PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4305PStage Piece,pump

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-218-3403 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-3403 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-3403. Primary manufacturer part number: 4305P.
Features
  • Stage Piece,pump — FSC 4320
  • General Characteristics Item Description: GUN METAL,7-3/8 IN. OD; 3-1/8 IN. LG; 2.510 IN. DIA OF BORE IN
  • 8 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Stage Piece,pump, cataloged under National Stock Number 4320-00-218-3403, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-218-3403
Primary Part Number4305P
Item NameStage Piece,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
General Characteristics Item DescriptionGUN METAL,7-3/8 IN. OD; 3-1/8 IN. LG; 2.510 IN. DIA OF BORE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-173-5058 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
SL4480PC43 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4219PC43 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
635-86-43 Huntington Ingalls Inc Div Newport News Shipbuilding (USA)
4305P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4221PC43 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4482PC43 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
4305P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
168565L Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
3110-00-173-5058INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 4320-00-218-3403?

NSN 4320-00-218-3403 is a Stage Piece,pump, 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 4320-00-218-3403?

NSN 4320-00-218-3403 has 8 cross-referenced part numbers: SL4480PC43 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4219PC43 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 635-86-43 (Huntington Ingalls Inc Div Newport News Shipbuilding), 4305P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4221PC43 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 3 more.

What NSN replaces 4320-00-218-3403?

There is 1 known substitute for 4320-00-218-3403: 3110-00-173-5058. Verify interchangeability with system specifications before substitution.

What are the specifications of 4305P?

Key specifications for 4305P: General Characteristics Item Description: GUN METAL,7-3/8 IN. OD; 3-1/8 IN. LG; 2.510 IN. DIA OF BORE IN. 1 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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