The Cover,fluid Filter, cataloged under National Stock Number 4330-01-178-9970, 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 General Electric Company. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Cover,fluid Filter |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | General Electric Company (CAGE 24446) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-178-9970 |
| Primary Part Number | 134B221AD1 |
| Item Name | Cover,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | General Electric Company |
| 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 |
|---|---|
| 134B221AD1 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 134B221A01 | 3/9 Design control — primary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 7027E61AC PIECE 6 | 5/9 Secondary reference General Electric Co Naval and Drive Turbine Systems Dept |
| 134B221AD1 | C/1 Advisory reference — outside the item-of-supply concept General Electric Co Naval and Drive Turbine Systems Dept |
NSN 4330-01-178-9970 is a Cover,fluid Filter, manufactured by General Electric Company, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-178-9970 has 1 manufacturer part number on file: 134B221AD1 (General Electric Company).
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.