PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

126009Rotor,pump

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-01-203-5538 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-203-5538 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-203-5538. Primary manufacturer part number: 126009.
Features
  • Rotor,pump — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Rotor,pump, cataloged under National Stock Number 4320-01-203-5538, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4320-01-203-5538
Primary Part Number126009
Item NameRotor,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5310-00-045-1009 INTERCHANGEABLE
Nut,self-Locking,hexagon
5925-00-966-2693 INTERCHANGEABLE
Circuit Breaker
5995-01-729-0635126009 INTERCHANGEABLE
Cable Assembly,power,electrical
Arcturus Uav, Inc Dba Arcturus Uav Llc
Cross-Reference Index
Part NumberManufacturer
126009 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
821756 PIECE 23 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5310-00-045-1009INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
5925-00-966-2693INTERCHANGEABLE
CIRCUIT BREAKER
5995-01-729-0635INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
126009

Frequently Asked Questions

What is NSN 4320-01-203-5538?

NSN 4320-01-203-5538 is a Rotor,pump, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-203-5538?

NSN 4320-01-203-5538 has 2 cross-referenced part numbers: 126009 (Eaton Aerospace, Llc Dba Jackson South), 821756 PIECE 23 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-01-203-5538?

There are 3 known substitutes for 4320-01-203-5538: 5310-00-045-1009, 5925-00-966-2693, 5995-01-729-0635. Verify interchangeability with system specifications before substitution.

What are the specifications of 126009?

Key specifications for 126009: Special Features: 3.000 IN. OD,0.853 IN. ID,1.000IN. L IN. 1 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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