The Inlet Filter,buna, cataloged under National Stock Number 4330-01-602-4773, 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. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4330-01-602-4773 |
| Primary Part Number | RF21**PP3YNF91 |
| Item Name | Inlet Filter,buna |
| FSC / FSG | 4330 / 43 — Centrifugals, Separators, and Pressure and Vacuum Filters |
| Manufacturer | Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products |
| 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 |
|---|---|
| RF21**PP3YNF91 PRIMARY | Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products (USA) |
| Reference | Meaning |
|---|---|
| RF2-1-924450-PP3-YN-F9-1 | 3/9 Design control — primary reference Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products |
| RF2-1-924450-PP3-YN-F9-1 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division |
NSN 4330-01-602-4773 is a Inlet Filter,buna, 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 4330-01-602-4773 has 1 manufacturer part number on file: RF21**PP3YNF91 (Parker Hannifin Corporation Div Hydraulic Filter Division - Ucc Products).
Key specifications for RF21**PP3YNF91: End Item Identification: FILTER, CART. 0 specifications are 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.