The Head,fluid Filter, cataloged under National Stock Number 4330-01-466-9131, 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 Pti Technologies Inc.. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-466-9131 |
| Primary Part Number | 6654659 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Inlet Port Type | THREADED FEMALE, GASKET SEAL |
| Outlet Thread Class | 2B |
| Inlet Nominal Thread Size | 1.062 INCHES IN |
| Outlet Port Type | THREADED FEMALE, GASKET SEAL |
| Outlet Thread Direction | RIGHT-HAND |
| Quantity | 2 |
| Outlet Thread Series Designator | UN |
| Mounting Bolt Hole | PROVIDED |
| Thread Direction | RIGHT-HAND INLET |
| Valve | INCLUDED |
| Bolt Circle Diameter | 0.250 INCHES NOMINAL IN |
| Inlet Thread Series Designator | UN |
| Valve Type | RELIEF |
| Outlet Thread Quantity Per Inch | 12 |
| Inlet Thread Quantity Per Inch | 12 |
| Filter Element | NOT INCLUDED |
| Material | ALUMINUM ALLOY AND STEEL CORROSION RESISTING |
| Inlet Thread Class | A2B |
| Hole Diameter | 0.266 INCHES NOMINAL IN |
| Outlet Nominal Thread Size | 1.062 INCHES IN |
| 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 |
|---|---|
| 6654659 PRIMARY | Pti Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6654524 | D/9 Drawing number reference only Pti Technologies Inc. |
NSN 4330-01-466-9131 is a Head,fluid Filter, manufactured by Pti Technologies Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-466-9131 has 1 manufacturer part number on file: 6654659 (Pti Technologies Inc.).
Key specifications for 6654659: Overall Height: 7.437 INCHES NOMINAL IN; Inlet Port Type: THREADED FEMALE, GASKET SEAL; Outlet Thread Class: 2B; Inlet Nominal Thread Size: 1.062 INCHES IN. 20 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.