The Spring,helical,torsion, cataloged under National Stock Number 5360-01-056-8658, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-056-8658 |
| Primary Part Number | 68A732554-2001 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PS13145,TYPE 2,CLASS 1,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| End Style | ONE HOOK END OVERALL |
| End Length | 0.650 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.484 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-423 TYPE 1 CLASS 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.660 INCHES MINIMUM AND 1.700 INCHES MAXIMUM IN |
| Coil Axis to Center Section Distance | 0.760 INCHES NOMINAL IN |
| Inside Diameter | 0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN |
| Coil Quantity | 11.6 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Center Style | SQUARE TYPE |
| Material | STEEL COMP 1060 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 68A732554-2001 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 68A732554-2001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-056-8658 is a Spring,helical,torsion, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-056-8658 has 1 manufacturer part number on file: 68A732554-2001 (The Boeing Company Div Defense).
Key specifications for 68A732554-2001: Spring Free Outside Diameter: 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN; Surface Treatment Document and Classification: PS13145,TYPE 2,CLASS 1,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL; End Style: ONE HOOK END OVERALL; End Length: 0.650 INCHES NOMINAL BOTH ENDS IN. 16 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.
NSN 5360-01-056-8658 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.