The Spring,helical,extension, cataloged under National Stock Number 5360-00-320-6056, 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 Div Legacy Am&m. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-320-6056 |
| Primary Part Number | 176-33827 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.375 INCHES NOMINAL IN |
| Load Rating | 13.00 POUNDS MINIMUM AND 17.200 POUNDS MAXIMUM LBS |
| End Style | RAISED HOOK SECOND END |
| End Style | DOBBY HOOK FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.422 INCHES NOMINAL SECOND END IN |
| Opening Width | 2.204 INCHES NOMINAL FIRST END IN |
| Spring Free Length | 4.602 INCHES NOMINAL IN |
| Spring Deflection Rate | 10.040 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.625 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 2.391 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.273 INCHES NOMINAL IN |
| Spring Length Under Load | 5.750 INCHES NOMINAL IN |
| Coil Quantity | 28 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.141 INCHES NOMINAL SECOND END IN |
| Hook Radius | 0.063 INCHES NOMINAL FIRST 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 |
|---|---|
| 176-33827 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5360-00-320-6056 is a Spring,helical,extension, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-320-6056 has 1 manufacturer part number on file: 176-33827 (The Boeing Company Div Legacy Am&m).
Key specifications for 176-33827: Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN; Load Rating: 13.00 POUNDS MINIMUM AND 17.200 POUNDS MAXIMUM LBS; End Style: RAISED HOOK SECOND END; End Style: DOBBY HOOK FIRST END. 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.