The Head,fluid Filter, cataloged under National Stock Number 4330-01-166-6880, 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 Donaldson Company, Inc.. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 — Centrifugals, Separators, and Pressure and Vacuum Filters (FSG 43) |
| Manufacturers | Donaldson Company, Inc. (CAGE 13520) |
| Parameter | Value |
|---|---|
| NSN | 4330-01-166-6880 |
| Primary Part Number | 321808 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Donaldson Company, Inc. |
| 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 |
|---|---|
| 321808 PRIMARY | Donaldson Company, Inc. (USA) |
| 421705 PIECE 1 | Donaldson Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 421705 | D/9 Drawing number reference only Donaldson Company, Inc. |
NSN 4330-01-166-6880 is a Head,fluid Filter, manufactured by Donaldson Company, Inc., classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-166-6880 has 2 manufacturer part numbers on file: 321808 (Donaldson Company, Inc.), 421705 PIECE 1 (Donaldson Company, Inc.).
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.