The Compressor Unit,rotary, cataloged under National Stock Number 4310-01-345-2505, 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 24 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-345-2505 |
| Primary Part Number | 1531-311-G548X |
| Item Name | Compressor Unit,rotary |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Gast Mfg Corp |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Phase | SINGLE |
| Cooling System Design | SINGLE |
| Intake Connection Type | THREADED FEMALE |
| Frequency in Hertz | 50.0 AND 60.0 |
| Voltage in Volts and Current Type | 115.0 AC |
| Unpackaged Unit Length | 6.320 INCHES NOMINAL IN |
| Brake Power Required | 0.100 HORSEPOWER |
| Discharge Pressure | 10.000 POUNDS PER SQUARE INCH GAGE LBS |
| Compressor Speed at Rated Capacity in RPM | 3450.0 |
| Unpackaged Unit Width | 4.190 INCHES NOMINAL IN |
| Gas for Which Designed | AIR |
| Prime Mover Cooling Medium | AIR |
| Current Type and Rating in Amps | 2.3 AC AND 2.0 AC |
| Unpackaged Unit Height | 4.000 INCHES NOMINAL IN |
| Stage Quantity | 1 |
| Compressor Cooling Medium | AIR |
| Discharge Connection Type | THREADED FEMALE |
| Discharge Flow Rate | 0.950 CUBIC FEET PER MINUTE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | ELECTRIC MOTOR |
| Compressor Quantity | 1 |
| Mounting Type | BASE |
| Rotary Compressor Design | SLIDING VANE |
| 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 |
|---|---|
| 1531-311-G548X PRIMARY | Gast Mfg Corp (USA) |
| 1531-311-G548X | Isaacs Fluid Power Equipment Co (USA) |
| 6648886 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1531-311-G548X | 5/9 Secondary reference Molex Incorporated Dba Use CAGE Code 1ux99 for Cataloging Div Molex Connector Corporation |
| 1531 | 5/9 Secondary reference Molex Incorporated Dba Use CAGE Code 1ux99 for Cataloging Div Molex Connector Corporation |
NSN 4310-01-345-2505 is a Compressor Unit,rotary, manufactured by Gast Mfg Corp, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-345-2505 has 3 manufacturer part numbers on file: 1531-311-G548X (Gast Mfg Corp), 1531-311-G548X (Isaacs Fluid Power Equipment Co), 6648886 (Naval Sea Systems Command).
Key specifications for 1531-311-G548X: Discharge Connection Quantity: 1; Phase: SINGLE; Cooling System Design: SINGLE; Intake Connection Type: THREADED FEMALE. 24 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.