PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SL-4221-PC51Sleeve,shaft,pump

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-218-3404 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-3404 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-3404. Primary manufacturer part number: SL-4221-PC51.
Features
  • Sleeve,shaft,pump — FSC 4320
  • Material: NICKEL ALLOY OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Nickel Alloy Overall construction
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-218-3404, 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 3 commercial cross-references from 2 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
NSN4320-00-218-3404
Primary Part NumberSL-4221-PC51
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
MaterialNICKEL ALLOY OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-155-6174150570 INTERCHANGEABLE
Bearing,ball,annular
Chrysler Realty Company Llc Dba Daimler Chrysler
Cross-Reference Index
Part NumberManufacturer
SL-4221-PC51 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
4308P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL-4221-PC51 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
3110-00-155-6174INTERCHANGEABLE
BEARING,BALL,ANNULAR
150570

Frequently Asked Questions

What is NSN 4320-00-218-3404?

NSN 4320-00-218-3404 is a Sleeve,shaft,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 4320-00-218-3404?

NSN 4320-00-218-3404 has 3 cross-referenced part numbers: SL-4221-PC51 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 4308P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL-4221-PC51 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 4320-00-218-3404?

There is 1 known substitute for 4320-00-218-3404: 3110-00-155-6174. Verify interchangeability with system specifications before substitution.

What are the specifications of SL-4221-PC51?

Key specifications for SL-4221-PC51: Material: NICKEL ALLOY OVERALL. 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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