PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

385731Guide,spring

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-368-9427 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-368-9427 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-368-9427. Primary manufacturer part number: 385731.
Features
  • Guide,spring — FSC 4320
  • General Characteristics Item Description: 1.025 IN. MIN,1.045 IN. MAX O/A LG,0.890 IN. OD IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Guide,spring, cataloged under National Stock Number 4320-00-368-9427, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-368-9427
Primary Part Number385731
Item NameGuide,spring
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
General Characteristics Item Description1.025 IN. MIN,1.045 IN. MAX O/A LG,0.890 IN. OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5905-01-151-939438573-1 INTERCHANGEABLE
Resistor,thermal
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
385731 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5905-01-151-9394INTERCHANGEABLE
RESISTOR,THERMAL
38573-1

Frequently Asked Questions

What is NSN 4320-00-368-9427?

NSN 4320-00-368-9427 is a Guide,spring, 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 4320-00-368-9427?

NSN 4320-00-368-9427 has 1 cross-referenced part number: 385731 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-368-9427?

There is 1 known substitute for 4320-00-368-9427: 5905-01-151-9394. Verify interchangeability with system specifications before substitution.

What are the specifications of 385731?

Key specifications for 385731: End Item Identification: AIRCRAFT MODEL S-3A A; General Characteristics Item Description: 1.025 IN. MIN,1.045 IN. MAX O/A LG,0.890 IN. OD IN. 2 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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