The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-00-618-8958, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash. Government technical data includes 20 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-618-8958 |
| Primary Part Number | AA598 |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Pumping Element Type | LOBE |
| Intake Connection Type | FLANGED |
| Brake Horsepower Required | 1.500 |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Vacuum Rating | 381.0 TORR |
| Drive Connection Type | CLOSE COUPLED |
| Voltage in Volts | 440.0 |
| Air Displacement Rate | 14.0 CUBIC FEET PER MINUTE IN FREE AIR |
| Gas for Which Designed | AIR |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 1750.0 |
| Discharge Connection Type | FLANGED |
| Intake Connection Quantity | 1 |
| System Design | CORROSIVE |
| Prime Mover Type | ELECTRIC MOTOR |
| Cooling Medium | ANY ACCEPTABLE |
| Furnished Items | VACUUM PRIMING VALVE |
| 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 |
|---|---|
| AA598 PRIMARY | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
| Reference | Meaning |
|---|---|
| 509-1938279REVA | 5/2 Secondary reference U.S. Government activity |
| 509-1938279 | 5/2 Secondary reference U.S. Government activity |
NSN 4310-00-618-8958 is a Vacuum Pump Unit,rotary, manufactured by Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-618-8958 has 1 manufacturer part number on file: AA598 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash).
Key specifications for AA598: Discharge Connection Quantity: 1; Phase: THREE; Pumping Element Type: LOBE; Intake Connection Type: FLANGED. 20 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.