The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-00-052-5015, 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 23 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-052-5015 |
| Primary Part Number | 61E44688 |
| 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 | CAM AND PISTON |
| Intake Connection Type | THREADED INTERNAL |
| Brake Horsepower Required | 0.500 |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Vacuum Rating | 0.015 TORR |
| Drive Connection Type | SINGLE STRAND V-BELT |
| Voltage in Volts | 110.0 |
| Pump Quantity | 1 |
| Air Displacement Rate | 13.0 CUBIC FEET PER MINUTE IN FREE AIR |
| Features Provided | SEPARATOR TANK |
| Gas for Which Designed | AIR |
| Discharge Connection Thread Size and Series/type Designator | 1.000-11-1/2 NPT |
| Intake Connection Thread Size and Series/type Designator | 1.250-11-1/2 NPT |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 460.0 |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Prime Mover Type | ELECTRIC MOTOR |
| Cooling Medium | AIR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
NSN 4310-00-052-5015 is a Vacuum Pump Unit,rotary, manufactured by Welch Vacuum Technology Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-052-5015 has 2 manufacturer part numbers on file: 61E44688 (Welch Vacuum Technology Inc), 1397B-01 (La Paloma Scientific Corp).
2 possible matches (shared part number, not a government interchangeability claim): 4310-01-022-6001, 4310-01-208-4792. Verify interchangeability with system specifications before substitution.
Key specifications for 61E44688: Discharge Connection Quantity: 1; Phase: SINGLE; Pumping Element Type: CAM AND PISTON; Intake Connection Type: THREADED INTERNAL. 23 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.