The Filter,fluid, cataloged under National Stock Number 4330-01-169-8739, 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. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-169-8739 |
| Primary Part Number | AD2661-12P1 |
| Item Name | Filter,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Body Outside Diameter | 3.500 INCHES NOMINAL IN |
| Features Provided | DIFFERENTIAL PRESSURE INDICATOR |
| Filtering Element Quantity | 1 |
| Body Length | 7.000 INCHES NOMINAL IN |
| Media for Which Designed | AIR |
| Material | STEEL CORROSION RESISTING FILTERING MEDIUM |
| 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 |
|---|---|
| AD2661-12P1 PRIMARY | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| Reference | Meaning |
|---|---|
| AD2661-12PY | C/1 Advisory reference — outside the item-of-supply concept Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div |
NSN 4330-01-169-8739 is a Filter,fluid, 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 4330-01-169-8739 has 1 manufacturer part number on file: AD2661-12P1 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div).
Key specifications for AD2661-12P1: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Body Outside Diameter: 3.500 INCHES NOMINAL IN; Features Provided: DIFFERENTIAL PRESSURE INDICATOR; Filtering Element Quantity: 1. 7 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.
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.