The Spring,helical,extension, cataloged under National Stock Number 5360-01-159-5953, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Lee Spring Company Llc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-159-5953 |
| Primary Part Number | TBD |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Lee Spring Company Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Load Rating | 6.800 POUNDS NOMINAL LBS |
| End Style | MACHINE LOOP SECOND END |
| End Style | DOUBLE FULL LOOP FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.414 INCHES NOMINAL IN |
| Spring Deflection Rate | 6.400 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.175 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-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 |
|---|---|
| TBD PRIMARY | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| TBD | 5/9 Secondary reference U.S. Government activity |
| 143330-0001 | 7/2 Vendor item drawing reference Bae Systems Information & Electronic Systems Integration Inc. |
| TBD | 5/9 Secondary reference Connor Formed Metal Products |
NSN 5360-01-159-5953 is a Spring,helical,extension, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-159-5953 has 1 manufacturer part number on file: TBD (Lee Spring Company Llc).
Key specifications for TBD: Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC ALL TREATMENT RESPONSES OVERALL; Load Rating: 6.800 POUNDS NOMINAL LBS; End Style: MACHINE LOOP SECOND END. 12 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.