The Spring,helical,extension, cataloged under National Stock Number 5360-01-090-9335, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Marvin Land Systems, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-090-9335 |
| Primary Part Number | PS-566 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Marvin Land Systems, Inc. |
| Status | ACTIVE |
| Material Document and Classification | QQ-W-428 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Deflection Rate | 2.300 POUNDS PER INCH NOMINAL LBS |
| Coil Quantity | 55 |
| 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 |
|---|---|
| PS-566 PRIMARY | Marvin Land Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| PS-566 | 5/9 Secondary reference Fms Corp |
NSN 5360-01-090-9335 is a Spring,helical,extension, manufactured by Marvin Land Systems, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-090-9335 has 1 manufacturer part number on file: PS-566 (Marvin Land Systems, Inc.).
Key specifications for PS-566: Material Document and Classification: QQ-W-428 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Spring Deflection Rate: 2.300 POUNDS PER INCH NOMINAL LBS; Coil Quantity: 55; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND. 5 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.