The Adapter,pump to Motor, cataloged under National Stock Number 4320-01-398-3979, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Magnaloy Coupling Co Div of Douville-Johnston Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-398-3979 |
| Primary Part Number | M324762C4C |
| Item Name | Adapter,pump to Motor |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Magnaloy Coupling Co Div of Douville-Johnston Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| M324762C4C PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| 304-8009-01 ITEM 24 | Dynacon, Inc. Div Forum Us, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 304-8009-01 | 5/1 Secondary reference Dynacon, Inc. Div Forum Us, Inc. |
NSN 4320-01-398-3979 is a Adapter,pump to Motor, manufactured by Magnaloy Coupling Co Div of Douville-Johnston Corp, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-398-3979 has 2 manufacturer part numbers on file: M324762C4C (Magnaloy Coupling Co Div of Douville-Johnston Corp), 304-8009-01 ITEM 24 (Dynacon, Inc. Div Forum Us, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-399-1010, 6685-01-399-4892. Verify interchangeability with system specifications before substitution.
Key specifications for M324762C4C: End Item Identification: DYNACON INC. HYDROGRAPHIC WINCH MODEL 11040; 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.