The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-591-5651, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Ritchie Engineering Co Inc. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-591-5651 |
| Primary Part Number | 93580 |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Ritchie Engineering Co Inc |
| Status | ACTIVE |
| Phase | SINGLE |
| Pumping Element Type | ROTARY PISTON |
| Intake Connection Type | FLANGED |
| Brake Horsepower Required | 0.500 |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Voltage in Volts | 115.0 |
| Air Displacement Rate | 8.0 CUBIC FEET PER MINUTE IN FREE AIR |
| Gas for Which Designed | AIR |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 725.0 |
| System Design | NONCORROSIVE |
| Prime Mover Type | ELECTRIC MOTOR |
| Mounting Type | HAND CARRY |
| 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 |
|---|---|
| 93580 PRIMARY | Ritchie Engineering Co Inc (USA) |
NSN 4310-01-591-5651 is a Vacuum Pump Unit,rotary, manufactured by Ritchie Engineering Co Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-591-5651 has 1 manufacturer part number on file: 93580 (Ritchie Engineering Co Inc).
Key specifications for 93580: Phase: SINGLE; Pumping Element Type: ROTARY PISTON; Intake Connection Type: FLANGED; Brake Horsepower Required: 0.500. 14 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.