The Filter Element,fluid, cataloged under National Stock Number 4330-01-027-8928, 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 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4330-01-027-8928 |
| Primary Part Number | 21623-17-3 |
| Item Name | Filter Element,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 | SINTERED OR WOVEN SINGLE FILTERING MEDIA RESPONSE |
| Body Overall Length | 3.000 INCHES NOMINAL IN |
| Filtration Rating in Microns | 45.0 ABSOLUTE AND 17.0 NOMINAL |
| Flow Direction | OUTSIDE IN |
| Largest Outside Diameter | 0.812 INCHES NOMINAL IN |
| Design Type | REUSABLE |
| Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 550.0 FAHRENHEIT MAXIMUM DEGF |
| Style Designator | CONICAL W/OUT CONTAINER |
| Smallest Outside Diameter | 0.655 INCHES NOMINAL IN |
| Body Inside Diameter | 0.625 INCHES NOMINAL IN |
| Media for Which Designed | FUEL/OIL, HYDROCARBON |
| 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 |
|---|---|
| 21623-17-3 | Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div (USA) |
| U-903 | Norman Filter Company, L.l.c. Dba Norman Filter Co Llc (USA) |
| 21623-17-3 | Pall Aeropower Corporation (USA) |
| Reference | Meaning |
|---|---|
| 12C3-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4330-01-027-8928 is a Filter Element,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 4330-01-027-8928 has 3 manufacturer part numbers on file: 21623-17-3 (Pall Aeropower Corp Sub of Pall Corp Mectron Industries Div), U-903 (Norman Filter Company, L.l.c. Dba Norman Filter Co Llc), 21623-17-3 (Pall Aeropower Corporation).
Key specifications for 21623-17-3: Filtering Media Design: SINTERED OR WOVEN SINGLE FILTERING MEDIA RESPONSE; Body Overall Length: 3.000 INCHES NOMINAL IN; Filtration Rating in Microns: 45.0 ABSOLUTE AND 17.0 NOMINAL; Flow Direction: OUTSIDE IN. 12 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.