The Spring,helical,torsion, cataloged under National Stock Number 5360-01-110-9030, 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 | 5360-01-110-9030 |
| Primary Part Number | 12257370 |
| Item Name | Spring,helical,torsion |
| 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 | 0.491 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | C-7,FORD INSTRUMENT CO MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| End Style | OFFSET HALF LOOP, RIGHT END OVERALL |
| End Length | 1.280 INCHES MINIMUM AND 1.370 INCHES MAXIMUM BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.370 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN |
| Inside Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Coil Quantity | 5 |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| End Length From Second Bend to Third Bend or End | 0.290 INCHES MINIMUM AND 0.330 INCHES MAXIMUM OVERALL IN |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.160 INCHES MINIMUM AND 0.220 INCHES MAXIMUM OVERALL 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 |
|---|---|
| 12257370 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5360-01-110-9030 is a Spring,helical,torsion, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-110-9030 has 1 manufacturer part number on file: 12257370 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12257370: Spring Free Outside Diameter: 0.491 INCHES MINIMUM AND 0.511 INCHES MAXIMUM IN; Surface Treatment Document and Classification: C-7,FORD INSTRUMENT CO MFR REF SINGLE TREATMENT RESPONSE OVERALL; End Style: OFFSET HALF LOOP, RIGHT END OVERALL; End Length: 1.280 INCHES MINIMUM AND 1.370 INCHES MAXIMUM BOTH ENDS IN. 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.