The Pump,hydraulic, cataloged under National Stock Number 4320-01-565-4341, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Viking Pump, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Pump,hydraulic |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Viking Pump, Inc (CAGE 63097) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-565-4341 |
| Primary Part Number | L-0570-1852-082 |
| Item Name | Pump,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Viking Pump, 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 |
|---|---|
| 3670041 | Oshkosh Defense Llc (USA) |
| L-0570-1852-082 PRIMARY | Viking Pump, Inc (USA) |
| Reference | Meaning |
|---|---|
| 3670041 | 7/9 Vendor item drawing reference Oshkosh Corp |
NSN 4320-01-565-4341 is a Pump,hydraulic, manufactured by Viking Pump, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-565-4341 has 2 manufacturer part numbers on file: 3670041 (Oshkosh Defense Llc), L-0570-1852-082 (Viking Pump, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-565-5723, 3110-01-565-6509. Verify interchangeability with system specifications before substitution.
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.