PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5664PImpeller,pump,centrifugal

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-218-3454 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-3454 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-3454. Primary manufacturer part number: 5664P.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Design Type: SINGLE WIDTH
  • Hub Bore Diameter: 1.875 INCHES NOMINAL IN
  • Keyway Width: 0.375 INCHES NOMINAL IN
  • Overall Diameter: 9.250 INCHES NOMINAL IN
  • Rotation Direction for Which Designed: CLOCKWISE
  • Mounting Method: KEY
  • Keyway Type: RECTANGULAR
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Nickel Alloy construction
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-218-3454, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, 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
NSN4320-00-218-3454
Primary Part Number5664P
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Design TypeSINGLE WIDTH
Hub Bore Diameter1.875 INCHES NOMINAL IN
Keyway Width0.375 INCHES NOMINAL IN
Overall Diameter9.250 INCHES NOMINAL IN
Rotation Direction for Which DesignedCLOCKWISE
Mounting MethodKEY
Keyway TypeRECTANGULAR
Keyway Length3.000 INCHES NOMINAL IN
Keyway Depth0.141 INCHES NOMINAL IN
Hub Projection Length Beyond Wheel Side1.125 INCHES NOMINAL IN
Hub Quantity1
Keyway Quantity1
Blade Quantity6
Hub LocationCENTERED
Hub Length3.000 INCHES NOMINAL IN
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4320-00-218-34064310P INTERCHANGEABLE
Sleeve,shaft,pump
Curtiss-Wright Electro-Mechanical Corporation Div Epd
4320-00-218-3453 INTERCHANGEABLE
Impeller,pump,centrifugal
Cross-Reference Index
Part NumberManufacturer
5664P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
5664P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL-4221 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL-4221 PIECES 38,40,41 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL4221PC38-40-41 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL4221PC38-40-41 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL-4221 PIECES 38,40,41 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
4320-00-218-3406INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
4310P
4320-00-218-3453INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL

Frequently Asked Questions

What is NSN 4320-00-218-3454?

NSN 4320-00-218-3454 is a Impeller,pump,centrifugal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-218-3454?

NSN 4320-00-218-3454 has 7 cross-referenced part numbers: 5664P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 5664P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL-4221 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL-4221 PIECES 38,40,41 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL4221PC38-40-41 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 2 more.

What NSN replaces 4320-00-218-3454?

There are 2 known substitutes for 4320-00-218-3454: 4320-00-218-3406, 4320-00-218-3453. Verify interchangeability with system specifications before substitution.

What are the specifications of 5664P?

Key specifications for 5664P: Design Type: SINGLE WIDTH; Overall Width: 3.000 INCHES NOMINAL IN; Hub Bore Diameter: 1.875 INCHES NOMINAL IN; Keyway Width: 0.375 INCHES NOMINAL IN. 18 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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