The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-519-3701, 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 12 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. 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 | 4310-01-519-3701 |
| Primary Part Number | 93352 |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Ritchie Engineering Co Inc |
| Status | ACTIVE |
| Intake Connection Type | FLARED TUBE |
| Frequency in Hertz | 50.0 |
| Voltage in Volts | 230.0 |
| Pump Quantity | 1 |
| Air Displacement Rate | 1.5 CUBIC FEET PER MINUTE IN FREE AIR |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 1725.0 |
| Safety Device Type | OVERLOAD RELAY |
| Intake Connection Quantity | 1 |
| Material | IRON CAST PUMP BODY |
| Prime Mover Type | ELECTRIC MOTOR |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 93352 PRIMARY | Ritchie Engineering Co Inc (USA) |
NSN 4310-01-519-3701 is a Vacuum Pump Unit,rotary, manufactured by Ritchie Engineering Co Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-519-3701 has 1 manufacturer part number on file: 93352 (Ritchie Engineering Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 6625-01-554-1887, 2840-01-606-2628. Verify interchangeability with system specifications before substitution.
Key specifications for 93352: Overall Height: 9.200 INCHES NOMINAL IN; Intake Connection Type: FLARED TUBE; Frequency in Hertz: 50.0; Voltage in Volts: 230.0. 12 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.