PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1509-2-1Sleeve,shaft,pump

Marley Pump Co Hydromatic Pumps · NSN 4320-00-375-9044 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-375-9044 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-375-9044. Primary manufacturer part number: 1509-2-1.
Features
  • Sleeve,shaft,pump — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Marley Pump Co Hydromatic Pumps
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Sleeve,shaft,pump, cataloged under National Stock Number 4320-00-375-9044, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Marley Pump Co Hydromatic Pumps. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSleeve,shaft,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersMarley Pump Co Hydromatic Pumps (CAGE 31015)
Technical Specifications
ParameterValue
NSN4320-00-375-9044
Primary Part Number1509-2-1
Item NameSleeve,shaft,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMarley Pump Co Hydromatic Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3110-00-100-0583643280 INTERCHANGEABLE
Cup,tapered Roller Bearing
Wiggins Lift Co Inc
5330-00-301-83721L4777 INTERCHANGEABLE
Seal,plain Encased
Caterpillar Inc Div Caterpillar Defense
9540-00-528-8840 INTERCHANGEABLE
Angle,structural
4920-00-832-9173 INTERCHANGEABLE
Clock Module
5950-01-022-0479 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
1509-2-1 Marley Pump Co Hydromatic Pumps (USA)
1509-2 Marley Pump Co Hydromatic Pumps (USA)
Related Parts
3110-00-100-0583INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
643280
5330-00-301-8372INTERCHANGEABLE
SEAL,PLAIN ENCASED
1L4777
9540-00-528-8840INTERCHANGEABLE
ANGLE,STRUCTURAL
4920-00-832-9173INTERCHANGEABLE
CLOCK MODULE
5950-01-022-0479INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 4320-00-375-9044?

NSN 4320-00-375-9044 is a Sleeve,shaft,pump, manufactured by Marley Pump Co Hydromatic Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-375-9044?

NSN 4320-00-375-9044 has 2 cross-referenced part numbers: 1509-2-1 (Marley Pump Co Hydromatic Pumps), 1509-2 (Marley Pump Co Hydromatic Pumps).

What NSN replaces 4320-00-375-9044?

There are 5 known substitutes for 4320-00-375-9044: 3110-00-100-0583, 5330-00-301-8372, 9540-00-528-8840 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com