The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-174-1575, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Ridge Instruments Co Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-174-1575 |
| Primary Part Number | 1400 BG/50/60/SE |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Ridge Instruments Co Inc |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Intake Connection Type | THREADED INTERNAL |
| Frequency in Hertz | 50.0 |
| Current Type | AC |
| Vacuum Rating | 1.0 TORR |
| Voltage in Volts | 115.0 |
| Pump Quantity | 1 |
| Air Displacement Rate | 0.9 CUBIC FEET PER MINUTE IN FREE AIR |
| Discharge Connection Thread Size and Series/type Designator | 3/4-20 UNEF |
| Intake Connection Thread Size and Series/type Designator | 3/8-18 NPT |
| Stage Quantity | 2 |
| Operating Speed at Rated Capacity in RPM | 1725.0 |
| Discharge Connection Type | THREADED INTERNAL |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Furnished Items | BELT GUARD |
| 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 |
|---|---|
| 1400 BG/50/60/SE PRIMARY | Ridge Instruments Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 7916791 | 5/9 Secondary reference Us Army Aviation and Missile Command |
| 1400 BG/50/60/SE | 5/9 Secondary reference Irt Corp |
| U 3269168 U1C | 5/2 Secondary reference U.S. Government activity |
NSN 4310-01-174-1575 is a Vacuum Pump Unit,rotary, manufactured by Ridge Instruments Co Inc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-174-1575 has 1 manufacturer part number on file: 1400 BG/50/60/SE (Ridge Instruments Co Inc).
Key specifications for 1400 BG/50/60/SE: Discharge Connection Quantity: 1; Overall Height: 12.625 INCHES NOMINAL IN; Intake Connection Type: THREADED INTERNAL; Frequency in Hertz: 50.0. 17 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.