The Spring,helical,torsion, cataloged under National Stock Number 5360-01-082-8393, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-082-8393 |
| Primary Part Number | ST9M613-4 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.240 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | ONE HOOK END OVERALL |
| End Length | 0.680 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.562 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Coil Axis to Center Section Distance | 0.654 INCHES NOMINAL IN |
| Inside Diameter | 0.188 INCHES NOMINAL IN |
| Coil Quantity | 2 2/3 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| End Angular Relationship | END W/LH HELIX OF COIL ANGLED TO CENTER SECTION AND END W/RH HELIX OF COIL ANGLED TO CENTER SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-01-082-8393 is a Spring,helical,torsion, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-082-8393 has 2 manufacturer part numbers on file: ST9M613-4 (The Precision Coil Spring Company Dba Precision Coil Spring Co), ST9M613-4 (The Boeing Company Div Defense).
Key specifications for ST9M613-4: Spring Free Outside Diameter: 0.240 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: ONE HOOK END OVERALL; End Length: 0.680 INCHES NOMINAL BOTH ENDS IN. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.