The Spring,helical,torsion, cataloged under National Stock Number 5360-01-374-9780, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-374-9780 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.076 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | STRAIGHT END FIRST END |
| End Style | STRAIGHT END SECOND END |
| End Length | 1.480 INCHES MINIMUM AND 1.600 INCHES MAXIMUM FIRST END IN |
| End Length | 1.480 INCHES MINIMUM AND 1.600 INCHES MAXIMUM SECOND END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | ASTM A228-51 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.690 INCHES MAXIMUM IN |
| Spring Deflection Rate | 0.760 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.780 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN |
| Stock Diameter | 0.138 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 1.002 INCHES NOMINAL FIRST END IN |
| End Length From First Bend to Second Bend or End | 1.002 INCHES NOMINAL SECOND END IN |
| Coil Quantity | 3 |
| End Length From Coil Axis to First Bend | 0.400 INCHES NOMINAL FIRST END IN |
| End Length From Coil Axis to First Bend | 0.400 INCHES NOMINAL SECOND END IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL COMP 1018 OVERALL |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| End Tangent Angle | 18.8 DEGREES MINIMUM AND 19.1 DEGREES MAXIMUM |
| 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 |
|---|---|
| 12389359 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12389359 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-374-9780 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-374-9780: Spring Free Outside Diameter: 1.076 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: STRAIGHT END FIRST END; End Style: STRAIGHT END SECOND END. 22 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.