The Trestle,hoist,portable, cataloged under National Stock Number 3950-01-305-5839, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Columbus Mckinnon Corporation Dba Cm Shredder. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-305-5839 |
| Primary Part Number | 404WNB |
| Item Name | Trestle,hoist,portable |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Columbus Mckinnon Corporation Dba Cm Shredder |
| Status | ACTIVE |
| Frame Material | STEEL |
| 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 |
|---|---|
| 404WNB PRIMARY | Columbus Mckinnon Corporation Dba Cm Shredder (USA) |
| 404WNB | Torqhoist, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 404WN | 5/9 Secondary reference Duff-Norton Co Inc |
| 404WNA | 3/9 Design control — primary reference Duff-Norton Co Inc |
| 404WN | 5/9 Secondary reference Duff-Norton Co Inc |
| 404WNA | 5/9 Secondary reference Torqhoist, Inc. |
NSN 3950-01-305-5839 is a Trestle,hoist,portable, manufactured by Columbus Mckinnon Corporation Dba Cm Shredder, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-305-5839 has 2 manufacturer part numbers on file: 404WNB (Columbus Mckinnon Corporation Dba Cm Shredder), 404WNB (Torqhoist, Inc.).
Key specifications for 404WNB: Frame Material: STEEL. 1 specification is 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.