The Spring,helical,compression, cataloged under National Stock Number 5360-01-705-3279, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-705-3279 |
| Primary Part Number | 12612256 |
| 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 |
| Spring Free Outside Diameter | 19.1 MILLIMETERS NOMINAL MM |
| Load Rating | 480.0 POUNDS MINIMUM AND 500.0 POUNDS MAXIMUM LBS |
| End Style | SPRING END,GROUND BOTH ENDS |
| Spring Solid Length | 28.9 MILLIMETERS NOMINAL MM |
| Active Coil Quantity | 3.75 |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | ASTM A228/A228M(MUSIC WIRE) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 34.290 MILLIMETERS MINIMUM AND 36.195 MILLIMETERS MAXIMUM MM |
| Spring Deflection Rate | 309.420 NEWTONS PER MILLIMETER MINIMUM AND 378.180 NEWTONS PER MILLIMETER MAXIMUM |
| Inside Diameter | 9.86 MILLIMETERS MINIMUM AND 10.37 MILLIMETERS MAXIMUM MM |
| Coil Quantity | 5.75 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| Stock Thickness | 0.177 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-01-705-3279 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 5360-01-705-3279 has 2 manufacturer part numbers on file: 12612256 (U S Army Tank Automotive Command Amsta-Im-Mm), 613027 (Curt Manufacturing, Llc Div Curt).
Key specifications for 12612256: Spring Free Outside Diameter: 19.1 MILLIMETERS NOMINAL MM; Load Rating: 480.0 POUNDS MINIMUM AND 500.0 POUNDS MAXIMUM LBS; End Style: SPRING END,GROUND BOTH ENDS; Spring Solid Length: 28.9 MILLIMETERS NOMINAL MM. 14 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.