The Filter Assembly,fluid, cataloged under National Stock Number 4330-01-452-8301, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Filter Assembly,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 | 4330-01-452-8301 |
| Primary Part Number | 303032-400 |
| Item Name | Filter Assembly,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 |
|---|---|
| 303032-400 PRIMARY | Oil States Industries, Inc. Div Special Products Div (USA) |
| Reference | Meaning |
|---|---|
| 302748 ITEM 2 | 5/9 Secondary reference Edwards Aerospace Inc |
| 302748 ITEM 2 | 5/9 Secondary reference Edwards Aerospace Inc |
| 302719 ITEM 2 | 5/9 Secondary reference Edwards Aerospace Inc |
| 303032-400 | 3/9 Design control — primary reference Edwards Aerospace Inc |
| 302719 | D/9 Drawing number reference only Edwards Aerospace Inc |
| 302719 ITEM 2 | 5/9 Secondary reference Edwards Aerospace Inc |
| 302748 | D/9 Drawing number reference only Edwards Aerospace Inc |
NSN 4330-01-452-8301 is a Filter Assembly,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 4330-01-452-8301 has 1 manufacturer part number on file: 303032-400 (Oil States Industries, Inc. Div Special Products Div).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-564-6209. Verify interchangeability with system specifications before substitution.
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.