PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28398Spring,helical,torsion

Stone Safety Corp · NSN 5360-00-330-9210 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-330-9210 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-330-9210. Primary manufacturer part number: 28398.
Features
  • Spring,helical,torsion — FSC 5360
  • Spring Free Length: 0.594 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
  • Style Designator: SINGLE TORSION LEFT HAND
  • Spring Free Outside Diameter: 0.625 INCHES NOMINAL IN
  • End Style: EXTENDED EYE END SECOND END
  • Hook Leg Length: 0.219 INCHES NOMINAL FIRST END IN
  • End Length: 1.313 INCHES NOMINAL SECOND END IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Copper Alloy Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-330-9210, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stone Safety Corp. Government technical data includes 16 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-330-9210
Primary Part Number28398
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerStone Safety Corp
StatusACTIVE
Spring Free Length0.594 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
Style DesignatorSINGLE TORSION LEFT HAND
Spring Free Outside Diameter0.625 INCHES NOMINAL IN
End StyleEXTENDED EYE END SECOND END
Hook Leg Length0.219 INCHES NOMINAL FIRST END IN
End Length1.313 INCHES NOMINAL SECOND END IN
Inside Diameter0.511 INCHES NOMINAL IN
Hook Radius0.094 INCHES NOMINAL FIRST END IN
End Length0.500 INCHES NOMINAL FIRST END IN
Hook Opening Width0.094 INCHES NOMINAL SECOND END IN
Coil Quantity9-3/4
MaterialCOPPER ALLOY OVERALL
Hook Radius0.125 INCHES NOMINAL SECOND END IN
End StyleREDUCED LOOP END FIRST END
End Angular RelationshipENDS ANGLED ONE TO OTHER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5998-00-396-107028390 INTERCHANGEABLE
Circuit Card Assembly
United Technologies Corp Hamilton Sundstrand Corp
4310-00-775-5762 INTERCHANGEABLE
Piston Compressor
Cross-Reference Index
Part NumberManufacturer
28398 Stone Safety Corp (USA)
Related Parts
5998-00-396-1070INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
28390
4310-00-775-5762INTERCHANGEABLE
PISTON COMPRESSOR

Frequently Asked Questions

What is NSN 5360-00-330-9210?

NSN 5360-00-330-9210 is a Spring,helical,torsion, manufactured by Stone Safety Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-330-9210?

NSN 5360-00-330-9210 has 1 cross-referenced part number: 28398 (Stone Safety Corp).

What NSN replaces 5360-00-330-9210?

There are 2 known substitutes for 5360-00-330-9210: 5998-00-396-1070, 4310-00-775-5762. Verify interchangeability with system specifications before substitution.

What are the specifications of 28398?

Key specifications for 28398: Spring Free Length: 0.594 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND; Style Designator: SINGLE TORSION LEFT HAND; Spring Free Outside Diameter: 0.625 INCHES NOMINAL IN. 16 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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