The Spring,helical,extension, cataloged under National Stock Number 5360-00-912-3563, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-912-3563 |
| Primary Part Number | 11700578 |
| Item Name | Spring,helical,extension |
| 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 | 0.500 INCHES NOMINAL IN |
| Load Rating | 5.400 POUNDS NOMINAL LBS |
| End Style | DOBBY HOOK FIRST END |
| End Style | OFSET HOOK SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 3.100 INCHES NOMINAL IN |
| Inside Diameter | 0.400 INCHES NOMINAL IN |
| Spring Length Under Load | 4.500 INCHES NOMINAL IN |
| Coil Quantity | 34-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.060 INCHES MINIMUM AND 0.090 INCHES MAXIMUM SECOND END IN |
| Hook Radius | 0.100 INCHES MINIMUM AND 0.130 INCHES MAXIMUM FIRST END 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 |
|---|---|
| 11700578 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 11700578 | 5/9 Secondary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5360-00-912-3563 is a Spring,helical,extension, 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 5360-00-912-3563 has 1 manufacturer part number on file: 11700578 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 11700578: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; Load Rating: 5.400 POUNDS NOMINAL LBS; End Style: DOBBY HOOK FIRST END; End Style: OFSET HOOK SECOND END. 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.