The Spring,helical,extension, cataloged under National Stock Number 5360-00-901-4953, 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 Boeing Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-901-4953 |
| Primary Part Number | 114R2079-1 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.137 INCHES MAXIMUM IN |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-C-530,ALLOY 172,TEMPER 1/2 HT FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.562 INCHES NOMINAL IN |
| Spring Deflection Rate | 1.023 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.941 INCHES NOMINAL IN |
| Coil Quantity | 30 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | COPPER ALLOY 172 OVERALL |
| Hook Radius | 0.220 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 |
|---|---|
| 114R2079-1 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 114R2079-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-00-901-4953 is a Spring,helical,extension, manufactured by The Boeing Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-901-4953 has 1 manufacturer part number on file: 114R2079-1 (The Boeing Company).
Key specifications for 114R2079-1: Spring Free Outside Diameter: 1.137 INCHES MAXIMUM IN; End Style: FULL LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 12 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.