The Spring,helical,torsion, cataloged under National Stock Number 5360-01-423-8518, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-423-8518 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.102 INCHES NOMINAL IN |
| End Style | ONE HOOK END BOTH ENDS |
| End Length | 4.000 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE OR ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.911 INCHES NOMINAL IN |
| Inside Diameter | 0.832 INCHES NOMINAL IN |
| Stock Diameter | 0.135 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 709-534392 ITEM 46 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 709-5486672 ITEM 146 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| H677N001 FIND 190 | 3/2 Design control — primary reference U.S. Government activity |
| T135-090-666-L | 5/9 Secondary reference Associated Spring Copr |
NSN 5360-01-423-8518 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5360-01-467-5425. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-01-423-8518: Spring Free Outside Diameter: 1.102 INCHES NOMINAL IN; End Style: ONE HOOK END BOTH ENDS; End Length: 4.000 INCHES NOMINAL BOTH ENDS IN; Style Designator: SINGLE TORSION LEFT HAND. 12 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.