PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

411PSleeve,shaft,pump

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-218-3266 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-3266 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-3266. Primary manufacturer part number: 411P.
Features
  • Sleeve,shaft,pump — FSC 4320
  • Corner Shape: SQUARE ALL CORNERS
  • Keyway Dimension: 0.3750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
  • Keyway Dimension: 0.0620 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
  • Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Body Inside Diameter: 0.6880 INCHES NOMINAL IN
  • Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END
  • Body Outside Diameter: 0.8750 INCHES NOMINAL IN
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Nickel Alloy K-500 Overall construction
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-218-3266, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 4 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
NSN4320-00-218-3266
Primary Part Number411P
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Corner ShapeSQUARE ALL CORNERS
Keyway Dimension0.3750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
Keyway Dimension0.0620 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
Material Document and ClassificationQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Body Inside Diameter0.6880 INCHES NOMINAL IN
Style DesignatorSOLID, PLAIN, NO OUTSIDE FLANGES, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END
Body Outside Diameter0.8750 INCHES NOMINAL IN
Interior Flange Width0.5000 INCHES NOMINAL IN
Interior Flange Left End to Centerline Distance0.8750 INCHES NOMINAL IN
Interior Flange Hole Diameter0.3750 INCHES NOMINAL IN
MaterialNICKEL ALLOY K-500 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6645-00-410-2395 INTERCHANGEABLE
Clock,panel
Cross-Reference Index
Part NumberManufacturer
411P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL6552PC7 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
10268 Rps-Fl, Inc. Dba Rps Inc (USA)
SL6552PC7 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SK-13656 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
939P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
255295-3 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5955PC7 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5954PC7 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5296PC7 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
403P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SK-13656 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5295PC7 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5954PC7 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
403P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
939P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
411P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
255295-3 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
MAI-218-3266 Argus Mfg Corp (USA)
SL5898PC7 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
6645-00-410-2395INTERCHANGEABLE
CLOCK,PANEL

Frequently Asked Questions

What is NSN 4320-00-218-3266?

NSN 4320-00-218-3266 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 4320-00-218-3266?

NSN 4320-00-218-3266 has 21 cross-referenced part numbers: 411P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL6552PC7 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 10268 (Rps-Fl, Inc. Dba Rps Inc), SL6552PC7 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SK-13656 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 16 more.

What NSN replaces 4320-00-218-3266?

There is 1 known substitute for 4320-00-218-3266: 6645-00-410-2395. Verify interchangeability with system specifications before substitution.

What are the specifications of 411P?

Key specifications for 411P: Corner Shape: SQUARE ALL CORNERS; Keyway Dimension: 0.3750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN; Keyway Dimension: 0.0620 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN; Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 12 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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