The Spring,helical,extension, cataloged under National Stock Number 5360-00-705-3411, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 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 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 | 5360-00-705-3411 |
| Primary Part Number | 7053411 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.781 INCHES NOMINAL IN |
| Load Rating | 219.00 POUNDS MINIMUM AND 259.00 POUNDS MAXIMUM LBS |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.375 INCHES NOMINAL FIRST END IN |
| Opening Width | 2.094 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-465A,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Spring Free Length | 5.324 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.750 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 2.469 INCHES NOMINAL SECOND END IN |
| Spring Length Under Load | 5.562 INCHES NOMINAL IN |
| Coil Quantity | 11 |
| Surface Treatment | CADMIUM AND ZINC OVERALL |
| 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 |
|---|---|
| 7053411 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5360-00-705-3411 is a Spring,helical,extension, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-705-3411 has 1 manufacturer part number on file: 7053411 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-548-7276. Verify interchangeability with system specifications before substitution.
Key specifications for 7053411: Spring Free Outside Diameter: 0.781 INCHES NOMINAL IN; Load Rating: 219.00 POUNDS MINIMUM AND 259.00 POUNDS MAXIMUM LBS; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED. 16 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.