PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

PS3 1-2BLKSpring,helical,compression

Southco Inc · NSN 5360-00-009-3929 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-009-3929 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-009-3929. Primary manufacturer part number: PS3 1-2BLK.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.228 INCHES NOMINAL IN
  • Bore Diameter: 0.342 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN
  • Style Designator: CYLINDRICAL
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Spring Free Outside Diameter: 0.328 INCHES NOMINAL IN
  • Spring Free Length: 0.281 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Uns K08500 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-009-3929, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southco Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, 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
NSN5360-00-009-3929
Primary Part NumberPS3 1-2BLK
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusACTIVE
Inside Diameter0.228 INCHES NOMINAL IN
Bore Diameter0.342 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN
Style DesignatorCYLINDRICAL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Spring Free Outside Diameter0.328 INCHES NOMINAL IN
Spring Free Length0.281 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Coil Quantity2.5
MaterialSTEEL UNS K08500 OVERALL
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Accommodated Rod Diameter0.215 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2520-00-737-1365639654 INTERCHANGEABLE
Carrier,clutch Release Bearing
Am General Llc
5360-00-889-77643519-Z3B INTERCHANGEABLE
Spring,helical,compression
Southco Inc
5360-01-335-4729PS35CBB INTERCHANGEABLE
Spring,helical,compression
Southco Inc
Cross-Reference Index
Part NumberManufacturer
PS3 1-2BLK Southco Inc (USA)
644366 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
5360PL2127155 Jednolity Indeks Materialowy - Uniform Material Index (POL)
644366 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
PS35CBB Southco Inc (USA)
PS3-1/2-IB Southco Inc (USA)
Related Parts
2520-00-737-1365INTERCHANGEABLE
CARRIER,CLUTCH RELEASE BEARING
639654
5360-00-889-7764INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3519-Z3B
5360-01-335-4729INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
PS35CBB

Frequently Asked Questions

What is NSN 5360-00-009-3929?

NSN 5360-00-009-3929 is a Spring,helical,compression, manufactured by Southco Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-009-3929?

NSN 5360-00-009-3929 has 6 cross-referenced part numbers: PS3 1-2BLK (Southco Inc), 644366 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 5360PL2127155 (Jednolity Indeks Materialowy - Uniform Material Index), 644366 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), PS35CBB (Southco Inc) and 1 more.

What NSN replaces 5360-00-009-3929?

There are 3 known substitutes for 5360-00-009-3929: 2520-00-737-1365, 5360-00-889-7764, 5360-01-335-4729. Verify interchangeability with system specifications before substitution.

What are the specifications of PS3 1-2BLK?

Key specifications for PS3 1-2BLK: Inside Diameter: 0.228 INCHES NOMINAL IN; Bore Diameter: 0.342 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN; Special Features: COLOR BLACK; Style Designator: CYLINDRICAL. 14 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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