The Spring,helical,extension, cataloged under National Stock Number 5360-01-166-6941, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Nordex, Incorporated Dba Nordex Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-166-6941 |
| Primary Part Number | ERS-B1-12 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Nordex, Incorporated Dba Nordex Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.187 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.302 INCHES NOMINAL IN |
| Inside Diameter | 0.135 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| Hook Radius | 0.067 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 |
|---|---|
| ERS-B1-12 PRIMARY | Nordex, Incorporated Dba Nordex Inc (USA) |
| Reference | Meaning |
|---|---|
| 0N295614-2 | 5/2 Secondary reference U.S. Government activity |
| ERS-B1-12 | 5/9 Secondary reference Nordex Inc |
NSN 5360-01-166-6941 is a Spring,helical,extension, manufactured by Nordex, Incorporated Dba Nordex Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-166-6941 has 1 manufacturer part number on file: ERS-B1-12 (Nordex, Incorporated Dba Nordex Inc).
Key specifications for ERS-B1-12: Spring Free Outside Diameter: 0.187 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 1.302 INCHES NOMINAL IN. 9 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.