The Spring,helical,extension, cataloged under National Stock Number 5360-01-162-9524, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Rotair Aerospace Corp. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-162-9524 |
| Primary Part Number | 70216-02410-101 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Rotair Aerospace Corp |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.360 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Load Rating | 2.000 POUNDS MINIMUM AND 10.200 POUNDS MAXIMUM LBS |
| End Style | SHORT TWISTED HOOK SECOND END |
| End Style | EXTENDED LOOP FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 4.730 INCHES NOMINAL IN |
| Spring Deflection Rate | 4.100 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 2.180 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.350 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.270 INCHES NOMINAL IN |
| Stock Diameter | 0.045 INCHES NOMINAL IN |
| Spring Length Under Load | 5.000 INCHES MINIMUM AND 7.000 INCHES MAXIMUM IN |
| Coil Quantity | 49 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| Hook Radius | 0.140 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| 70216-02410-101 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| 70216-02410-101 PRIMARY | Rotair Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 5360PL1989390 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5360-01-162-9524 is a Spring,helical,extension, manufactured by Rotair Aerospace Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-162-9524 has 2 manufacturer part numbers on file: 70216-02410-101 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), 70216-02410-101 (Rotair Aerospace Corp).
Key specifications for 70216-02410-101: Spring Free Outside Diameter: 0.360 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL; Load Rating: 2.000 POUNDS MINIMUM AND 10.200 POUNDS MAXIMUM LBS; End Style: SHORT TWISTED HOOK SECOND END. 21 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.