The Spring,helical,torsion, cataloged under National Stock Number 5360-01-431-2211, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Associated Spring Us, Llc Div Corry. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-431-2211 |
| Primary Part Number | T135-180-977-L |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Associated Spring Us, Llc Div Corry |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.491 INCHES NOMINAL IN |
| End Style | ONE HOOK END BOTH ENDS |
| End Length | 4.000 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.283 INCHES MINIMUM IN |
| Inside Diameter | 1.221 INCHES NOMINAL IN |
| Stock Diameter | 0.135 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL COMP 302 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| 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 |
|---|---|
| T135-180-977-L PRIMARY | Associated Spring Us, Llc Div Corry (USA) |
| Reference | Meaning |
|---|---|
| 3070AS960-1 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5360-01-431-2211 is a Spring,helical,torsion, manufactured by Associated Spring Us, Llc Div Corry, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-431-2211 has 1 manufacturer part number on file: T135-180-977-L (Associated Spring Us, Llc Div Corry).
Key specifications for T135-180-977-L: Spring Free Outside Diameter: 1.491 INCHES NOMINAL IN; End Style: ONE HOOK END BOTH ENDS; End Length: 4.000 INCHES NOMINAL BOTH ENDS IN; Style Designator: SINGLE TORSION LEFT HAND. 12 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.