The Spring,helical,torsion, cataloged under National Stock Number 5360-00-783-5977, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-783-5977 |
| Primary Part Number | 19758 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.563 INCHES NOMINAL IN |
| End Length | 1.125 INCHES NOMINAL SECOND END IN |
| End Length | 0.668 INCHES NOMINAL FIRST END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.375 INCHES NOMINAL IN |
| Inside Diameter | 0.473 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.250 INCHES NOMINAL FIRST END IN |
| End Length From First Bend to Second Bend or End | 0.688 INCHES NOMINAL SECOND END IN |
| Coil Quantity | 4-1/2 |
| End Length From Coil Axis to First Bend | 0.500 INCHES NOMINAL SECOND END IN |
| Surface Treatment | COPPER OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.125 INCHES NOMINAL FIRST END IN |
| End Tangent Angle | 15.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 19758 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 19758 | 3/9 Design control — primary reference Ward Leonard Ct Llc |
NSN 5360-00-783-5977 is a Spring,helical,torsion, manufactured by Ward Leonard Ct Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-783-5977 has 1 manufacturer part number on file: 19758 (Ward Leonard Ct Llc).
Key specifications for 19758: Spring Free Outside Diameter: 0.563 INCHES NOMINAL IN; End Length: 1.125 INCHES NOMINAL SECOND END IN; End Length: 0.668 INCHES NOMINAL FIRST END IN; Style Designator: SINGLE TORSION LEFT HAND. 16 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.