The Vacuum Pump,rotary, cataloged under National Stock Number 4310-01-250-0176, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4310-01-250-0176 |
| Item Name | Vacuum Pump,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pumping Element Type | ROTARY PISTON |
| Intake Connection Type | THREADED INTERNAL |
| Brake Horsepower Required | 1.500 |
| Intake Connection Inside Diameter | 2.500 INCHES NOMINAL IN |
| Air Displacement Rate | 21.0 CUBIC FEET PER MINUTE IN FREE AIR |
| Gas for Which Designed | AIR |
| Discharge Connection Thread Size and Series/type Designator | 1-11 1/2 NPT |
| Discharge Connection Inside Diameter | 1.250 INCHES NOMINAL IN |
| Intake Connection Thread Size and Series/type Designator | 2-11 1/2 NPT |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 1725.0 |
| Vapor Condensation Preventative Device | GAS BALLAST VALVING |
| Surface Treatment | ENAMEL BODY |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Material | IRON CAST PUMP BODY |
| Cooling Medium | AIR |
| Mounting Type | BASE |
| 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 |
|---|---|
| 808642-C000 | 3/9 Design control — primary reference Tuthill Corporation Dba Tuthill Vac & Blower Systems Div Tuthill Vacuum Systems |
NSN 4310-01-250-0176 is a Vacuum Pump,rotary, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
Key specifications for 4310-01-250-0176: Discharge Connection Quantity: 1; Pumping Element Type: ROTARY PISTON; Intake Connection Type: THREADED INTERNAL; Brake Horsepower Required: 1.500. 20 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.