The Vacuum Pump Unit,reciprocating, cataloged under National Stock Number 4310-01-081-4012, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Thomas Industries Inc Pneumotive Div. Government technical data includes 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4310-01-081-4012 |
| Primary Part Number | GH-7V4-H30 |
| Item Name | Vacuum Pump Unit,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Thomas Industries Inc Pneumotive Div |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Pumping Element Type | PISTON |
| Intake Connection Type | THREADED INTERNAL |
| Brake Horsepower Required | 1.000 |
| Frequency in Hertz | 50.0 AND 60.0 |
| Current Type | AC |
| Vacuum Rating | 698.5 TORR |
| Special Test Features | DERATE CAPACITY 17 PCT FOR 50 HZ USE |
| Voltage in Volts | 230.0 AND 460.0 |
| Pump Quantity | 2 |
| Air Displacement Rate | 7.8 CUBIC FEET PER MINUTE IN FREE AIR |
| Control Device Type | AUTOMATIC START-STOP |
| Gas for Which Designed | AIR |
| Intake Connection Thread Size and Series/type Designator | 1/4-18 NPT |
| Stage Quantity | 1 |
| Safety Device Type | SAFETY RELIEF VALVE |
| Cylinder Arrangement Style | HORIZONTALLY OPPOSED DESIGN |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Prime Mover Type | ELECTRIC MOTOR |
| Pump Cylinder Quantity | 4 |
| Cooling Medium | AIR |
| Furnished Items | EXHAUST MUFFLER AND VACUUM GAGE |
| Mounting Type | HORIZONTAL TANK |
| Vacuum Storage Tank Capacity | 4.0 CUBIC FEET |
| Current Rating in Amps | 3.2 AND 1.6 |
| 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 |
|---|---|
| GH-7V4-H30 PRIMARY | Thomas Industries Inc Pneumotive Div (USA) |
| Reference | Meaning |
|---|---|
| GH-7V4-H30 | 5/9 Secondary reference Fl Industries Inc Pneumotive Div |
| 1005395-001 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 4310-01-081-4012 is a Vacuum Pump Unit,reciprocating, manufactured by Thomas Industries Inc Pneumotive Div, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-081-4012 has 1 manufacturer part number on file: GH-7V4-H30 (Thomas Industries Inc Pneumotive Div).
Key specifications for GH-7V4-H30: Discharge Connection Quantity: 1; Overall Height: 30.500 INCHES NOMINAL IN; Phase: THREE; Pumping Element Type: PISTON. 27 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.