The Spring,helical,compression, cataloged under National Stock Number 5360-00-424-2730, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Siemens Water Technologies Corp. Div Wallace & Tiernan Products. 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 | 5360-00-424-2730 |
| Primary Part Number | P11518 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Siemens Water Technologies Corp. Div Wallace & Tiernan Products |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.703 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN |
| Material Hardness Rating | 40.0 ROCKWELL C MINIMUM |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5688C ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.500 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN |
| Spring Deflection Rate | 54.250 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.517 INCHES MINIMUM AND 0.548 INCHES MAXIMUM IN |
| Spring Solid Outside Diameter | 0.703 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN |
| Coil Quantity | 7-3/4 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| Material | STEEL COMP 302 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 |
|---|---|
| P11518 PRIMARY | Siemens Water Technologies Corp. Div Wallace & Tiernan Products (USA) |
NSN 5360-00-424-2730 is a Spring,helical,compression, manufactured by Siemens Water Technologies Corp. Div Wallace & Tiernan Products, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-424-2730 has 1 manufacturer part number on file: P11518 (Siemens Water Technologies Corp. Div Wallace & Tiernan Products).
Key specifications for P11518: Spring Free Outside Diameter: 0.703 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN; Material Hardness Rating: 40.0 ROCKWELL C MINIMUM; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN. 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.