PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581098Impeller,pump,centrifugal

Little Giant Pump Co · NSN 4320-00-415-9385 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-415-9385 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-415-9385. Primary manufacturer part number: 581098.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Rotation Direction for Which Designed: CLOCKWISE
  • Hub Length: 1.266 INCHES NOMINAL IN
  • Blade Type: BACKWARD CURVE
  • Material: PLASTIC AND STEEL
  • Hub Location: BACK SIDE
  • Design Type: SINGLE WIDTH
  • Hub Projection Length Beyond Wheel Side: 1.266 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Plastic and Steel construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-415-9385, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Little Giant Pump Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-415-9385
Primary Part Number581098
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerLittle Giant Pump Co
StatusACTIVE
Rotation Direction for Which DesignedCLOCKWISE
Hub Length1.266 INCHES NOMINAL IN
Blade TypeBACKWARD CURVE
MaterialPLASTIC AND STEEL
Hub LocationBACK SIDE
Design TypeSINGLE WIDTH
Hub Projection Length Beyond Wheel Side1.266 INCHES NOMINAL IN
Hub Bore Diameter0.260 INCHES NOMINAL IN
Blade Quantity4
Overall Diameter2.359 INCHES NOMINAL IN
Hub Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-156-486510028 INTERCHANGEABLE
Bearing,ball,annular
Klauer Manufacturing Company
5315-00-422-1610181121 INTERCHANGEABLE
Pin,straight,headless
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
181137 Little Giant Pump Co (USA)
181121 Little Giant Pump Co (USA)
581098 PRIMARY Little Giant Pump Co (USA)
Related Parts
3110-00-156-4865INTERCHANGEABLE
BEARING,BALL,ANNULAR
10028
5315-00-422-1610INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
181121

Frequently Asked Questions

What is NSN 4320-00-415-9385?

NSN 4320-00-415-9385 is a Impeller,pump,centrifugal, manufactured by Little Giant Pump Co, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-415-9385?

NSN 4320-00-415-9385 has 3 cross-referenced part numbers: 181137 (Little Giant Pump Co), 181121 (Little Giant Pump Co), 581098 (Little Giant Pump Co).

What NSN replaces 4320-00-415-9385?

There are 2 known substitutes for 4320-00-415-9385: 3110-00-156-4865, 5315-00-422-1610. Verify interchangeability with system specifications before substitution.

What are the specifications of 581098?

Key specifications for 581098: Rotation Direction for Which Designed: CLOCKWISE; Hub Length: 1.266 INCHES NOMINAL IN; Blade Type: BACKWARD CURVE; Material: PLASTIC AND STEEL. 12 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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