The Spring,helical,compression, cataloged under National Stock Number 5360-01-218-5918, 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 13 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 | 5360-01-218-5918 |
| Primary Part Number | 12321959 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material Hardness Rating | 54.0 ROCKWELL SUPERFICIAL 45-N MINIMUM AND 60.0 ROCKWELL SUPERFICIAL 45-N MAXIMUM |
| End Style | SPRING END,SQUARED AND GROUND OVERALL |
| Spring Solid Length | 1.540 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A401 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.400 INCHES NOMINAL IN |
| Spring Deflection Rate | 145.100 POUNDS PER INCH NOMINAL LBS |
| Stock Diameter | 0.118 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Spring Solid Outside Diameter | 0.590 INCHES NOMINAL IN |
| Coil Quantity | 12 |
| Coil Helix Direction | RIGHT-HAND |
| Bore Diameter | 0.750 INCHES NOMINAL IN |
| 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 |
|---|---|
| 12321959 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5360-01-218-5918 is a Spring,helical,compression, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-218-5918 has 1 manufacturer part number on file: 12321959 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12321959: Material Hardness Rating: 54.0 ROCKWELL SUPERFICIAL 45-N MINIMUM AND 60.0 ROCKWELL SUPERFICIAL 45-N MAXIMUM; End Style: SPRING END,SQUARED AND GROUND OVERALL; Spring Solid Length: 1.540 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 13 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.