The Compressor,air, cataloged under National Stock Number 4310-01-161-1736, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Siemens Energy, Inc. Dba Dresser-Rand. The record lists 2 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Compressor,air |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Siemens Energy, Inc. Dba Dresser-Rand (CAGE 0AT62) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-161-1736 |
| Primary Part Number | IR20NL7 |
| Item Name | Compressor,air |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Siemens Energy, Inc. Dba Dresser-Rand |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| IR20NL7 PRIMARY | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| N20NL-7 PRIMARY | Siemens Energy, Inc. Dba Dresser-Rand (USA) |
| Reference | Meaning |
|---|---|
| G9933 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| G9933 | 5/9 Secondary reference U.S. Government activity |
| G9933 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| IR20NL7 | 5/9 Secondary reference U.S. Government activity |
| N20NL-7 | 5/9 Secondary reference U.S. Government activity |
NSN 4310-01-161-1736 is a Compressor,air, manufactured by Siemens Energy, Inc. Dba Dresser-Rand, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-161-1736 has 2 manufacturer part numbers on file: IR20NL7 (Siemens Energy, Inc. Dba Dresser-Rand), N20NL-7 (Siemens Energy, Inc. Dba Dresser-Rand).
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.