PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43536Piston,pump

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-01-252-7961 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-252-7961 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-252-7961. Primary manufacturer part number: 43536.
Features
  • Piston,pump — FSC 4320
  • Material: STEEL
  • Diameter: 3.272 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Steel construction
General Description

The Piston,pump, cataloged under National Stock Number 4320-01-252-7961, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-252-7961
Primary Part Number43536
Item NamePiston,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
MaterialSTEEL
Diameter3.272 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5950-00-645-914323560 INTERCHANGEABLE
Reactor
L3harris Technologies, Inc Div Space & Airborne Systems
3455-00-808-4294SF-48X INTERCHANGEABLE
Cutter,milling,end
Quinco Tool Products Co Inc
5940-00-857-3414247AS-C0730-001 INTERCHANGEABLE
Splice,conductor
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5950-01-114-890913087 INTERCHANGEABLE
Transformer,power
Magnespec Inc
4410-01-146-0012 INTERCHANGEABLE
Electrode,gas Pilot
7310-01-223-509343536 INTERCHANGEABLE
Coffee Maker,percolator
West Bend Housewares Llc
5310-01-373-484743536 INTERCHANGEABLE
Washer,flat
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5120-01-398-7830 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
43536 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5950-00-645-9143INTERCHANGEABLE
REACTOR
23560
3455-00-808-4294INTERCHANGEABLE
CUTTER,MILLING,END
SF-48X
5940-00-857-3414INTERCHANGEABLE
SPLICE,CONDUCTOR
247AS-C0730-001
5950-01-114-8909INTERCHANGEABLE
TRANSFORMER,POWER
13087
4410-01-146-0012INTERCHANGEABLE
ELECTRODE,GAS PILOT
7310-01-223-5093INTERCHANGEABLE
COFFEE MAKER,PERCOLATOR
43536
5310-01-373-4847INTERCHANGEABLE
WASHER,FLAT
43536
5120-01-398-7830INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4320-01-252-7961?

NSN 4320-01-252-7961 is a Piston,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 4320-01-252-7961?

NSN 4320-01-252-7961 has 1 cross-referenced part number: 43536 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-01-252-7961?

There are 8 known substitutes for 4320-01-252-7961: 5950-00-645-9143, 3455-00-808-4294, 5940-00-857-3414 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43536?

Key specifications for 43536: Material: STEEL; End Item Identification: U/O WATERBURY PUMP; Diameter: 3.272 INCHES NOMINAL IN. 3 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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