PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S-279Spring,helical,compression

Unidynamics/saint Louis Inc Conroe Opns · NSN 5360-01-435-4720 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-01-435-4720 — this item is cataloged by the U.S. Government under National Stock Number 5360-01-435-4720. Primary manufacturer part number: S-279.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Solid Outside Diameter: 1.094 INCHES NOMINAL IN
  • Spring Free Length: 3.625 INCHES NOMINAL IN
  • Spring Deflection Rate: 6.290 POUNDS PER INCH NOMINAL LBS
  • Spring Solid Length: 1.411 INCHES NOMINAL IN
  • Coil Quantity: 15-1/2
  • Inside Diameter: 0.912 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-01-435-4720, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unidynamics/saint Louis Inc Conroe Opns. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-01-435-4720
Primary Part NumberS-279
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerUnidynamics/saint Louis Inc Conroe Opns
StatusACTIVE
Spring Solid Outside Diameter1.094 INCHES NOMINAL IN
Spring Free Length3.625 INCHES NOMINAL IN
Spring Deflection Rate6.290 POUNDS PER INCH NOMINAL LBS
Spring Solid Length1.411 INCHES NOMINAL IN
Coil Quantity15-1/2
Inside Diameter0.912 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-017-9859179859 INTERCHANGEABLE
Screw,cap,hexagon Head
Rolls-Royce Solutions America Inc
5310-01-481-2500S 279 INTERCHANGEABLE
Nut,plain,hexagon
Cummins Inc.
5306-01-484-0540 INTERCHANGEABLE
Bolt,eye
5306-01-487-47229900235 INTERCHANGEABLE
Bolt,eye
Crosby Group Inc the Mckissick Plant Div
Cross-Reference Index
Part NumberManufacturer
S-279 Unidynamics/saint Louis Inc Conroe Opns (USA)
PL 14811020 ITEM 150 Gulf Coast Holdings, Inc Dba Unidynamics (USA)
S-279 Gulf Coast Holdings, Inc Dba Unidynamics (USA)
PL 14811020 ITEM 150 Unidynamics/saint Louis Inc Conroe Opns (USA)
S-279 Jered Llc (USA)
PL 14811020 ITEM 150 Jered Llc (USA)
Related Parts
5305-00-017-9859INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
179859
5310-01-481-2500INTERCHANGEABLE
NUT,PLAIN,HEXAGON
S 279
5306-01-484-0540INTERCHANGEABLE
BOLT,EYE
5306-01-487-4722INTERCHANGEABLE
BOLT,EYE
9900235

Frequently Asked Questions

What is NSN 5360-01-435-4720?

NSN 5360-01-435-4720 is a Spring,helical,compression, manufactured by Unidynamics/saint Louis Inc Conroe Opns, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-01-435-4720?

NSN 5360-01-435-4720 has 6 cross-referenced part numbers: S-279 (Unidynamics/saint Louis Inc Conroe Opns), PL 14811020 ITEM 150 (Gulf Coast Holdings, Inc Dba Unidynamics), S-279 (Gulf Coast Holdings, Inc Dba Unidynamics), PL 14811020 ITEM 150 (Unidynamics/saint Louis Inc Conroe Opns), S-279 (Jered Llc) and 1 more.

What NSN replaces 5360-01-435-4720?

There are 4 known substitutes for 5360-01-435-4720: 5305-00-017-9859, 5310-01-481-2500, 5306-01-484-0540 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S-279?

Key specifications for S-279: Spring Solid Outside Diameter: 1.094 INCHES NOMINAL IN; Spring Free Length: 3.625 INCHES NOMINAL IN; Spring Deflection Rate: 6.290 POUNDS PER INCH NOMINAL LBS; Spring Solid Length: 1.411 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com