The Spring,helical,extension, cataloged under National Stock Number 5360-01-419-1392, 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 18 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 | 5360-01-419-1392 |
| Primary Part Number | 12300163-12 |
| 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 | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Load Rating | 2.630 POUNDS NOMINAL LBS |
| End Style | FULL LOOP FIRST END |
| End Style | RIGHT ANGLE HOOK SECOND END |
| Design Type | OPEN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.850 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Spring Deflection Rate | 42.900 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.190 INCHES MINIMUM AND 0.310 INCHES MAXIMUM FIRST END IN |
| Inside Diameter | 0.549 INCHES NOMINAL IN |
| Stock Diameter | 0.103 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN |
| Coil Quantity | 9-1/2 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| Hook Radius | 0.120 INCHES NOMINAL FIRST END 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 |
|---|---|
| 12300163-12 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5360-01-419-1392 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 5360-01-419-1392 has 1 manufacturer part number on file: 12300163-12 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12300163-12: Spring Free Outside Diameter: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Load Rating: 2.630 POUNDS NOMINAL LBS; End Style: FULL LOOP FIRST END. 18 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.