypeBALL
MaterialPLASTIC PHENOLIC HOUSING
Air Flow Rate75.0 CUBIC FEET PER MINUTE NOMINAL
MaterialPLASTIC BLADE
Prime Mover Power Rating14.0 WATTS
Prime Mover TypeELECTRIC MOTOR
Mounting Facility Type and Quantity2 FLANGE AND 8 UNTHREADED HOLE(S)
PhaseSINGLE
Length2.290 INCHES NOMINAL IN
Flow DirectionOUTWARD
Inclosure TypeFULLY INCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4140-00-505-0312 INTERCHANGEABLE
Fan,tubeaxial
4140-00-789-254314087-004 INTERCHANGEABLE
Fan,tubeaxial
Dynalec Corporation
4130-00-909-8130 INTERCHANGEABLE
Filter Element,air Conditioning
4140-01-171-5979B5890 INTERCHANGEABLE
Fan,tubeaxial
Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
4140-01-495-5623OA109AP-11-1TB INTERCHANGEABLE
Fan,centrifugal
Rco Sales, Inc.
Cross-Reference Index
Part NumberManufacturer
SENTINELFILTERFAN747 Rotron Incorporated (USA)
028027W/477712 Rotron Incorporated (USA)
020138WITH47712 Rotron Incorporated (USA)
S747WITH477712 Rotron Incorporated (USA)
028027W/477712 Comair Rotron Inc Sub of Kl Industries Inc (USA)
MU2B1 Rotron Incorporated (USA)
950A847 Northrop Grumman Systems Corporation Dba Electronic Systems (USA)
S209-5315 Psi-Peripheral Support (USA)
MU2B1 Comair Rotron Inc Sub of Kl Industries Inc (USA)
OA109AP-11-1TB PRIMARY Knight Electronics, Inc Div Orion Fans (USA)
Related Parts
4140-00-505-0312INTERCHANGEABLE
FAN,TUBEAXIAL
4140-00-789-2543INTERCHANGEABLE
FAN,TUBEAXIAL
14087-004
4130-00-909-8130INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
4140-01-171-5979INTERCHANGEABLE
FAN,TUBEAXIAL
B5890
4140-01-495-5623INTERCHANGEABLE
FAN,CENTRIFUGAL
OA109AP-11-1TB

Frequently Asked Questions

What is NSN 4140-00-104-2655?

NSN 4140-00-104-2655 is a Fan,tubeaxial, manufactured by Knight Electronics, Inc Div Orion Fans, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-104-2655?

NSN 4140-00-104-2655 has 10 cross-referenced part numbers: SENTINELFILTERFAN747 (Rotron Incorporated), 028027W/477712 (Rotron Incorporated), 020138WITH47712 (Rotron Incorporated), S747WITH477712 (Rotron Incorporated), 028027W/477712 (Comair Rotron Inc Sub of Kl Industries Inc) and 5 more.

What NSN replaces 4140-00-104-2655?

There are 5 known substitutes for 4140-00-104-2655: 4140-00-505-0312, 4140-00-789-2543, 4130-00-909-8130 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of OA109AP-11-1TB?

Key specifications for OA109AP-11-1TB: Operating Speed at Rated Capacity in RPM: 3300.0; Electrical Connection Type: TERMINAL; Ambient Temp at Full Rated Power: -54.0 CELSIUS AND 100.0 CELSIUS DEGC; Housing Inside Diameter: 4.500 INCHES NOMINAL IN. 22 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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