The Compressor Unit,rotary, cataloged under National Stock Number 4310-01-375-8621, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-375-8621 |
| Primary Part Number | QSBFW31SWA |
| Item Name | Compressor Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | THREE |
| Frequency in Hertz | 60.0 |
| Voltage in Volts and Current Type | 460.0 AC |
| Discharge Pressure | 140.000 POUNDS PER SQUARE INCH GAGE LBS |
| Gas for Which Designed | AIR |
| Stage Quantity | 1 |
| Compressor Cooling Medium | SALT WATER |
| Discharge Flow Rate | 100.000 CUBIC FEET PER MINUTE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Compressor Quantity | 1 |
| Rotary Compressor Design | AXIAL SCREW |
| 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 |
|---|---|
| QSBFW31SWA PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
NSN 4310-01-375-8621 is a Compressor Unit,rotary, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-375-8621 has 1 manufacturer part number on file: QSBFW31SWA (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
Key specifications for QSBFW31SWA: Discharge Connection Quantity: 1; Phase: THREE; Frequency in Hertz: 60.0; Voltage in Volts and Current Type: 460.0 AC. 13 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.