The Spring,helical,torsion, cataloged under National Stock Number 5360-00-320-6776, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Regal Air, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-320-6776 |
| Primary Part Number | 0660122-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Regal Air, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.625 INCHES NOMINAL IN |
| End Style | MACHINE LOOP END SECOND END |
| End Style | ONE HOOK END FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.343 INCHES NOMINAL IN |
| Inside Diameter | 0.527 INCHES NOMINAL IN |
| Coil Quantity | 6-9/64 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| End Length From Second Bend to Third Bend or End | 0.143 INCHES NOMINAL OVERALL IN |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.094 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 |
|---|---|
| 0660122-1 PRIMARY | Regal Air, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 0660122-1 | 5/9 Secondary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 5360-00-320-6776 is a Spring,helical,torsion, manufactured by Regal Air, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-320-6776 has 1 manufacturer part number on file: 0660122-1 (Regal Air, Inc.).
Key specifications for 0660122-1: Spring Free Outside Diameter: 0.625 INCHES NOMINAL IN; End Style: MACHINE LOOP END SECOND END; End Style: ONE HOOK END FIRST END; 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.