PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28850Fan,vaneaxial

Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace · NSN 4140-01-308-5236 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-308-5236 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-308-5236. Primary manufacturer part number: 28850.
Features
  • Fan,vaneaxial — FSC 4140
  • Surface Treatment Document and Classification: MIL-A-8625, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING OUTSIDE
  • Surface Treatment: PAINT HOUSING
  • Drive Type: DIRECT
  • Air Flow Rate: 2170.0 CUBIC FEET PER MINUTE NOMINAL
  • Rotation Direction for Which Designed: COUNTERCLOCKWISE
  • Mounting Facility Type and Quantity: 2 FLANGE AND 12 THREADED HOLE(S)
  • Flow Direction: INWARD
Applications
  • Applications requiring Aluminum Alloy Housing Outside construction
General Description

The Fan,vaneaxial, cataloged under National Stock Number 4140-01-308-5236, 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 Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN4140-01-308-5236
Primary Part Number28850
Item NameFan,vaneaxial
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerSymetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
StatusACTIVE
Surface Treatment Document and ClassificationMIL-A-8625, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING OUTSIDE
Surface TreatmentPAINT HOUSING
Drive TypeDIRECT
Air Flow Rate2170.0 CUBIC FEET PER MINUTE NOMINAL
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Mounting Facility Type and Quantity2 FLANGE AND 12 THREADED HOLE(S)
Flow DirectionINWARD
Surface TreatmentANODIZE HOUSING OUTSIDE
MaterialALUMINUM ALLOY HOUSING OUTSIDE
Static Pressure at Specified Air Flow RateERR-060
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2530-00-678-5128 INTERCHANGEABLE
Cylinder,hydraulic Brake,wheel
3040-00-879-3692574576-1 INTERCHANGEABLE
Gearshaft,amplifier
Raytheon Company Dba Raytheon
3020-01-050-350928850 INTERCHANGEABLE
Gear,drive Motion
Moog Inc. Dba Ampac-Isp Corp
4730-01-354-271428-850 INTERCHANGEABLE
Clamp,hose
Gt Exhaust Systems Inc
4710-01-382-874629336 INTERCHANGEABLE
Tube Assembly,metal
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
4710-01-383-408429335 INTERCHANGEABLE
Tube Assembly,metal
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Cross-Reference Index
Part NumberManufacturer
5747961-007 Naval Sea Systems Command (USA)
5749761 Naval Sea Systems Command (USA)
28850 Rockwell Intl Corp Graphic Systems Div (USA)
28850 Ge Aviation Systems Llc Dba Ge Aviation (USA)
28850 PRIMARY Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace (USA)
28850 PRIMARY Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
5749761-007 Textron Systems Corp (USA)
Related Parts
2530-00-678-5128INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,WHEEL
3040-00-879-3692INTERCHANGEABLE
GEARSHAFT,AMPLIFIER
574576-1
3020-01-050-3509INTERCHANGEABLE
GEAR,DRIVE MOTION
28850
4730-01-354-2714INTERCHANGEABLE
CLAMP,HOSE
28-850
4710-01-382-8746INTERCHANGEABLE
TUBE ASSEMBLY,METAL
29336
4710-01-383-4084INTERCHANGEABLE
TUBE ASSEMBLY,METAL
29335

Frequently Asked Questions

What is NSN 4140-01-308-5236?

NSN 4140-01-308-5236 is a Fan,vaneaxial, manufactured by Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-308-5236?

NSN 4140-01-308-5236 has 7 cross-referenced part numbers: 5747961-007 (Naval Sea Systems Command), 5749761 (Naval Sea Systems Command), 28850 (Rockwell Intl Corp Graphic Systems Div), 28850 (Ge Aviation Systems Llc Dba Ge Aviation), 28850 (Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace) and 2 more.

What NSN replaces 4140-01-308-5236?

There are 6 known substitutes for 4140-01-308-5236: 2530-00-678-5128, 3040-00-879-3692, 3020-01-050-3509 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28850?

Key specifications for 28850: Surface Treatment Document and Classification: MIL-A-8625, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HOUSING OUTSIDE; Surface Treatment: PAINT HOUSING; Drive Type: DIRECT; Air Flow Rate: 2170.0 CUBIC FEET PER MINUTE NOMINAL. 11 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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