The Spring,helical,torsion, cataloged under National Stock Number 5360-01-385-2317, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Aimtron Systems, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-385-2317 |
| Primary Part Number | 510749 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN |
| End Style | STRAIGHT OFFSET BOTH ENDS |
| End Length | 0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM BOTH ENDS IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.340 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Spring Deflection Rate | 3.330 POUNDS PER INCH MINIMUM LBS |
| Inside Diameter | 0.826 INCHES MINIMUM AND 0.866 INCHES MAXIMUM IN |
| Stock Diameter | 0.067 INCHES NOMINAL IN |
| Coil Quantity | 4-1/2 |
| Coil Helix Direction | RIGHT-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 |
|---|---|
| 510749 PRIMARY | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 510749 | 5/9 Secondary reference Cardion Inc |
NSN 5360-01-385-2317 is a Spring,helical,torsion, manufactured by Aimtron Systems, Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-385-2317 has 1 manufacturer part number on file: 510749 (Aimtron Systems, Llc).
Key specifications for 510749: Spring Free Outside Diameter: 0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM IN; End Style: STRAIGHT OFFSET BOTH ENDS; End Length: 0.280 INCHES MINIMUM AND 0.340 INCHES MAXIMUM BOTH ENDS IN; Style Designator: SINGLE TORSION RIGHT 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.