The Filter and Pressure, cataloged under National Stock Number 4330-01-278-2143, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Filter and Pressure |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-278-2143 |
| Primary Part Number | ND35790 PL-6591CP |
| Item Name | Filter and Pressure |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| ND35790 PL-6591CP | Naval Inventory Control Point Mechanicsburg (USA) |
| AC7790-31CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| AC7790-31 | 3/1 Design control — primary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| AC7790-31 | 5/1 Secondary reference Pall Aeropower Corporation |
| ND35790 PL-6591 | 5/1 Secondary reference Hale Hamilton (valves) Ltd Div Cad Uxbridge |
NSN 4330-01-278-2143 is a Filter and Pressure, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-278-2143 has 2 manufacturer part numbers on file: ND35790 PL-6591CP (Naval Inventory Control Point Mechanicsburg), AC7790-31CP (Naval Inventory Control Point Mechanicsburg).
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.