The Spring,helical,extension, cataloged under National Stock Number 5360-00-602-9346, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Precision Coil Spring Company Dba Precision Coil Spring Co. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-602-9346 |
| Primary Part Number | 2444958 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Precision Coil Spring Company Dba Precision Coil Spring Co |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Load Rating | 17.50 POUNDS NOMINAL LBS |
| End Style | DOBBY HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.437 INCHES NOMINAL FIRST END IN |
| Opening Width | 0.573 INCHES NOMINAL SECOND END IN |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.440 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.812 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.823 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.810 INCHES NOMINAL IN |
| Spring Length Under Load | 4.500 INCHES NOMINAL IN |
| Coil Quantity | 16 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.094 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.203 INCHES NOMINAL SECOND 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 |
|---|---|
| 2444958 PRIMARY | The Precision Coil Spring Company Dba Precision Coil Spring Co (USA) |
| Reference | Meaning |
|---|---|
| 2444958 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-00-602-9346 is a Spring,helical,extension, manufactured by The Precision Coil Spring Company Dba Precision Coil Spring Co, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-602-9346 has 1 manufacturer part number on file: 2444958 (The Precision Coil Spring Company Dba Precision Coil Spring Co).
Key specifications for 2444958: Spring Free Outside Diameter: 1.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL; Load Rating: 17.50 POUNDS NOMINAL LBS; End Style: DOBBY HOOK BOTH ENDS. 19 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.