The Filtering Disk,fluid, cataloged under National Stock Number 4330-01-221-7444, is classified within Federal Supply Class 4330 (Centrifugals, Separators, and Pressure and Vacuum Filters) of the Pumps and Compressors group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-221-7444 |
| Item Name | Filtering Disk,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Status | ACTIVE |
| Filtering Media Design | MESH SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 0.312 INCHES NOMINAL IN |
| Filtration Rating in Microns | 105.0 NOMINAL |
| Design Type | NONREUSABLE |
| Style Designator | ROUND (BASICALLY FLAT) |
| Material | STEEL CORROSION RESISTING BODY |
| Body Thickness | 0.038 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 39432 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4330-01-221-7444 is a Filtering Disk,fluid, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4710-01-296-1469. Verify interchangeability with system specifications before substitution.
Key specifications for 4330-01-221-7444: Filtering Media Design: MESH SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 0.312 INCHES NOMINAL IN; Filtration Rating in Microns: 105.0 NOMINAL; Design Type: NONREUSABLE. 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.