The Spring,helical,extension, cataloged under National Stock Number 5360-01-499-5585, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 11 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 | 5360-01-499-5585 |
| Primary Part Number | 9433K98 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.625 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | MAINSPRING |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.140 INCHES NOMINAL IN |
| Spring Deflection Rate | 12.260 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.487 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | LEFT-HAND OR RIGHT-HAND |
| 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 |
|---|---|
| 9433K98 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5360-01-499-5585 is a Spring,helical,extension, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-499-5585 has 1 manufacturer part number on file: 9433K98 (Mcmaster-Carr Supply Co).
Key specifications for 9433K98: Spring Free Outside Diameter: 0.625 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: MAINSPRING. 11 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.