The Spring,helical,compression, cataloged under National Stock Number 5360-00-587-7612, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Keystone Intl Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-587-7612 |
| Primary Part Number | NMP1115PC17 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Keystone Intl Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 4.875 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 12.750 INCHES NOMINAL IN |
| Spring Deflection Rate | 123.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 3.875 INCHES NOMINAL IN |
| Coil Quantity | 9.875 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 000-300-1729 | Keystone Intl Inc (USA) |
| NMP1115PC17 PRIMARY | Keystone Intl Inc (USA) |
| Reference | Meaning |
|---|---|
| NMP1115PC17 | C/1 Advisory reference — outside the item-of-supply concept Kunkle Industries Inc Lonergan Valve Div |
| 000-300-1729 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
NSN 5360-00-587-7612 is a Spring,helical,compression, manufactured by Keystone Intl Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-587-7612 has 2 manufacturer part numbers on file: 000-300-1729 (Keystone Intl Inc), NMP1115PC17 (Keystone Intl Inc).
Key specifications for NMP1115PC17: Spring Free Outside Diameter: 4.875 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Spring Free Length: 12.750 INCHES NOMINAL IN; Spring Deflection Rate: 123.000 POUNDS PER INCH NOMINAL LBS. 8 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.