PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51663Block,trunnion

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-143-5884 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-143-5884 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-143-5884. Primary manufacturer part number: 51663.
Features
  • Block,trunnion — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Block,trunnion, cataloged under National Stock Number 4320-00-143-5884, 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 1 commercial cross-reference 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.

Catalog Facts
Item NameBlock,trunnion
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersEaton Aerospace, Llc Dba Jackson South (CAGE 62983)
Technical Specifications
ParameterValue
NSN4320-00-143-5884
Primary Part Number51663
Item NameBlock,trunnion
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2940-00-845-4960049551 INTERCHANGEABLE
Filter Element,fluid
Case J I Co
5962-01-230-4318CJSE145 INTERCHANGEABLE
Microcircuit,linear
Solitron Devices, Inc.
Cross-Reference Index
Part NumberManufacturer
51663 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
2940-00-845-4960INTERCHANGEABLE
FILTER ELEMENT,FLUID
049551
5962-01-230-4318INTERCHANGEABLE
MICROCIRCUIT,LINEAR
CJSE145

Frequently Asked Questions

What is NSN 4320-00-143-5884?

NSN 4320-00-143-5884 is a Block,trunnion, 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 4320-00-143-5884?

NSN 4320-00-143-5884 has 1 cross-referenced part number: 51663 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-143-5884?

There are 2 known substitutes for 4320-00-143-5884: 2940-00-845-4960, 5962-01-230-4318. Verify interchangeability with system specifications before substitution.

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