The Spring,helical,torsion, cataloged under National Stock Number 5360-01-109-4020, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-109-4020 |
| Primary Part Number | 1817223 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.245 INCHES NOMINAL IN |
| End Style | CURVED END SECOND END |
| End Style | ANGULAR END (LEFT) FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.180 INCHES MAXIMUM IN |
| Inside Diameter | 0.135 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.305 INCHES NOMINAL FIRST END IN |
| End Length From First Bend to Second Bend or End | 0.351 INCHES NOMINAL SECOND END IN |
| Coil Quantity | 2 13/32 |
| End Length From Coil Axis to First Bend | 0.437 INCHES NOMINAL OVERALL IN |
| End Length From Third Bend or End | 0.149 INCHES NOMINAL OVERALL IN |
| Coil Helix Direction | LEFT-HAND |
| End Length From Second Bend to Third Bend or End | 0.250 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 |
|---|---|
| 1817223 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5360-01-109-4020 is a Spring,helical,torsion, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-109-4020 has 1 manufacturer part number on file: 1817223 (Northrop Grumman Systems Corporation).
Key specifications for 1817223: Spring Free Outside Diameter: 0.245 INCHES NOMINAL IN; End Style: CURVED END SECOND END; End Style: ANGULAR END (LEFT) FIRST 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.