The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-024-1956, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Welch Vacuum Technology Inc. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-024-1956 |
| Primary Part Number | 1376B-01 |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Welch Vacuum Technology Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Pumping Element Type | ROTARY PISTON |
| Intake Connection Type | THREADED INTERNAL |
| Brake Horsepower Required | 1.000 |
| Frequency in Hertz | 60.0 |
| Current Type | AC AND DC |
| Vacuum Rating | 508.0 TORR |
| Drive Connection Type | SINGLE STRAND V-BELT |
| Voltage in Volts | 115.0 AND 230.0 |
| Pump Quantity | 1 |
| Air Displacement Rate | 10.6 CUBIC FEET PER MINUTE IN FREE AIR |
| Gas for Which Designed | AIR |
| Discharge Connection Thread Size and Series/type Designator | 1-20 UNEF |
| Intake Connection Thread Size and Series/type Designator | 1-1/2-12 UNF |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 525.0 |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Material | STEEL AND IRON CAST PUMP BODY |
| Prime Mover Type | ELECTRIC MOTOR |
| Furnished Items | BELT GUARD AND INLET FILTER AND LUBRICATOR AND V-BELT |
| Mounting Type | BASE |
| Current Rating in Amps | 13.8 AND 6.9 |
| 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 |
|---|---|
| 1376B-01 PRIMARY | Welch Vacuum Technology Inc (USA) |
| Reference | Meaning |
|---|---|
| 1376B-01 | 3/9 Design control — primary reference Sargent-Welch Scientific Co |
NSN 4310-01-024-1956 is a Vacuum Pump Unit,rotary, manufactured by Welch Vacuum Technology Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-024-1956 has 1 manufacturer part number on file: 1376B-01 (Welch Vacuum Technology Inc).
Key specifications for 1376B-01: Discharge Connection Quantity: 1; Overall Height: 15.375 INCHES NOMINAL IN; Phase: SINGLE; Pumping Element Type: ROTARY 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.