PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N21968-5-1-8Impeller,pump,centrifugal

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging · NSN 4320-00-433-2972 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-433-2972 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-433-2972. Primary manufacturer part number: N21968-5-1-8.
Features
  • Impeller,pump,centrifugal — FSC 4320
  • 8 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Impeller,pump,centrifugal, cataloged under National Stock Number 4320-00-433-2972, 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. This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameImpeller,pump,centrifugal
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 93232); Dresser Industries Inc (CAGE 80221); Dresser-Rand Co Worthington Compressor Opn a Joint Venture (CAGE 93236); Rps-Fl, Inc. Dba Rps Inc (CAGE 54402); Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9)
Technical Specifications
ParameterValue
NSN4320-00-433-2972
Primary Part NumberN21968-5-1-8
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
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-013-5014105004 INTERCHANGEABLE
Electronic Components Assembly
Astronautics Corporation of America
4320-00-085-196210315 6 3/4IN INTERCHANGEABLE
Impeller,pump,centrifugal
Rps-Fl, Inc. Dba Rps Inc
5935-00-129-307510315 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
4730-00-204-1993209P6-2 INTERCHANGEABLE
Bushing,pipe
Parker-Hannifin Corp Div Fluid System Connector Division
5815-00-392-7853SM-B-157363 INTERCHANGEABLE
Teletypewriter Subassembly
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5133-00-988-570218671 OLE PRO INTERCHANGEABLE
Drill,twist
General Services Administration Federal Supply Service
4820-01-204-522310315 INTERCHANGEABLE
Valve,check
Griswold Industries Dba Cla-Val Co
5950-01-347-410510315 INTERCHANGEABLE
Transformer,power
Pico Electronics Inc
6515-01-414-2054 INTERCHANGEABLE
Stapler,surgical
5310-01-502-758810-203 INTERCHANGEABLE
Washer,key
Konrad Marine Inc Div Konrad Marine
Cross-Reference Index
Part NumberManufacturer
N21968-5-1-8 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
21968-14 Dresser Industries Inc (USA)
21968N Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
N21968N Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
10315 Rps-Fl, Inc. Dba Rps Inc (USA)
21968-14 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
RY-101598 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
21968-14 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
5998-00-013-5014INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
105004
4320-00-085-1962INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
10315 6 3/4IN
5935-00-129-3075INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
10315
4730-00-204-1993INTERCHANGEABLE
BUSHING,PIPE
209P6-2
5815-00-392-7853INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
SM-B-157363
5133-00-988-5702INTERCHANGEABLE
DRILL,TWIST
18671 OLE PRO
4820-01-204-5223INTERCHANGEABLE
VALVE,CHECK
10315
5950-01-347-4105INTERCHANGEABLE
TRANSFORMER,POWER
10315
6515-01-414-2054INTERCHANGEABLE
STAPLER,SURGICAL
5310-01-502-7588INTERCHANGEABLE
WASHER,KEY
10-203
5310-01-502-7594INTERCHANGEABLE
WASHER,KEY
10-315
6515-01-555-7880INTERCHANGEABLE
CARTRIDGE,STUNNER,VETERINARY
10315

Frequently Asked Questions

What is NSN 4320-00-433-2972?

NSN 4320-00-433-2972 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 4320-00-433-2972?

NSN 4320-00-433-2972 has 8 cross-referenced part numbers: N21968-5-1-8 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 21968-14 (Dresser Industries Inc), 21968N (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), N21968N (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 10315 (Rps-Fl, Inc. Dba Rps Inc) and 3 more.

What NSN replaces 4320-00-433-2972?

There are 12 known substitutes for 4320-00-433-2972: 5998-00-013-5014, 4320-00-085-1962, 5935-00-129-3075 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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