The Spring,helical,torsion, cataloged under National Stock Number 5360-00-074-8850, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. 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 | 5360-00-074-8850 |
| Primary Part Number | 8437389 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 3.650 INCHES NOMINAL IN |
| End Style | ONE HOOK END BOTH ENDS |
| End Length | 2.750 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | FED STD 66 FED STD ALL MATERIAL RESPONSES OR AISI/SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.430 INCHES NOMINAL IN |
| Spring Deflection Rate | 13.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 3.436 INCHES NOMINAL IN |
| Coil Quantity | 1-7/8 |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL COMP 302 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 |
|---|---|
| 8437389 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5360-00-074-8850 is a Spring,helical,torsion, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-074-8850 has 1 manufacturer part number on file: 8437389 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8437389: Spring Free Outside Diameter: 3.650 INCHES NOMINAL IN; End Style: ONE HOOK END BOTH ENDS; End Length: 2.750 INCHES NOMINAL BOTH ENDS IN; 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.