PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

873923-32Impeller,pump,centrifugal

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-218-3329 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-3329 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-3329. Primary manufacturer part number: 873923-32.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Overall Diameter: 4.500 INCHES NOMINAL IN
  • Keyway Length: 2.500 INCHES NOMINAL IN
  • Keyway Depth: 0.125 INCHES NOMINAL IN
  • Blade Quantity: 6
  • Hub Bore Diameter: 1.625 INCHES NOMINAL AND 0.752 INCHES NOMINAL IN
  • Hub Projection Length Beyond Wheel Side: 0.435 INCHES NOMINAL AND 2.798 INCHES NOMINAL IN
  • Keyway Width: 0.195 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-218-3329, 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 11 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-218-3329
Primary Part Number873923-32
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Overall Diameter4.500 INCHES NOMINAL IN
Keyway Length2.500 INCHES NOMINAL IN
Keyway Depth0.125 INCHES NOMINAL IN
Blade Quantity6
Hub Bore Diameter1.625 INCHES NOMINAL AND 0.752 INCHES NOMINAL IN
Hub Projection Length Beyond Wheel Side0.435 INCHES NOMINAL AND 2.798 INCHES NOMINAL IN
Keyway Width0.195 INCHES NOMINAL IN
Mounting MethodKEY
Keyway TypeRECTANGULAR
Hub Quantity2
Design TypeSINGLE WIDTH
Keyway Quantity1
Hub LocationBACK SIDE AND FRONT SIDE
Hub Length0.435 INCHES NOMINAL AND 2.798 INCHES NOMINAL IN
Blade TypeFORWARD CURVE
Rotation Direction for Which DesignedCOUNTERCLOCKWISE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-151-5483K91507 INTERCHANGEABLE
Washer,key
The Timken Corporation
5340-00-155-519210526 INTERCHANGEABLE
Bracket,angle
Titan Distribution Inc Dba Titan Tire
5310-00-208-4118 INTERCHANGEABLE
Nut,plain,hexagon
5330-00-460-2628 INTERCHANGEABLE
Gasket
5935-00-577-2337 INTERCHANGEABLE
Jack,tip
5945-00-723-7317 INTERCHANGEABLE
Relay,electromagnetic
6210-00-813-947610EN12 INTERCHANGEABLE
Screen,display
Safran Electronics & Defense, Avionics Usa, Llc
5130-01-034-9154105-26 INTERCHANGEABLE
Tool Kit,fastener Removal
Huck International, Inc. Div Kingston Operations
6760-01-289-6001 INTERCHANGEABLE
Tube,reflection Probe
5945-01-311-464910526 INTERCHANGEABLE
Relay,electromagnetic
Hamilton Sundstrand Corporation Dba Collins Aerospace
Cross-Reference Index
Part NumberManufacturer
1201P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL6054PC27 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5666PC27 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
873923-32 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL6064PC27 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
873923-32 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY-73923 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
127P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
873923-1J Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
10526 Rps-Fl, Inc. Dba Rps Inc (USA)
SL5893PC27 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5310-00-151-5483INTERCHANGEABLE
WASHER,KEY
K91507
5340-00-155-5192INTERCHANGEABLE
BRACKET,ANGLE
10526
5310-00-208-4118INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5330-00-460-2628INTERCHANGEABLE
GASKET
5935-00-577-2337INTERCHANGEABLE
JACK,TIP
5945-00-723-7317INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
6210-00-813-9476INTERCHANGEABLE
SCREEN,DISPLAY
10EN12
5130-01-034-9154INTERCHANGEABLE
TOOL KIT,FASTENER REMOVAL
105-26
6760-01-289-6001INTERCHANGEABLE
TUBE,REFLECTION PROBE
5945-01-311-4649INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10526
5325-01-438-3351INTERCHANGEABLE
RING,RETAINING
1201P
5310-01-602-6156INTERCHANGEABLE
WASHER,TONGUED
10-526

Frequently Asked Questions

What is NSN 4320-00-218-3329?

NSN 4320-00-218-3329 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 4320-00-218-3329?

NSN 4320-00-218-3329 has 11 cross-referenced part numbers: 1201P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL6054PC27 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5666PC27 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 873923-32 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL6064PC27 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 6 more.

What NSN replaces 4320-00-218-3329?

There are 12 known substitutes for 4320-00-218-3329: 5310-00-151-5483, 5340-00-155-5192, 5310-00-208-4118 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 873923-32?

Key specifications for 873923-32: Overall Diameter: 4.500 INCHES NOMINAL IN; Keyway Length: 2.500 INCHES NOMINAL IN; Keyway Depth: 0.125 INCHES NOMINAL IN; Blade Quantity: 6. 17 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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