The Spring,helical,extension, cataloged under National Stock Number 5360-01-305-4560, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Associated Spring Us, Llc Div Corry. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-305-4560 |
| Primary Part Number | E0180-031-2750M |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Associated Spring Us, Llc Div Corry |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.180 INCHES NOMINAL IN |
| Load Rating | 6.800 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.812 INCHES NOMINAL IN |
| Spring Deflection Rate | 5.100 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.118 INCHES NOMINAL IN |
| Spring Length Under Load | 4.010 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Hook Radius | 0.059 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 |
|---|---|
| E0180-031-2750M PRIMARY | Associated Spring Us, Llc Div Corry (USA) |
| Reference | Meaning |
|---|---|
| E0180-031-2750 | C/1 Advisory reference — outside the item-of-supply concept Power Piping Co |
NSN 5360-01-305-4560 is a Spring,helical,extension, manufactured by Associated Spring Us, Llc Div Corry, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-305-4560 has 1 manufacturer part number on file: E0180-031-2750M (Associated Spring Us, Llc Div Corry).
Key specifications for E0180-031-2750M: Spring Free Outside Diameter: 0.180 INCHES NOMINAL IN; Load Rating: 6.800 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED. 11 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.