The Spring,helical,torsion, cataloged under National Stock Number 5360-00-856-9490, 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. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-856-9490 |
| Primary Part Number | VS20301-2 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.196 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | HALF HOOK OVERALL |
| End Length | 0.418 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 1.000 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Spring Free Length | 1.940 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.750 INCHES NOMINAL IN |
| Inside Diameter | 0.132 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.830 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 6-1/4 |
| Surface Treatment | CADMIUM OVERALL |
| Center Loop Radius | 0.190 INCHES NOMINAL IN |
| End Length From Second Bend to Third Bend or End | 0.300 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 |
|---|---|
| VS20301-2 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| VS20301-2 | 5/2 Secondary reference U.S. Government activity |
| BACS20M | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5360-00-856-9490 is a Spring,helical,torsion, manufactured by The Boeing Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-856-9490 has 1 manufacturer part number on file: VS20301-2 (The Boeing Company).
Key specifications for VS20301-2: Spring Free Outside Diameter: 0.196 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: HALF HOOK OVERALL; End Length: 0.418 INCHES NOMINAL BOTH ENDS IN. 14 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.