The Spring,helical,torsion, cataloged under National Stock Number 5360-00-334-0449, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 50 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-334-0449 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.767 INCHES NOMINAL IN |
| End Style | PARALLEL END FIRST END |
| End Style | STRAIGHT EYE END SECOND END |
| End Length | 0.875 INCHES NOMINAL FIRST END IN |
| End Length | 1.125 INCHES NOMINAL SECOND END IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Spring Free Length | 0.375 INCHES NOMINAL IN |
| Spring Deflection Rate | 3.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.625 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.250 INCHES NOMINAL FIRST END IN |
| Coil Quantity | 4 |
| End Length From Coil Axis to First Bend | 0.625 INCHES NOMINAL FIRST END IN |
| Coil Helix Direction | RIGHT-HAND |
| Material | COPPER ALLOY 511 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.125 INCHES NOMINAL SECOND END IN |
| End Tangent Angle | 45.0 DEGREES NOMINAL |
| Hook Opening Width | 0.031 INCHES NOMINAL SECOND END IN |
| 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 |
|---|---|
| DR2671ITEMF | 5/9 Secondary reference U.S. Government activity |
| 53-231-814ITEM2 | 3/9 Design control — primary reference U.S. Government activity |
| DR2536ITEM2 | 5/9 Secondary reference U.S. Government activity |
| DR2190ITEM7 | 5/9 Secondary reference U.S. Government activity |
| DR2657ITEMB | 5/9 Secondary reference U.S. Government activity |
| 53-002-185PC94 | 5/9 Secondary reference U.S. Government activity |
| DR2574ITEMF | 5/9 Secondary reference U.S. Government activity |
| 53-003-018ITEME | 5/9 Secondary reference U.S. Government activity |
| 53-003-169PCH | 5/9 Secondary reference U.S. Government activity |
| 53-002-289ITEM8 | 5/9 Secondary reference U.S. Government activity |
| 53-003-019PC40 | 5/9 Secondary reference U.S. Government activity |
| DR2130ITEM8 | 5/9 Secondary reference U.S. Government activity |
| 53-002-294ITEM6 | 5/9 Secondary reference U.S. Government activity |
| DR2568ITEMD | 5/9 Secondary reference U.S. Government activity |
| DR2575PC37 | 5/9 Secondary reference U.S. Government activity |
| DR2352PC40 | 5/9 Secondary reference U.S. Government activity |
| DR2363PC40 | 5/9 Secondary reference U.S. Government activity |
| DR2308ITEM7 | 5/9 Secondary reference U.S. Government activity |
| DR2745ITEMF | 5/9 Secondary reference U.S. Government activity |
| DR2674ITEMF | 5/9 Secondary reference U.S. Government activity |
NSN 5360-00-334-0449 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): 2530-00-977-0781. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-334-0449: Spring Free Outside Diameter: 0.767 INCHES NOMINAL IN; End Style: PARALLEL END FIRST END; End Style: STRAIGHT EYE END SECOND END; End Length: 0.875 INCHES NOMINAL FIRST END IN. 18 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.