The Pump,rotary, cataloged under National Stock Number 4320-01-331-8741, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Robert Bosch Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Pump,rotary |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Daimler Truck North America Llc (CAGE 64678); Robert Bosch Llc (CAGE 53867) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-331-8741 |
| Primary Part Number | 1 547 222 006 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Robert Bosch Llc |
| 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 |
|---|---|
| 000 550 31 83 | Daimler Truck North America Llc (USA) |
| 1 547 222 006 PRIMARY | Robert Bosch Llc (USA) |
| Reference | Meaning |
|---|---|
| 000 550 31 83 | D/9 Drawing number reference only Robert Bosch Llc |
NSN 4320-01-331-8741 is a Pump,rotary, manufactured by Robert Bosch Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-331-8741 has 2 manufacturer part numbers on file: 000 550 31 83 (Daimler Truck North America Llc), 1 547 222 006 (Robert Bosch Llc).
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.