The Shaft,transmission,pump, cataloged under National Stock Number 4320-01-448-8417, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Buffaloes Fire Pump Inc. Dba R B Pump Co. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-448-8417 |
| Primary Part Number | D-6053-3-3640 |
| Item Name | Shaft,transmission,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Buffaloes Fire Pump Inc. Dba R B Pump Co |
| Status | ACTIVE |
| Shaft Type | IMPELLER SHAFT |
| Shaft Largest Diameter | 1.000 INCHES NOMINAL IN |
| Pump Type for Which Designed | CENTRIFUGAL |
| Shaft Length | 25.375 INCHES NOMINAL IN |
| Pump Design Control Activity | 62503 |
| First End Connection Type | OPEN END SLOT |
| Pump Model Number for Which Designed | D-6053 |
| Material | NICKEL ALLOY |
| Second End Connection Type | GROOVED |
| 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 |
|---|---|
| D-6053-3-3640 PRIMARY | Buffaloes Fire Pump Inc. Dba R B Pump Co (USA) |
NSN 4320-01-448-8417 is a Shaft,transmission,pump, manufactured by Buffaloes Fire Pump Inc. Dba R B Pump Co, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-448-8417 has 1 manufacturer part number on file: D-6053-3-3640 (Buffaloes Fire Pump Inc. Dba R B Pump Co).
Key specifications for D-6053-3-3640: Shaft Type: IMPELLER SHAFT; Shaft Largest Diameter: 1.000 INCHES NOMINAL IN; Pump Type for Which Designed: CENTRIFUGAL; Shaft Length: 25.375 INCHES NOMINAL IN. 9 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.