PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

476730Guard,fan Impeller

Rotron Incorporated · NSN 4140-00-136-9214 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-00-136-9214 — this item is cataloged by the U.S. Government under National Stock Number 4140-00-136-9214. Primary manufacturer part number: 476730.
Features
  • Guard,fan Impeller — FSC 4140
  • Overall Diameter: 3.680 INCHES NOMINAL IN
  • Body Material: PLASTIC POLYCARBONATE
  • Mounting Method: MACHINE SCREW
  • Shape: ROUND
  • 4 verified cross-references
  • Primary manufacturer: Rotron Incorporated
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard,fan Impeller, cataloged under National Stock Number 4140-00-136-9214, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4140-00-136-9214
Primary Part Number476730
Item NameGuard,fan Impeller
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerRotron Incorporated
StatusACTIVE
Overall Diameter3.680 INCHES NOMINAL IN
Body MaterialPLASTIC POLYCARBONATE
Mounting MethodMACHINE SCREW
ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3110-00-144-8542 INTERCHANGEABLE
Bearing,ball,annular
3110-00-156-6757G10531P11 INTERCHANGEABLE
Bearing,ball,annular
Siemens Energy, Inc.
3120-00-288-5914 INTERCHANGEABLE
Bearing,sleeve
5945-00-346-1704SM-D-321672 INTERCHANGEABLE
Relay Assembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4820-01-050-907620303 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5365-01-165-262220303 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
6515-01-291-301120303 INTERCHANGEABLE
Clip,nose,spirometry
Vitalograph Inc
6240-01-463-5858 INTERCHANGEABLE
Lamp,fluorescent
5998-01-515-246320303 INTERCHANGEABLE
Holder,electrical Card
Acterna Llc Dba Jdsu
5120-01-601-562720303 INTERCHANGEABLE
Wrench,torque
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
1013527P14 Raytheon Company Dba Raytheon (USA)
20303 Rotron Controls Div Rotron Inc (USA)
20303 Rotron Incorporated (USA)
476730 PRIMARY Rotron Incorporated (USA)
Related Parts
3110-00-144-8542INTERCHANGEABLE
BEARING,BALL,ANNULAR
3110-00-156-6757INTERCHANGEABLE
BEARING,BALL,ANNULAR
G10531P11
3120-00-288-5914INTERCHANGEABLE
BEARING,SLEEVE
5945-00-346-1704INTERCHANGEABLE
RELAY ASSEMBLY
SM-D-321672
4820-01-050-9076INTERCHANGEABLE
VALVE,SAFETY RELIEF
20303
5365-01-165-2622INTERCHANGEABLE
SHIM
20303
6515-01-291-3011INTERCHANGEABLE
CLIP,NOSE,SPIROMETRY
20303
6240-01-463-5858INTERCHANGEABLE
LAMP,FLUORESCENT
5998-01-515-2463INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
20303
5120-01-601-5627INTERCHANGEABLE
WRENCH,TORQUE
20303

Frequently Asked Questions

What is NSN 4140-00-136-9214?

NSN 4140-00-136-9214 is a Guard,fan Impeller, manufactured by Rotron Incorporated, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-00-136-9214?

NSN 4140-00-136-9214 has 4 cross-referenced part numbers: 1013527P14 (Raytheon Company Dba Raytheon), 20303 (Rotron Controls Div Rotron Inc), 20303 (Rotron Incorporated), 476730 (Rotron Incorporated).

What NSN replaces 4140-00-136-9214?

There are 10 known substitutes for 4140-00-136-9214: 3110-00-144-8542, 3110-00-156-6757, 3120-00-288-5914 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 476730?

Key specifications for 476730: Overall Diameter: 3.680 INCHES NOMINAL IN; Body Material: PLASTIC POLYCARBONATE; Mounting Method: MACHINE SCREW; End Item Identification: CENTRIMAX MODEL CX29 AND CX33. 5 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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