The Valve Head,hydraulic Motor-Pump, cataloged under National Stock Number 4320-01-418-8367, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Mac Taggart, Scott & Co Ltd. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-418-8367 |
| Primary Part Number | DM47850 |
| Item Name | Valve Head,hydraulic Motor-Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Mac Taggart, Scott & Co Ltd |
| Status | ACTIVE |
| Motor-Pump Model Number for Which Designed | HMA0.8 |
| Motor-Pump Design Control Activity | 7Z668 |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DM47850 PRIMARY | Mac Taggart, Scott & Co Ltd (USA) |
| EF49207 ITEM 27 | Mac Taggart, Scott & Co Ltd (USA) |
| Reference | Meaning |
|---|---|
| EF49207 | D/9 Drawing number reference only Mac Taggart, Scott & Co Ltd |
NSN 4320-01-418-8367 is a Valve Head,hydraulic Motor-Pump, manufactured by Mac Taggart, Scott & Co Ltd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-418-8367 has 2 manufacturer part numbers on file: DM47850 (Mac Taggart, Scott & Co Ltd), EF49207 ITEM 27 (Mac Taggart, Scott & Co Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-419-0530, 2825-01-450-3567. Verify interchangeability with system specifications before substitution.
Key specifications for DM47850: Motor-Pump Model Number for Which Designed: HMA0.8; Special Features: HEAT TREATED; End Item Identification: SEAWOLF CLASS SSN; Motor-Pump Design Control Activity: 7Z668. 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.
NSN 4320-01-418-8367 has DEMIL Code B. 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.