The Vacuum Pump,rotary, cataloged under National Stock Number 4310-01-319-5309, 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 18 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 | 4310-01-319-5309 |
| Primary Part Number | AT-64 |
| Item Name | Vacuum Pump,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 |
| Pumping Element Type | ANY ACCEPTABLE |
| Intake Connection Type | THREADED INTERNAL |
| Brake Horsepower Required | 5.000 |
| Vacuum Rating | 28.0 INCHES OF MERCURY IN |
| Discharge Connection Thread Series Designator | NPT |
| Drive Connection Type | FLEXIBLE COUPLED |
| Air Displacement Rate | 60.0 CUBIC METERS PER MINUTE IN FREE AIR |
| Discharge Connection Thread Size and Series/type Designator | 1 1/2-11 1/2 NPT |
| Intake Connection Thread Size and Series/type Designator | 3/8-18 NPT AND 2-11 1/2 NPT |
| Intake Connection Thread Series Designator | NPT |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 1730.0 |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 2 |
| System Design | NONCORROSIVE |
| Material | COPPER ALLOY PUMP BODY |
| 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 |
|---|---|
| AT-64 PRIMARY | Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA) |
NSN 4310-01-319-5309 is a Vacuum Pump,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 4310-01-319-5309 has 1 manufacturer part number on file: AT-64 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash).
Key specifications for AT-64: Discharge Connection Quantity: 1; Pumping Element Type: ANY ACCEPTABLE; Intake Connection Type: THREADED INTERNAL; Brake Horsepower Required: 5.000. 18 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.