The Vacuum Pump Unit,rotary, cataloged under National Stock Number 4310-01-374-7085, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Gast Mfg Corp. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-374-7085 |
| Primary Part Number | 0523-101Q-G588NDX |
| Item Name | Vacuum Pump Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Gast Mfg Corp |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Pumping Element Type | SLIDING VANE |
| Brake Horsepower Required | 0.333 |
| Frequency in Hertz | 60.0 |
| Current Type | AC |
| Vacuum Rating | 26.0 INCHES OF MERCURY IN |
| Discharge Connection Thread Series Designator | NPT |
| Drive Connection Type | CLOSE COUPLED |
| Voltage in Volts | 110.0 |
| Pump Quantity | 1 |
| Air Displacement Rate | 4.5 CUBIC FEET PER MINUTE IN FREE AIR |
| Features Provided | EXTERNAL THERMAL PROTECTOR |
| Gas for Which Designed | AIR |
| Discharge Connection Thread Size and Series/type Designator | 1/4-18 NPT |
| Stage Quantity | 1 |
| Operating Speed at Rated Capacity in RPM | 1725.0 |
| Discharge Connection Nominal Thread Size | 0.250 INCHES IN |
| Discharge Connection Type | THREADED INTERNAL |
| System Design | NONCORROSIVE |
| Prime Mover Type | ELECTRIC MOTOR |
| Cooling Medium | AIR |
| 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 |
|---|---|
| 738590-1 | Gast Mfg Corp (USA) |
| 0523-101Q-G588NDX PRIMARY | Gast Mfg Corp (USA) |
| 0523-101Q-G588DX | Isaacs Fluid Power Equipment Co (USA) |
| 0523-101Q-SG588DX | Gast Mfg Corp (USA) |
| Reference | Meaning |
|---|---|
| BC-00001-001 | C/1 Advisory reference — outside the item-of-supply concept Raytheon E-Systems, Inc |
| 0523-101Q-G582DX | 5/9 Secondary reference Gast Mfg Corp |
| 0523-101Q-G582DX | 5/9 Secondary reference Isaacs Fluid Power Equipment Co |
| 0523-101Q-G588DX | 5/9 Secondary reference Gast Mfg Corp |
| 0523-101Q-G582D | C/1 Advisory reference — outside the item-of-supply concept Gulf Controls Company, Inc. Dba Gulf Controls Co Llc |
NSN 4310-01-374-7085 is a Vacuum Pump Unit,rotary, manufactured by Gast Mfg Corp, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-374-7085 has 4 manufacturer part numbers on file: 738590-1 (Gast Mfg Corp), 0523-101Q-G588NDX (Gast Mfg Corp), 0523-101Q-G588DX (Isaacs Fluid Power Equipment Co), 0523-101Q-SG588DX (Gast Mfg Corp).
1 possible match (shared part number, not a government interchangeability claim): 4310-01-503-9485. Verify interchangeability with system specifications before substitution.
Key specifications for 0523-101Q-G588NDX: Discharge Connection Quantity: 1; Overall Height: 5.590 INCHES NOMINAL IN; Phase: SINGLE; Pumping Element Type: SLIDING VANE. 23 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.