The Compressor Unit,centrifugal, cataloged under National Stock Number 4310-00-718-6438, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-718-6438 |
| Primary Part Number | 1H2500 |
| Item Name | Compressor Unit,centrifugal |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Centrifugal Compressor Design | AXIAL FLOW |
| Cooling System Design | MIXED |
| Compressed Gas Cooling Medium | SALT WATER |
| Duty Cycle in Percent | 100 |
| Gas Cooling Equipment Type | LIQUID TYPE AFTERCOOLER |
| Operating Pressure and Type | 1150.0 POUNDS PER SQUARE INCH GAUGE (PSIG) STEAM NOMINAL REQUIRED LBS |
| Discharge Pressure | 25.000 POUNDS PER SQUARE INCH GAGE LBS |
| Silencer Type | INLET |
| Gas for Which Designed | AIR |
| Prime Mover Cooling Medium | AIR |
| Stage Quantity | 1 |
| Temp Rating Per Function | 348.9 CELSIUS STEAM DEGC |
| Compressor Cooling Medium | AIR |
| Safety Device Type | RELIEF VALVE |
| Discharge Connection Type | ROUND FLANGE |
| Discharge Flow Rate | 1400.000 CUBIC FEET PER MINUTE |
| Intake Connection Quantity | 1 |
| Prime Mover Type | STEAM TURBINE |
| Compressor Quantity | 1 |
| 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 |
|---|---|
| 1H2500 | Flowserve Corporation Dba Flowserve Div Services Business Unit (USA) |
| 1H2500 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 1H2500 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 1H2500 | 5/9 Secondary reference U.S. Government activity |
| 1H2500 | 5/9 Secondary reference U.S. Government activity |
NSN 4310-00-718-6438 is a Compressor Unit,centrifugal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-718-6438 has 2 manufacturer part numbers on file: 1H2500 (Flowserve Corporation Dba Flowserve Div Services Business Unit), 1H2500 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 1H2500: Discharge Connection Quantity: 1; Centrifugal Compressor Design: AXIAL FLOW; Cooling System Design: MIXED; Compressed Gas Cooling Medium: SALT WATER. 21 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.