The Spring,helical,torsion, cataloged under National Stock Number 5360-00-376-6243, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Smith and Smith Aircraft Co. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-376-6243 |
| Primary Part Number | 159-52022 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Smith and Smith Aircraft Co |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.344 INCHES NOMINAL IN |
| End Style | ANGULAR OVERALL |
| End Length | 0.671 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.343 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.500 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.750 INCHES NOMINAL IN |
| Inside Diameter | 0.282 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.250 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 2 |
| End Length From Coil Axis to First Bend | 0.188 INCHES NOMINAL OVERALL IN |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| End Angular Relationship | END W/LH HELIX OF COIL ANGLED TO CENTER SECTION AND END W/RH HELIX OF COIL ANGLED TO CENTER SECTION |
| Hook Radius | 0.109 INCHES NOMINAL OVERALL IN |
| Hook Opening Width | 0.219 INCHES NOMINAL OVERALL 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 |
|---|---|
| 159-52022 PRIMARY | Smith and Smith Aircraft Co (USA) |
| Reference | Meaning |
|---|---|
| 159-52022 | 5/9 Secondary reference U.S. Government activity |
NSN 5360-00-376-6243 is a Spring,helical,torsion, manufactured by Smith and Smith Aircraft Co, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-376-6243 has 1 manufacturer part number on file: 159-52022 (Smith and Smith Aircraft Co).
Key specifications for 159-52022: Spring Free Outside Diameter: 0.344 INCHES NOMINAL IN; End Style: ANGULAR OVERALL; End Length: 0.671 INCHES NOMINAL BOTH ENDS IN; Center Section Width: 0.343 INCHES NOMINAL IN. 17 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.