The Filter Element,fluid, cataloged under National Stock Number 4330-01-594-6399, 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 Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4330-01-594-6399 |
| Primary Part Number | 991999 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products |
| Status | ACTIVE |
| Filtration Rating in Microns | 10.0 ABSOLUTE |
| 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 |
|---|---|
| 991999 PRIMARY | Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products (USA) |
| Reference | Meaning |
|---|---|
| 621-5556-002 | 5/9 Secondary reference U.S. Government activity |
NSN 4330-01-594-6399 is a Filter Element,fluid, manufactured by Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products, classified under FSC 4330, Centrifugals, Separators, and Pressure and Vacuum Filters. Status: active.
NSN 4330-01-594-6399 has 1 manufacturer part number on file: 991999 (Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products).
Key specifications for 991999: Filtration Rating in Microns: 10.0 ABSOLUTE; Special Features: CELLULOSE CANISTER; 150PSI MAXIMUM OPERATING PRESSURE; -40 TO 225 DEG F OPERATING TEMPERATURE DEGF. 1 specification is 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.