The Spring,helical,extension, cataloged under National Stock Number 5360-00-306-0150, 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 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-306-0150 |
| Primary Part Number | B-12666 |
| 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 | 0.313 INCHES NOMINAL IN |
| Load Rating | 2.500 POUNDS NOMINAL LBS |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.063 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 0.933 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.188 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.2545 INCHES NOMINAL IN |
| Spring Length Under Load | 1.562 INCHES NOMINAL IN |
| Coil Quantity | 14-3/4 |
| Surface Treatment | ZINC OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.125 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 |
|---|---|
| B-12666 PRIMARY | Rockwell Automation, Inc. Dba Rockwell Automation (USA) |
NSN 5360-00-306-0150 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 5360-00-306-0150 has 1 manufacturer part number on file: B-12666 (Rockwell Automation, Inc. Dba Rockwell Automation).
Key specifications for B-12666: Spring Free Outside Diameter: 0.313 INCHES NOMINAL IN; Load Rating: 2.500 POUNDS NOMINAL LBS; End Style: MACHINE LOOP BOTH ENDS; Design Type: CLOSED. 15 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.