The Pump,rotary, cataloged under National Stock Number 4320-00-407-8730, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Parker Hannifin Corporation Div Cylinder Division. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-407-8730 |
| Primary Part Number | P37X278BURU17-27BYT10-1 |
| Item Name | Pump,rotary |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Parker Hannifin Corporation Div Cylinder Division |
| Status | ACTIVE |
| Discharge Connection Quantity | 2 |
| Intake Connection Type | RECTANGULAR FLANGE AND THREADED INTERNAL |
| Pumping Element Operating Position | HORIZONTAL |
| Drive Shaft Length | 1.940 INCHES NOMINAL IN |
| Drive Connection Type | CLOSE COUPLED |
| Operating Speed at Rated Capacity | 2000.0 REVOLUTIONS PER MINUTE |
| Discharge Connection Thread Size and Series/type Designator | 1.000-14 NPT |
| Drive Shaft Type | KEY TYPE, EXTERNAL |
| Intake Connection Thread Size and Series/type Designator | 0.750-14 NPT |
| Discharge Pressure | 000.0 COMPREHENSIVE PROCUREMENT GUIDELINE - CONSTRUCTION PRODUCTS - CEMENT AND CONCRETE CONTAINING SILICA FUME |
| Maximum Discharge Flow Rate | 53.0 GALLONS PER MINUTE AND 22.0 GALLONS PER MINUTE |
| Drive Shaft End Diameter | 1.250 INCHES NOMINAL IN |
| Rotary Pump Design | GEAR |
| Discharge Connection Type | RECTANGULAR FLANGE AND THREADED INTERNAL |
| Intake Connection Quantity | 2 |
| Media for Which Designed | HYDROCARBON FUELS AND OILS |
| Pump Rotation Direction | COUNTERCLOCKWISE |
| Operation Method | POWERED |
| 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 |
|---|---|
| P37X278BURU17-27BYT10-1 PRIMARY | Parker Hannifin Corporation Div Cylinder Division (USA) |
| Reference | Meaning |
|---|---|
| A38514 | 5/2 Secondary reference U.S. Government activity |
NSN 4320-00-407-8730 is a Pump,rotary, manufactured by Parker Hannifin Corporation Div Cylinder Division, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-407-8730 has 1 manufacturer part number on file: P37X278BURU17-27BYT10-1 (Parker Hannifin Corporation Div Cylinder Division).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-705-6281. Verify interchangeability with system specifications before substitution.
Key specifications for P37X278BURU17-27BYT10-1: Discharge Connection Quantity: 2; Intake Connection Type: RECTANGULAR FLANGE AND THREADED INTERNAL; Pumping Element Operating Position: HORIZONTAL; Drive Shaft Length: 1.940 INCHES NOMINAL IN. 18 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.