The Spring,helical,extension, cataloged under National Stock Number 5360-00-810-4037, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Brp Us Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-810-4037 |
| Primary Part Number | 307408 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.306 INCHES NOMINAL IN |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.906 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 3.060 INCHES NOMINAL IN |
| Inside Diameter | 0.244 INCHES NOMINAL IN |
| Coil Quantity | 24 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.109 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 |
|---|---|
| 307408 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 307408 | 5/9 Secondary reference Outboard Marine Corp Johnson Motors Div |
NSN 5360-00-810-4037 is a Spring,helical,extension, manufactured by Brp Us Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-810-4037 has 1 manufacturer part number on file: 307408 (Brp Us Inc).
Key specifications for 307408: Spring Free Outside Diameter: 0.306 INCHES NOMINAL IN; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 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.