The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-641-6459, 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 15 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 | 4310-01-641-6459 |
| Primary Part Number | 93613 |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Ritchie Engineering Co Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Pumping Element Type | ROTARY PISTON |
| Intake Connection Type | FLARED TUBE |
| Frequency in Hertz | 50.0 AND -60.0 |
| Current Type | AC |
| Voltage in Volts | 115.0 AND -230.0 |
| Pump Quantity | 1 |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 50.0 AND -1725.0 |
| Discharge Connection Type | ANY ACCEPTABLE |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Prime Mover Type | ELECTRIC MOTOR |
| Intake Connection Outside Diameter | 25.0 INCHES NOMINAL IN |
| 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 |
|---|---|
| 93613 PRIMARY | Ritchie Engineering Co Inc (USA) |
NSN 4310-01-641-6459 is a Vacuum Pump Unit,rotary, manufactured by Ritchie Engineering Co Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-641-6459 has 1 manufacturer part number on file: 93613 (Ritchie Engineering Co Inc).
Key specifications for 93613: Discharge Connection Quantity: 1; Overall Height: 8.25 INCHES NOMINAL IN; Phase: SINGLE; Pumping Element Type: ROTARY PISTON. 15 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.