The Spring,helical,extension, cataloged under National Stock Number 5360-00-906-8131, 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 Defense. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-906-8131 |
| Primary Part Number | 32-411525-3 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.640 INCHES NOMINAL IN |
| Load Rating | 76.00 POUNDS NOMINAL LBS |
| End Style | MACHINE LOOP SECOND END |
| End Style | RAISED HOOK FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.260 INCHES NOMINAL FIRST END IN |
| Opening Width | 0.310 INCHES NOMINAL SECOND END IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.524 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.630 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 0.510 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.430 INCHES NOMINAL IN |
| Spring Length Under Load | 4.550 INCHES NOMINAL IN |
| Coil Quantity | 20-1/4 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Hook Radius | 0.215 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 |
|---|---|
| 32-411525-3 | The Precision Coil Spring Company Dba Precision Coil Spring Co (USA) |
| 32-411525-3 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5360-00-906-8131 is a Spring,helical,extension, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-906-8131 has 2 manufacturer part numbers on file: 32-411525-3 (The Precision Coil Spring Company Dba Precision Coil Spring Co), 32-411525-3 (The Boeing Company Div Defense).
Key specifications for 32-411525-3: Spring Free Outside Diameter: 0.640 INCHES NOMINAL IN; Load Rating: 76.00 POUNDS NOMINAL LBS; End Style: MACHINE LOOP SECOND END; End Style: RAISED HOOK FIRST END. 18 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.