The Head,fluid Filter, cataloged under National Stock Number 4330-01-451-0072, 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 The Entwistle Company Llc. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-451-0072 |
| Primary Part Number | 9310C5501-001 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Inlet Port Type | THREADED FEMALE, PLAIN |
| Usage Design | TWO SEDIMENT BOWLS |
| Inlet Nominal Thread Size | 1.500 INCHES IN |
| Outlet Port Type | THREADED FEMALE, PLAIN |
| Outlet Thread Direction | RIGHT-HAND |
| Mounting Method | THREAD BOWL |
| Quantity | 4 |
| Outlet Thread Series Designator | NPTF |
| Mounting Bolt Hole | PROVIDED |
| Thread Direction | RIGHT-HAND INLET |
| Valve | INCLUDED |
| Bolt Circle Diameter | 5.670 INCHES NOMINAL IN |
| Inlet Thread Series Designator | NPTF |
| Valve Type | BYPASS |
| Bowl Mounting Hole Diameter | 1.500 INCHES NOMINAL IN |
| Filter Element | NOT INCLUDED |
| Material | ALUMINUM |
| Hole Diameter | 0.375 INCHES NOMINAL IN |
| Outlet Nominal Thread Size | 1.500 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 |
|---|---|
| 9310C5501-001 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| MF2215-25-1-2-V | 5/9 Secondary reference Zinga Industries, Inc. |
| MF2215-25-1-2-V | 5/9 Secondary reference Lor Inc Hydradyne Hydraulics Div |
NSN 4330-01-451-0072 is a Head,fluid Filter, manufactured by The Entwistle Company Llc, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-451-0072 has 1 manufacturer part number on file: 9310C5501-001 (The Entwistle Company Llc).
Key specifications for 9310C5501-001: Overall Height: 3.410 INCHES NOMINAL IN; Inlet Port Type: THREADED FEMALE, PLAIN; Usage Design: TWO SEDIMENT BOWLS; Inlet Nominal Thread Size: 1.500 INCHES IN. 19 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.