PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D209Sleeve,shaft,pump

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-968-6364 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-968-6364 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-968-6364. Primary manufacturer part number: D209.
Features
  • Sleeve,shaft,pump — FSC 4320
  • Body Inside Diameter: 2.8750 INCHES NOMINAL IN
  • Keyway Dimension: 0.5000 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
  • Keyway Dimension: 0.2656 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Surface Groove Location and Quantity: 1 EXTERNAL AND 1 INTERNAL
  • Flange Outside Diameter: 3.1250 INCHES NOMINAL IN
  • Material: COPPER ALLOY OVERALL
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy Overall construction
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-968-6364, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-968-6364
Primary Part NumberD209
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Body Inside Diameter2.8750 INCHES NOMINAL IN
Keyway Dimension0.5000 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
Keyway Dimension0.2656 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Surface Groove Location and Quantity1 EXTERNAL AND 1 INTERNAL
Flange Outside Diameter3.1250 INCHES NOMINAL IN
MaterialCOPPER ALLOY OVERALL
Corner ShapeSQUARE ALL CORNERS
Body Outside Diameter3.1250 INCHES NOMINAL IN
Flange Width6.8750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-358-2111AA7D200 INTERCHANGEABLE
Screw,cap,hexagon Head
Renk America Llc Div Renk America
3110-00-554-3341 INTERCHANGEABLE
Bearing,ball,annular
5110-00-935-0890 INTERCHANGEABLE
Pliers,diagonal Cutting
Cross-Reference Index
Part NumberManufacturer
4320-968-6364 Naval Inventory Control Point Mechanicsburg (USA)
D209 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5305-00-358-2111INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AA7D200
3110-00-554-3341INTERCHANGEABLE
BEARING,BALL,ANNULAR
5110-00-935-0890INTERCHANGEABLE
PLIERS,DIAGONAL CUTTING

Frequently Asked Questions

What is NSN 4320-00-968-6364?

NSN 4320-00-968-6364 is a Sleeve,shaft,pump, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-968-6364?

NSN 4320-00-968-6364 has 2 cross-referenced part numbers: 4320-968-6364 (Naval Inventory Control Point Mechanicsburg), D209 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-968-6364?

There are 3 known substitutes for 4320-00-968-6364: 5305-00-358-2111, 3110-00-554-3341, 5110-00-935-0890. Verify interchangeability with system specifications before substitution.

What are the specifications of D209?

Key specifications for D209: Body Inside Diameter: 2.8750 INCHES NOMINAL IN; Keyway Dimension: 0.5000 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN; Keyway Dimension: 0.2656 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 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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