The Spring,helical,torsion, cataloged under National Stock Number 5360-01-135-2603, 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 | 5360-01-135-2603 |
| Primary Part Number | 12301595 |
| 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 | 0.620 INCHES MAXIMUM0.620 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-81562 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-C-81562 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | MACHINE LOOP END SECOND ENDMACHINE LOOP END SECOND END |
| End Style | STRAIGHT BEND END (LEFT) FIRST ENDSTRAIGHT BEND END (LEFT) FIRST END |
| Style Designator | SINGLE TORSION LEFT HANDSINGLE TORSION LEFT HAND |
| Inside Diameter | 0.492 INCHES MAXIMUM0.492 INCHES MAXIMUM IN |
| End Length From First Bend to Second Bend or End | 1.000 INCHES NOMINAL OVERALL1.000 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 10-1/210-1/2 |
| Surface Treatment | CADMIUM OVERALLCADMIUM OVERALL |
| Coil Helix Direction | LEFT-HANDLEFT-HAND |
| End Length From Second Bend to Third Bend or End | 0.600 INCHES NOMINAL OVERALL0.600 INCHES NOMINAL OVERALL IN |
| End Angular Relationship | ENDS ANGLED ONE TO OTHERENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.220 INCHES NOMINAL OVERALL0.220 INCHES NOMINAL 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 |
|---|---|
| 12301595 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5360-01-135-2603 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 5360-01-135-2603 has 1 manufacturer part number on file: 12301595 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12301595: Spring Free Outside Diameter: 0.620 INCHES MAXIMUM0.620 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-81562 MIL SPEC SINGLE TREATMENT RESPONSE OVERALLMIL-C-81562 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: MACHINE LOOP END SECOND ENDMACHINE LOOP END SECOND END; End Style: STRAIGHT BEND END (LEFT) FIRST ENDSTRAIGHT BEND END (LEFT) FIRST END. 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.