The Spring,helical,extension, cataloged under National Stock Number 5360-01-134-1924, 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 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-134-1924 |
| Primary Part Number | LE-031D-1MW |
| 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 | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.060 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.982 INCHES MINIMUM AND 1.082 INCHES MAXIMUM IN |
| Inside Diameter | 0.321 INCHES NOMINAL IN |
| Coil Quantity | 11-1/5 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 |
|---|---|
| 12300163 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| E0360-031-1000M | Associated Spring Us, Llc Div Corry (USA) |
| LE-031D-1MW PRIMARY | Lee Spring Company Llc (USA) |
| Reference | Meaning |
|---|---|
| LE031D1 | 5/9 Secondary reference U.S. Government activity |
| 10399439 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| LE-031D-1MW | 3/9 Design control — primary reference U.S. Government activity |
NSN 5360-01-134-1924 is a Spring,helical,extension, manufactured by Lee Spring Company Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-134-1924 has 3 manufacturer part numbers on file: 12300163 (U S Army Tank Automotive Command Amsta-Im-Mm), E0360-031-1000M (Associated Spring Us, Llc Div Corry), LE-031D-1MW (Lee Spring Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-160-8057. Verify interchangeability with system specifications before substitution.
Key specifications for LE-031D-1MW: Spring Free Outside Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED. 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.