PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H4320-627-2289Sleeve,shaft,pump

Naval Inventory Control Point Mechanicsburg · NSN 4320-00-627-2289 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-627-2289 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-627-2289. Primary manufacturer part number: H4320-627-2289.
Features
  • Sleeve,shaft,pump — FSC 4320
  • Corner Shape: SQUARE INSIDE RIGHT CORNER
  • Keyway Dimension: 0.8750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
  • Corner Shape: SQUARE OUTSIDE RIGHT CORNER
  • Flange Width: 0.2500 INCHES NOMINAL IN
  • Style Designator: SOLID, EXTERNAL FLANGE ONE END
  • Body Inside Diameter: 2.0000 INCHES NOMINAL IN
  • Flange Outside Diameter: 2.6250 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 4320-00-627-2289, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-627-2289
Primary Part NumberH4320-627-2289
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
Corner ShapeSQUARE INSIDE RIGHT CORNER
Keyway Dimension0.8750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Flange Width0.2500 INCHES NOMINAL IN
Style DesignatorSOLID, EXTERNAL FLANGE ONE END
Body Inside Diameter2.0000 INCHES NOMINAL IN
Flange Outside Diameter2.6250 INCHES NOMINAL IN
Body Outside Diameter2.5000 INCHES NOMINAL IN
Material Document and ClassificationQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Corner ShapeSQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Keyway Dimension0.0469 INCHES NOMINAL INTERNAL KEYWAY DEPTH IN
Corner ShapeCHAMFERED INSIDE LEFT CORNER
MaterialNICKEL ALLOY K-500 OVERALL
Corner ShapeSQUARE LEFT FLANGE BODY CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5930-00-504-6557263BP13 INTERCHANGEABLE
Switch,pressure-Thermostatic
Johnson Controls Inc Control Products Div
4320-00-555-32963299831PC83 INTERCHANGEABLE
Ring,wearing
Naval Ship Systems Command
4320-00-555-3298C180 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
4320-00-555-32993299831PC78 INTERCHANGEABLE
Ring,wearing
Naval Ship Systems Command
4320-00-555-3300C177 INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
4320-00-555-3302B102A INTERCHANGEABLE
Ring,wearing
Circor Naval Solutions Llc Dba Warren Pumps
5950-00-645-9963 INTERCHANGEABLE
Coil,radio Frequency
5950-01-014-2136D165 INTERCHANGEABLE
Transformer,power
B G Laboratories Inc.
6515-01-548-1059D165 INTERCHANGEABLE
Cardwinding
Diagnosys Llc
Cross-Reference Index
Part NumberManufacturer
H3299831 Naval Sea Systems Command (USA)
R529 Circor Naval Solutions Llc Dba Warren Pumps (USA)
H4320-627-2289 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
D165 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
R529PC24 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5930-00-504-6557INTERCHANGEABLE
SWITCH,PRESSURE-THERMOSTATIC
263BP13
4320-00-555-3296INTERCHANGEABLE
RING,WEARING
3299831PC83
4320-00-555-3298INTERCHANGEABLE
RING,WEARING
C180
4320-00-555-3299INTERCHANGEABLE
RING,WEARING
3299831PC78
4320-00-555-3300INTERCHANGEABLE
RING,WEARING
C177
4320-00-555-3302INTERCHANGEABLE
RING,WEARING
B102A
5950-00-645-9963INTERCHANGEABLE
COIL,RADIO FREQUENCY
5950-01-014-2136INTERCHANGEABLE
TRANSFORMER,POWER
D165
6515-01-548-1059INTERCHANGEABLE
CARDWINDING
D165

Frequently Asked Questions

What is NSN 4320-00-627-2289?

NSN 4320-00-627-2289 is a Sleeve,shaft,pump, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-627-2289?

NSN 4320-00-627-2289 has 5 cross-referenced part numbers: H3299831 (Naval Sea Systems Command), R529 (Circor Naval Solutions Llc Dba Warren Pumps), H4320-627-2289 (Naval Inventory Control Point Mechanicsburg), D165 (Circor Naval Solutions Llc Dba Warren Pumps), R529PC24 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-627-2289?

There are 9 known substitutes for 4320-00-627-2289: 5930-00-504-6557, 4320-00-555-3296, 4320-00-555-3298 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H4320-627-2289?

Key specifications for H4320-627-2289: Corner Shape: SQUARE INSIDE RIGHT CORNER; Keyway Dimension: 0.8750 INCHES NOMINAL INTERNAL KEYWAY LENGTH IN; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Flange Width: 0.2500 INCHES NOMINAL IN. 17 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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