The Filtering Disk,fluid, cataloged under National Stock Number 4330-01-412-3881, 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 Oil States Industries, Inc. Div Special Products Div. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Filtering Disk,fluid |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Oil States Industries, Inc. Div Special Products Div (CAGE 18444) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-412-3881 |
| Primary Part Number | 302565 ITEM 4 |
| Item Name | Filtering Disk,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Oil States Industries, Inc. Div Special Products Div |
| Status | ACTIVE |
| 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 |
|---|---|
| 302565 ITEM 4 PRIMARY | Oil States Industries, Inc. Div Special Products Div (USA) |
| 302599-101 | Oil States Industries, Inc. Div Special Products Div (USA) |
| Reference | Meaning |
|---|---|
| 302565 | D/9 Drawing number reference only Edwards Aerospace Inc |
| 302565 ITEM 4 | 5/9 Secondary reference Edwards Aerospace Inc |
| 302599-101 | 5/9 Secondary reference Edwards Aerospace Inc |
NSN 4330-01-412-3881 is a Filtering Disk,fluid, manufactured by Oil States Industries, Inc. Div Special Products Div, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-412-3881 has 2 manufacturer part numbers on file: 302565 ITEM 4 (Oil States Industries, Inc. Div Special Products Div), 302599-101 (Oil States Industries, Inc. Div Special Products Div).
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.