The Spring,helical,torsion, cataloged under National Stock Number 5360-01-193-4590, 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 14 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 | 5360-01-193-4590 |
| Primary Part Number | G104-321 |
| 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 | 0.191 INCHES NOMINAL IN |
| End Style | EXTENDED BOTH ENDS |
| End Length | 0.437 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.500 INCHES MAXIMUM IN |
| Inside Diameter | 0.109 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.391 INCHES NOMINAL BOTH ENDS IN |
| Coil Quantity | 10 |
| End Length From Coil Axis to First Bend | 0.046 INCHES NOMINAL BOTH ENDS IN |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| 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 |
|---|---|
| G104-321 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5360-01-193-4590 is a Spring,helical,torsion, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-193-4590 has 1 manufacturer part number on file: G104-321 (Northrop Grumman Systems Corporation).
Key specifications for G104-321: Spring Free Outside Diameter: 0.191 INCHES NOMINAL IN; End Style: EXTENDED BOTH ENDS; End Length: 0.437 INCHES NOMINAL BOTH ENDS IN; Style Designator: SINGLE TORSION LEFT HAND. 14 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.