The Spring,helical,torsion, cataloged under National Stock Number 5360-00-320-5243, 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 18 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 | 5360-00-320-5243 |
| Primary Part Number | 20-68105-5 |
| 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 | 0.990 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13145,TYPE 1,CLASS 2,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| End Style | REDUCED LOOP END BOTH ENDS |
| End Length | 0.280 INCHES NOMINAL FIRST END IN |
| End Length | 0.330 INCHES NOMINAL SECOND END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Deflection Rate | 4.550 POUNDS PER INCH MINIMUM AND 4.950 POUNDS PER INCH MAXIMUM LBS |
| Inside Diameter | 0.870 INCHES NOMINAL IN |
| Coil Quantity | 9-3/4 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.093 INCHES NOMINAL SECOND END IN |
| Hook Radius | 0.220 INCHES NOMINAL FIRST END IN |
| Hook Leg Length | 0.093 INCHES NOMINAL SECOND END IN |
| Hook Leg Length | 0.100 INCHES NOMINAL FIRST END 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 |
|---|---|
| 20-68105-5 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5360-00-320-5243 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 5360-00-320-5243 has 1 manufacturer part number on file: 20-68105-5 (The Boeing Company Div Defense).
Key specifications for 20-68105-5: Spring Free Outside Diameter: 0.990 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13145,TYPE 1,CLASS 2,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL; End Style: REDUCED LOOP END BOTH ENDS; End Length: 0.280 INCHES NOMINAL FIRST END IN. 18 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.