PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

941887Piston,pump

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-457-0053 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-457-0053 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-457-0053. Primary manufacturer part number: 941887.
Features
  • Piston,pump — FSC 4320
  • Pin Hole Bushing: NOT INCLUDED
  • Head Style: CAVITY
  • Pin: NOT INCLUDED
  • Surface Finish: FINISHED
  • 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 Piston,pump, cataloged under National Stock Number 4320-00-457-0053, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-457-0053
Primary Part Number941887
Item NamePiston,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Pin Hole BushingNOT INCLUDED
Head StyleCAVITY
PinNOT INCLUDED
Surface FinishFINISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-01-398-924473122 INTERCHANGEABLE
Screwdriver,cross Tip
General Services Administration Federal Supply Service
1560-01-683-04992-6165-5 INTERCHANGEABLE
Stiffener,aircraft
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
941887 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
261655 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5120-01-398-9244INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
73122
1560-01-683-0499INTERCHANGEABLE
STIFFENER,AIRCRAFT
2-6165-5

Frequently Asked Questions

What is NSN 4320-00-457-0053?

NSN 4320-00-457-0053 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 4320-00-457-0053?

NSN 4320-00-457-0053 has 2 cross-referenced part numbers: 941887 (Eaton Aerospace, Llc Dba Jackson South), 261655 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-457-0053?

There are 2 known substitutes for 4320-00-457-0053: 5120-01-398-9244, 1560-01-683-0499. Verify interchangeability with system specifications before substitution.

What are the specifications of 941887?

Key specifications for 941887: End Item Identification: TRANSMISSION PUMP,VICKERS,MDL TA15; Pin Hole Bushing: NOT INCLUDED; Head Style: CAVITY; Pin: NOT INCLUDED. 6 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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