The Pump,hydraulic, cataloged under National Stock Number 4320-01-655-9187, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-655-9187 |
| Primary Part Number | AA4VG71EP4D1/32L-NSF52FOO1DP |
| Item Name | Pump,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| 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 |
|---|---|
| AA4VG71EP4D1/32L-NSF52FOO1DP | Hydraulic Controls, Inc. (USA) |
| AA4VG71EP4D1/32L-NSF52FOO1DP PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
NSN 4320-01-655-9187 is a Pump,hydraulic, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-655-9187 has 2 manufacturer part numbers on file: AA4VG71EP4D1/32L-NSF52FOO1DP (Hydraulic Controls, Inc.), AA4VG71EP4D1/32L-NSF52FOO1DP (Bosch Rexroth Corporation Div Industrial Hydraulics).
Key specifications for AA4VG71EP4D1/32L-NSF52FOO1DP: Special Features: VAR. SWASHPLATE DESIGN; NOM. PRESSURE: 5800 PSI (400 BAR), PEAK: 6500 PSI (450 BAR); CLOSED CIRCUIT; ELECTRIC CONTROL W/SUPPLY FILTRATION - 24 VDC; W/STD PRESSURE CUT-OFF, W/O DA CONTROL VALVE; ROTATION: CCW; SPLINED SHAFT FOR SINGLE PUMP; MOUNTING FLANGE: SAE J744 - 2+4 BOLT; SAE FLANGE PORTS, SUCTION PORT S BOTTOM; W/INTEGRATED BOOST PUMP, W/O THROUGH DRIVE; W/HIGH-PRESSURE RELIEF VALVE, PILOT OPERATED - 1450 - 6100 PSI W/BYPASS; FILTRATION IN SUCTION LINE OF BOOST PUMP, PORTS FOR EXT. BOOST CIRCUIT FILTRATION; FILTER MOUNTED W/COLD START VALVE AND CONTAMINATION INDICATOR THRU WINDOW VDC; Part Name Assigned by Controlling Agency: PUMP, HYD, CLOSED LOOP; PISTON VARIABLE PUMP. 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.