The Vacuum Pump Unit,reciprocating, cataloged under National Stock Number 4310-01-220-6633, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-220-6633 |
| Primary Part Number | GH-7V4 |
| Item Name | Vacuum Pump Unit,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Thomas Industries Inc Pneumotive Div |
| Status | ACTIVE |
| Phase | SINGLE |
| Vacuum Rating | 8.5 PASCAL |
| Pump Quantity | 1 |
| Cylinder Arrangement Style | HORIZONTALLY OPPOSED DESIGN |
| Intake Connection Quantity | 1 |
| Pump Cylinder Quantity | 4 |
| 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 PRIMARY | Thomas Industries Inc Pneumotive Div (USA) |
| Reference | Meaning |
|---|---|
| GH-7V4 | 5/9 Secondary reference Fl Industries Inc Pneumotive Div |
NSN 4310-01-220-6633 is a Vacuum Pump Unit,reciprocating, manufactured by Thomas Industries Inc Pneumotive Div, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-220-6633 has 1 manufacturer part number on file: GH-7V4 (Thomas Industries Inc Pneumotive Div).
Key specifications for GH-7V4: Overall Height: 9.750 INCHES NOMINAL IN; Phase: SINGLE; Vacuum Rating: 8.5 PASCAL; Overall Length: 25.125 INCHES NOMINAL IN. 6 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.