The Spring,helical,extension, cataloged under National Stock Number 5360-00-312-2984, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Automation, Inc. Dba Rockwell Automation. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-312-2984 |
| Primary Part Number | B8385 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Rockwell Automation, Inc. Dba Rockwell Automation |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.218 INCHES NOMINAL IN |
| Load Rating | 2.00 POUNDS NOMINAL LBS |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.125 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 1.005 INCHES NOMINAL IN |
| Inside Diameter | 0.162 INCHES NOMINAL IN |
| Spring Length Under Load | 1.188 INCHES NOMINAL IN |
| Coil Quantity | 19-1/2 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hook Radius | 0.093 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 |
|---|---|
| B8385 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
| Reference | Meaning |
|---|---|
| BUL609PL609-12ITEM18 | 5/9 Secondary reference Rockwell Automation, Inc. Dba Rockwell Automation |
NSN 5360-00-312-2984 is a Spring,helical,extension, manufactured by Rockwell Automation, Inc. Dba Rockwell Automation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-312-2984 has 1 manufacturer part number on file: B8385 (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for B8385: Spring Free Outside Diameter: 0.218 INCHES NOMINAL IN; Load Rating: 2.00 POUNDS NOMINAL LBS; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED. 13 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.