PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46156Piston Rod and Bearing Assembly

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-254-9449 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-254-9449 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-254-9449. Primary manufacturer part number: 46156.
Features
  • Piston Rod and Bearing Assembly — FSC 4320
  • General Characteristics Item Description: STEEL; O/A 4-1/4 IN. LG,PISTON 7/8 IN. OD,1-3/16 IN. LG; BEARING ON CRANKSHAFT END 1-1/8 IN. OD,1-1/8 IN. LG IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
General Description

The Piston Rod and Bearing Assembly, cataloged under National Stock Number 4320-00-254-9449, 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 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-254-9449
Primary Part Number46156
Item NamePiston Rod and Bearing Assembly
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
General Characteristics Item DescriptionSTEEL; O/A 4-1/4 IN. LG,PISTON 7/8 IN. OD,1-3/16 IN. LG; BEARING ON CRANKSHAFT END 1-1/8 IN. OD,1-1/8 IN. LG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5133-00-232-2866 INTERCHANGEABLE
Drill,twist
7045-01-357-231446156 INTERCHANGEABLE
Tape,electronic Data Processing
Cdw Government Llc
6140-01-490-691346-156 INTERCHANGEABLE
Contact,battery
Triplett (bluffton) Corporation Dba Lfe Instruments
Cross-Reference Index
Part NumberManufacturer
46156 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5133-00-232-2866INTERCHANGEABLE
DRILL,TWIST
7045-01-357-2314INTERCHANGEABLE
TAPE,ELECTRONIC DATA PROCESSING
46156
6140-01-490-6913INTERCHANGEABLE
CONTACT,BATTERY
46-156

Frequently Asked Questions

What is NSN 4320-00-254-9449?

NSN 4320-00-254-9449 is a Piston Rod and Bearing Assembly, 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 4320-00-254-9449?

NSN 4320-00-254-9449 has 1 cross-referenced part number: 46156 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-254-9449?

There are 3 known substitutes for 4320-00-254-9449: 5133-00-232-2866, 7045-01-357-2314, 6140-01-490-6913. Verify interchangeability with system specifications before substitution.

What are the specifications of 46156?

Key specifications for 46156: General Characteristics Item Description: STEEL; O/A 4-1/4 IN. LG,PISTON 7/8 IN. OD,1-3/16 IN. LG; BEARING ON CRANKSHAFT END 1-1/8 IN. OD,1-1/8 IN. LG 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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