The Spring,helical,torsion, cataloged under National Stock Number 5360-00-562-1589, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Kato Engineering Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-562-1589 |
| Primary Part Number | Y1764L |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Kato Engineering Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.371 INCHES NOMINAL IN |
| End Style | OFFSET HALF LOOP, RIGHT END FIRST END |
| End Style | MACHINE LOOP END SECOND END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.688 INCHES NOMINAL IN |
| Inside Diameter | 0.281 INCHES NOMINAL IN |
| Coil Quantity | 8 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| End Length From Second Bend to Third Bend or End | 0.094 INCHES NOMINAL OVERALL IN |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.094 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.031 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| Y1764L PRIMARY | Kato Engineering Inc. (USA) |
| Reference | Meaning |
|---|---|
| JH30-01-12 | 5/9 Secondary reference Hollingsworth John R Co |
NSN 5360-00-562-1589 is a Spring,helical,torsion, manufactured by Kato Engineering Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-562-1589 has 1 manufacturer part number on file: Y1764L (Kato Engineering Inc.).
Key specifications for Y1764L: Spring Free Outside Diameter: 0.371 INCHES NOMINAL IN; End Style: OFFSET HALF LOOP, RIGHT END FIRST END; End Style: MACHINE LOOP END SECOND END; Style Designator: SINGLE TORSION LEFT HAND. 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.