PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3706-462Impeller,pump,centrifugal

Weil Pump Co Inc · NSN 4320-01-230-9076 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-230-9076 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-230-9076. Primary manufacturer part number: 3706-462.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Blade Quantity: 5
  • Overall Diameter: 4.620 INCHES NOMINAL IN
  • Hub Projection Length Beyond Wheel Side: 0.750 INCHES NOMINAL IN
  • Hub Quantity: 2
  • Design Type: SINGLE WIDTH
  • Rotation Direction for Which Designed: CLOCKWISE
  • Keyway Type: RECTANGULAR
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-01-230-9076, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Weil Pump Co Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-230-9076
Primary Part Number3706-462
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWeil Pump Co Inc
StatusACTIVE
Blade Quantity5
Overall Diameter4.620 INCHES NOMINAL IN
Hub Projection Length Beyond Wheel Side0.750 INCHES NOMINAL IN
Hub Quantity2
Design TypeSINGLE WIDTH
Rotation Direction for Which DesignedCLOCKWISE
Keyway TypeRECTANGULAR
Size Designator3/16-18NC
Hub Bore Diameter1.750 INCHES NOMINAL IN
Hub LocationBACK SIDE
Blade TypeFORWARD CURVE
Setscrew Quantity2
Mounting MethodKEY AND SETSCREW
MaterialCOPPER ALLOY
Keyway Width0.188 INCHES NOMINAL IN
Keyway Depth0.094 INCHES NOMINAL IN
Hub Length1.062 INCHES NOMINAL IN
Keyway Length1.250 INCHES NOMINAL IN
Keyway Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5999-00-225-23202528395 INTERCHANGEABLE
Contact,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
4320-01-230-89964090 INTERCHANGEABLE
Deflector,dirt and Liquid
Weil Pump Co Inc
8455-01-325-8792 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-325-8793 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-528-8966 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-659-8597 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-700-3631 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
A1774 Weil Pump Co Inc (USA)
3706-462 PRIMARY Weil Pump Co Inc (USA)
A1447-2 PIECE 35 Weil Pump Co Inc (USA)
A1774 PIECE 35 Weil Pump Co Inc (USA)
Related Parts
5999-00-225-2320INTERCHANGEABLE
CONTACT,ELECTRICAL
2528395
4320-01-230-8996INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
4090
8455-01-325-8792INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-325-8793INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-528-8966INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-659-8597INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-700-3631INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 4320-01-230-9076?

NSN 4320-01-230-9076 is a Impeller,pump,centrifugal, manufactured by Weil Pump Co Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-230-9076?

NSN 4320-01-230-9076 has 4 cross-referenced part numbers: A1774 (Weil Pump Co Inc), 3706-462 (Weil Pump Co Inc), A1447-2 PIECE 35 (Weil Pump Co Inc), A1774 PIECE 35 (Weil Pump Co Inc).

What NSN replaces 4320-01-230-9076?

There are 7 known substitutes for 4320-01-230-9076: 5999-00-225-2320, 4320-01-230-8996, 8455-01-325-8792 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3706-462?

Key specifications for 3706-462: Blade Quantity: 5; Overall Diameter: 4.620 INCHES NOMINAL IN; Hub Projection Length Beyond Wheel Side: 0.750 INCHES NOMINAL IN; Hub Quantity: 2. 21 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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