The Filter Element,fluid, cataloged under National Stock Number 4330-01-028-5539, 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 Staples & Pfeiffer, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-028-5539 |
| Primary Part Number | 1450-4IN7-004SS150MESH |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Staples & Pfeiffer, Inc. |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Flow Direction | INSIDE OUT |
| Drop Pressure | ERR-060 |
| Design Type | REUSABLE |
| Temp Rating | 150.0 FAHRENHEIT NOMINAL DEGF |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) |
| Material | STEEL COMP 304L 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 |
|---|---|
| 1450-4IN7-004SS150MESH PRIMARY | Staples & Pfeiffer, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1450-7-4IN | 5/9 Secondary reference Staples & Pfeiffer, Inc. |
| 1450 | D/9 Drawing number reference only Staples & Pfeiffer, Inc. |
| 1450-4IN7-004SS | C/1 Advisory reference — outside the item-of-supply concept Staples & Pfeiffer, Inc. |
NSN 4330-01-028-5539 is a Filter Element,fluid, manufactured by Staples & Pfeiffer, Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-028-5539 has 1 manufacturer part number on file: 1450-4IN7-004SS150MESH (Staples & Pfeiffer, Inc.).
Key specifications for 1450-4IN7-004SS150MESH: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Flow Direction: INSIDE OUT; Drop Pressure: ERR-060; Design Type: REUSABLE. 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.