The Spring,helical,extension, cataloged under National Stock Number 5360-01-286-5506, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-286-5506 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OR DPS9.74 MCDONNELL DOUGLAS CORP MFR REF ALL TREATMENT RESPONSES OVERALL |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Opening Width | 0.188 INCHES NOMINAL FIRST END IN |
| Material Document and Classification | ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.096 INCHES NOMINAL IN |
| Spring Deflection Rate | 122.000 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.688 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 0.312 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.154 INCHES NOMINAL IN |
| Coil Quantity | 40 |
| Surface Treatment | DICHROMATE OR CADMIUM AND CHROMATE OR CADMIUM AND PHOSPHATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2672774 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-286-5506 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
Key specifications for 5360-01-286-5506: Spring Free Outside Diameter: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OR DPS9.74 MCDONNELL DOUGLAS CORP MFR REF ALL TREATMENT RESPONSES OVERALL; End Style: MACHINE LOOP BOTH ENDS; Design Type: CLOSED. 17 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.