The Body,ejector,vacuum Pump, cataloged under National Stock Number 4320-01-505-4636, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Piab Usa, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Body,ejector,vacuum Pump |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Piab Usa, Inc. (CAGE 0HPX0) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-505-4636 |
| Primary Part Number | M50B6-EV |
| Item Name | Body,ejector,vacuum Pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Piab Usa, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 6391063 FIND 24 | Naval Sea Systems Command (USA) |
| M50B6-EV PRIMARY | Piab Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6391063 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4320-01-505-4636 is a Body,ejector,vacuum Pump, manufactured by Piab Usa, Inc., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-505-4636 has 2 manufacturer part numbers on file: 6391063 FIND 24 (Naval Sea Systems Command), M50B6-EV (Piab Usa, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-505-7707, 6625-01-513-1357. Verify interchangeability with system specifications before substitution.
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.