PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4YD82Guard,fan Impeller

W.w. Grainger, Inc. Div Government Sales Division · NSN 4140-01-255-4759 · FSC 4140 · No Item Name Available
Verified by PartsTable
NSN 4140-01-255-4759 — this item is cataloged by the U.S. Government under National Stock Number 4140-01-255-4759. Primary manufacturer part number: 4YD82.
Features
  • Guard,fan Impeller — FSC 4140
  • Shape: ROUND
  • Overall Diameter: 8.750 INCHES NOMINAL IN
  • Body Material: STEEL
  • Surface Treatment: CHROMATE
  • Mounting Method: HOLE
  • 3 verified cross-references
  • Primary manufacturer: W.w. Grainger, Inc. Div Government Sales Division
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Guard,fan Impeller, cataloged under National Stock Number 4140-01-255-4759, 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 W.w. Grainger, Inc. Div Government Sales Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4140-01-255-4759
Primary Part Number4YD82
Item NameGuard,fan Impeller
FSC / FSG4140 / 41 — No Item Name Available
ManufacturerW.w. Grainger, Inc. Div Government Sales Division
StatusACTIVE
ShapeROUND
Overall Diameter8.750 INCHES NOMINAL IN
Body MaterialSTEEL
Surface TreatmentCHROMATE
Mounting MethodHOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-146-4814 INTERCHANGEABLE
Transformer,power
3120-00-496-4752 INTERCHANGEABLE
Bushing,sleeve
5305-01-208-6720 INTERCHANGEABLE
Screw,cap,hexagon Head
Cross-Reference Index
Part NumberManufacturer
23697 Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
4C742 W.w. Grainger, Inc. Div Government Sales Division (USA)
4YD82 PRIMARY W.w. Grainger, Inc. Div Government Sales Division (USA)
Related Parts
5950-00-146-4814INTERCHANGEABLE
TRANSFORMER,POWER
3120-00-496-4752INTERCHANGEABLE
BUSHING,SLEEVE
5305-01-208-6720INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD

Frequently Asked Questions

What is NSN 4140-01-255-4759?

NSN 4140-01-255-4759 is a Guard,fan Impeller, manufactured by W.w. Grainger, Inc. Div Government Sales Division, classified under FSC 4140 (No Item Name Available). Status: active.

What are the part numbers for NSN 4140-01-255-4759?

NSN 4140-01-255-4759 has 3 cross-referenced part numbers: 23697 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc), 4C742 (W.w. Grainger, Inc. Div Government Sales Division), 4YD82 (W.w. Grainger, Inc. Div Government Sales Division).

What NSN replaces 4140-01-255-4759?

There are 3 known substitutes for 4140-01-255-4759: 5950-00-146-4814, 3120-00-496-4752, 5305-01-208-6720. Verify interchangeability with system specifications before substitution.

What are the specifications of 4YD82?

Key specifications for 4YD82: Shape: ROUND; Overall Diameter: 8.750 INCHES NOMINAL IN; Body Material: STEEL; Surface Treatment: CHROMATE. 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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