The Pump,hydraulic, cataloged under National Stock Number 4320-01-539-9501, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Deere & Co. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-539-9501 |
| Primary Part Number | AT302661 |
| Item Name | Pump,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Deere & Co |
| 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 |
|---|---|
| AT302661 | Rdo Equipment Rdo Equipment Pty Ltd (AUS) |
| AT302661 PRIMARY | Deere & Co (USA) |
| AT302661 | Rdo Equipment Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| AT302661 | 5/9 Secondary reference Rdo Equipment Pty Ltd |
| AT302661 | 5/9 Secondary reference Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery |
NSN 4320-01-539-9501 is a Pump,hydraulic, manufactured by Deere & Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-539-9501 has 3 manufacturer part numbers on file: AT302661 (Rdo Equipment Rdo Equipment Pty Ltd), AT302661 (Deere & Co), AT302661 (Rdo Equipment Pty Ltd).
Key specifications for AT302661: Special Features: ALSO CALLED PUMP,HYDRAULIC RAM; Part Name Assigned by Controlling Agency: HYDRAULIC PUMP (MAIN HYDRAULIC PUMP WITH AUXILIARY DRIVE); End Item Identification: MAIN HYDRAULIC SYSTEM/PUMP (670D/672D MOTOR GRADER PC9448). 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.