The Vacuum Pump,rotary, cataloged under National Stock Number 4310-01-462-1972, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Precision Scientific Petroleum Instruments Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-462-1972 |
| Primary Part Number | DD-20 |
| Item Name | Vacuum Pump,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Precision Scientific Petroleum Instruments Co |
| Status | ACTIVE |
| Pumping Element Type | ROTARY PISTON |
| Air Displacement Rate | 0.7 CUBIC METERS PER MINUTE IN FREE AIR |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 2875.0 AND 3450.0 |
| Material | ALUMINUM ALLOY PUMP BODY |
| Cooling Medium | OIL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4310-01-462-1972 is a Vacuum Pump,rotary, manufactured by Precision Scientific Petroleum Instruments Co, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-462-1972 has 2 manufacturer part numbers on file: 10419 (Precision Scientific Petroleum Instruments Co), DD-20 (Precision Scientific Petroleum Instruments Co).
Key specifications for DD-20: Overall Height: 6.300 INCHES NOMINAL IN; Pumping Element Type: ROTARY PISTON; Overall Length: 11.100 INCHES NOMINAL IN; Overall Width: 7.700 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.