PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8351Rotor,pump

Weldon Pump Llc · NSN 4320-01-488-7735 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-488-7735 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-488-7735. Primary manufacturer part number: 8351.
Features
  • Rotor,pump — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Weldon Pump Llc
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Rotor,pump, cataloged under National Stock Number 4320-01-488-7735, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Weldon Pump Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRotor,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersWeldon Pump Llc (CAGE 9Z270)
Technical Specifications
ParameterValue
NSN4320-01-488-7735
Primary Part Number8351
Item NameRotor,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerWeldon Pump Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5340-00-071-88678351 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
3030-00-228-12547312 INTERCHANGEABLE
Belt,v
Gates Corporation
5315-00-353-94658351 INTERCHANGEABLE
Pin
Cummins Inc.
8305-00-849-4768 INTERCHANGEABLE
Felt Strip
4720-00-860-98383771537 INTERCHANGEABLE
Hose Assembly,nonmetallic
General Motors Llc Dba General Motors Llc
7045-01-027-83018R494 INTERCHANGEABLE
Tape,electronic Data Processing
Xerox Corporation
4820-01-210-3441 INTERCHANGEABLE
Valve,regulating,fluid Pressure
3040-01-339-81418351 INTERCHANGEABLE
Shaft,straight
Smatco Industries Inc
5315-01-432-0915 INTERCHANGEABLE
Pin,straight,headless
5315-01-463-1881741089-A INTERCHANGEABLE
Pin,straight,headless
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
8351 PRIMARY Weldon Pump Llc (USA)
Related Parts
5340-00-071-8867INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8351
3030-00-228-1254INTERCHANGEABLE
BELT,V
7312
5315-00-353-9465INTERCHANGEABLE
PIN
8351
8305-00-849-4768INTERCHANGEABLE
FELT STRIP
4720-00-860-9838INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
3771537
7045-01-027-8301INTERCHANGEABLE
TAPE,ELECTRONIC DATA PROCESSING
8R494
4820-01-210-3441INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
3040-01-339-8141INTERCHANGEABLE
SHAFT,STRAIGHT
8351
5315-01-432-0915INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-463-1881INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
741089-A

Frequently Asked Questions

What is NSN 4320-01-488-7735?

NSN 4320-01-488-7735 is a Rotor,pump, manufactured by Weldon Pump Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-488-7735?

NSN 4320-01-488-7735 has 1 cross-referenced part number: 8351 (Weldon Pump Llc).

What NSN replaces 4320-01-488-7735?

There are 10 known substitutes for 4320-01-488-7735: 5340-00-071-8867, 3030-00-228-1254, 5315-00-353-9465 and 7 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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