The Head,fluid Filter, cataloged under National Stock Number 4330-01-203-5638, 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 Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Pall Aeropower Corporation (CAGE 18350); Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (CAGE 60047) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-203-5638 |
| Primary Part Number | AA-6835-240BD1A |
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| 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 |
|---|---|
| AD-6835-24G ITEM 1 | Pall Aeropower Corporation (USA) |
| AA-6835-240BD1A PRIMARY | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| Reference | Meaning |
|---|---|
| AD-6835-24G | D/9 Drawing number reference only Pall Aeropower Corporation |
| AA-6835-240D1A | 5/9 Secondary reference Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
NSN 4330-01-203-5638 is a Head,fluid Filter, manufactured by Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-203-5638 has 2 manufacturer part numbers on file: AD-6835-24G ITEM 1 (Pall Aeropower Corporation), AA-6835-240BD1A (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div).
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.