The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-498-4762, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 5 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-498-4762 |
| Primary Part Number | 470201AL2 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Length | 0.125 INCHES NOMINAL IN |
| Design Type | PLATE |
| Outside Diameter | 1.562 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Orifice Diameter | 0.625 INCHES NOMINAL IN |
| 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 |
|---|---|
| 470201AL2 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| PL12498531 PC NO 167 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| PL12498531 PC NO 167 | 5/9 Secondary reference U.S. Government activity |
| 068C | 3/9 Design control — primary reference U.S. Government activity |
| 068C | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 470201AL2 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 12493508 | D/9 Drawing number reference only U.S. Government activity |
| PL12498531 PC NO 167 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 470201AL2 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4730-01-498-4762 is a Restrictor,fluid Flow, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-498-4762 has 2 manufacturer part numbers on file: 470201AL2 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions), PL12498531 PC NO 167 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 470201AL2: Length: 0.125 INCHES NOMINAL IN; Design Type: PLATE; Outside Diameter: 1.562 INCHES NOMINAL IN; Special Features: USED IN COMPRESSOR CTFG; MATERIAL: ALUMINUM BRONZE. 5 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.