PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18174PImpeller,pump,centrifugal

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging · NSN 4320-00-915-3349 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-915-3349 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-915-3349. Primary manufacturer part number: 18174P.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • Blade Type: FORWARD CURVE
  • Overall Diameter: 6.250 INCHES NOMINAL IN
  • Hub Location: BACK SIDE AND FRONT SIDE
  • Keyway Quantity: 1
  • Hub Length: 0.625 INCHES NOMINAL AND 0.344 INCHES NOMINAL IN
  • Blade Quantity: 5
  • Keyway Width: 0.188 INCHES NOMINAL IN
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 4320-00-915-3349, 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 Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-915-3349
Primary Part Number18174P
Item NameImpeller,pump,centrifugal
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging
StatusACTIVE
Blade TypeFORWARD CURVE
Overall Diameter6.250 INCHES NOMINAL IN
Hub LocationBACK SIDE AND FRONT SIDE
Keyway Quantity1
Hub Length0.625 INCHES NOMINAL AND 0.344 INCHES NOMINAL IN
Blade Quantity5
Keyway Width0.188 INCHES NOMINAL IN
Design TypeSINGLE WIDTH
Keyway Length1.250 INCHES NOMINAL IN
Keyway Depth0.094 INCHES NOMINAL IN
Hub Projection Length Beyond Wheel Side1.125 INCHES NOMINAL AND 1.062 INCHES NOMINAL IN
Mounting MethodKEY
Rotation Direction for Which DesignedCLOCKWISE
Keyway TypeRECTANGULAR
Hub Quantity2
MaterialCOPPER ALLOY
Hub Bore Diameter1.688 INCHES NOMINAL AND 0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-198-1050 INTERCHANGEABLE
Ball,bearing
2930-00-353-9034 INTERCHANGEABLE
Pump,cooling System,engine
4820-00-586-3442 INTERCHANGEABLE
Seat,valve
5330-00-910-3215106-46 INTERCHANGEABLE
Seal,aft Fuselage
Kirkhill Inc Div Kirkhill Inc, Haskon Division
5970-01-010-8907 INTERCHANGEABLE
Insulator,bushing
4210-01-164-786210-646P10 INTERCHANGEABLE
Nozzle,extinguisher
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5365-01-235-760026553-10646 INTERCHANGEABLE
Spacer,plate
Rexnord Industries, Llc Div Couplings Division
3110-01-428-7561106-46 INTERCHANGEABLE
Bearing,ball,annular
Ability Plastics Inc.
5905-01-502-4113712-5004-020 INTERCHANGEABLE
Resistor,fixed,composition
Continental Electronics Corp
Cross-Reference Index
Part NumberManufacturer
18174P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY-88259 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
18174P Dresser Industries Inc (USA)
RY-88259 Rps-Fl, Inc. Dba Rps Inc (USA)
10646 Rps-Fl, Inc. Dba Rps Inc (USA)
Related Parts
3110-00-198-1050INTERCHANGEABLE
BALL,BEARING
2930-00-353-9034INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
4820-00-586-3442INTERCHANGEABLE
SEAT,VALVE
5330-00-910-3215INTERCHANGEABLE
SEAL,AFT FUSELAGE
106-46
5970-01-010-8907INTERCHANGEABLE
INSULATOR,BUSHING
4210-01-164-7862INTERCHANGEABLE
NOZZLE,EXTINGUISHER
10-646P10
5365-01-235-7600INTERCHANGEABLE
SPACER,PLATE
26553-10646
3110-01-428-7561INTERCHANGEABLE
BEARING,BALL,ANNULAR
106-46
5905-01-502-4113INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
712-5004-020

Frequently Asked Questions

What is NSN 4320-00-915-3349?

NSN 4320-00-915-3349 is a Impeller,pump,centrifugal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-915-3349?

NSN 4320-00-915-3349 has 5 cross-referenced part numbers: 18174P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), RY-88259 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 18174P (Dresser Industries Inc), RY-88259 (Rps-Fl, Inc. Dba Rps Inc), 10646 (Rps-Fl, Inc. Dba Rps Inc).

What NSN replaces 4320-00-915-3349?

There are 9 known substitutes for 4320-00-915-3349: 3110-00-198-1050, 2930-00-353-9034, 4820-00-586-3442 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18174P?

Key specifications for 18174P: Blade Type: FORWARD CURVE; Overall Diameter: 6.250 INCHES NOMINAL IN; Hub Location: BACK SIDE AND FRONT SIDE; Keyway Quantity: 1. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com