The Vacuum Pump Unit,reciprocating, cataloged under National Stock Number 4310-01-505-9290, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-505-9290 |
| Item Name | Vacuum Pump Unit,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Pumping Element Type | PISTON |
| Intake Connection Type | THREADED INTERNAL |
| Brake Horsepower Required | 0.333 |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Vacuum Rating | 0.2 MILLITORR |
| Discharge Connection Thread Series Designator | NPT |
| Drive Connection Type | SINGLE STRAND V-BELT |
| Intake Connection Thread Pitch in Millimeters | 2.00 |
| Voltage in Volts | 110.0 |
| Pump Quantity | 1 |
| Air Displacement Rate | 5.0 CUBIC FEET PER MINUTE IN FREE AIR |
| Gas for Which Designed | AIR |
| Discharge Connection Thread Size and Series/type Designator | 5.750-14 NPT |
| Discharge Connection Thread Pitch in Millimeters | 2.00 |
| Intake Connection Thread Size and Series/type Designator | 1.00-11-1/2 NPT |
| Intake Connection Thread Series Designator | NPT |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 630.0 |
| Discharge Connection Type | THREADED INTERNAL |
| Cylinder Arrangement Style | VERTICAL DESIGN |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| KC5 | 3/9 Design control — primary reference Tuthill Corporation Dba Tuthill Vac & Blower Systems Div Tuthill Vacuum Systems |
NSN 4310-01-505-9290 is a Vacuum Pump Unit,reciprocating, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
Key specifications for 4310-01-505-9290: Discharge Connection Quantity: 1; Overall Height: 17.880 INCHES NOMINAL IN; Phase: SINGLE; Pumping Element Type: PISTON. 25 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.