The Spring,helical,extension, cataloged under National Stock Number 5360-00-229-5312, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-229-5312 |
| Primary Part Number | 3856850 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | General Motors Llc Dba General Motors Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL IN |
| End Style | MACHINE LOOP SECOND END |
| End Style | LONG ROUND HOOK FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.437 INCHES NOMINAL BOTH ENDS IN |
| Opening Width | 1.437 INCHES NOMINAL FIRST END IN |
| Spring Free Length | 3.562 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.625 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 1.625 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.437 INCHES NOMINAL IN |
| Coil Quantity | 13 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 3856850 PRIMARY | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 3856850 | 5/9 Secondary reference General Motors Corp |
| 3856850 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 5360-00-229-5312 is a Spring,helical,extension, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-229-5312 has 1 manufacturer part number on file: 3856850 (General Motors Llc Dba General Motors Llc).
Key specifications for 3856850: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; End Style: MACHINE LOOP SECOND END; End Style: LONG ROUND HOOK FIRST END; Design Type: CLOSED. 14 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.