The Housing,mechanical Drive, cataloged under National Stock Number 3950-01-436-7244, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Palfinger Marine Usa, Llc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-436-7244 |
| Primary Part Number | D408426 YR |
| Item Name | Housing,mechanical Drive |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Palfinger Marine Usa, Llc |
| Status | ACTIVE |
| Specific Use | GEARCASE |
| Material | STEEL |
| Construction Type | MULTIPLE PIECE |
| 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 |
|---|---|
| D408426 YR PRIMARY | Palfinger Marine Usa, Llc (USA) |
| M903109-4 | Palfinger Marine Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| D408426 YR | 5/9 Secondary reference U.S. Government activity |
| M903109 | D/9 Drawing number reference only U.S. Government activity |
NSN 3950-01-436-7244 is a Housing,mechanical Drive, manufactured by Palfinger Marine Usa, Llc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-436-7244 has 2 manufacturer part numbers on file: D408426 YR (Palfinger Marine Usa, Llc), M903109-4 (Palfinger Marine Usa, Llc).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-439-4795. Verify interchangeability with system specifications before substitution.
Key specifications for D408426 YR: Overall Height: 1390.0 MILLIMETERS NOMINAL MM; Overall Length: 710.0 MILLIMETERS NOMINAL MM; Overall Width: 360.0 MILLIMETERS NOMINAL MM; Specific Use: GEARCASE. 3 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.