The Plate,orifice,fluid, cataloged under National Stock Number 4730-01-498-4746, 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 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-498-4746 |
| Primary Part Number | 470201AL1 |
| Item Name | Plate,orifice,fluid |
| 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 |
| Nominal Overall Thickness | 0.125 INCHES IN |
| Outside Diameter | 1.562 INCHES NOMINAL IN |
| Material Document and Classification | QQ-B-671 FED STD SINGLE MATERIAL RESPONSE |
| Shape | ROUND |
| Inside Diameter | 0.750 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 470201AL1 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 396C | 3/9 Design control — primary reference U.S. Government activity |
| 470201AL1 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 470201AL1 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 396C | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 12493508 | D/9 Drawing number reference only U.S. Government activity |
| PL1298531 PC NO 202 | 5/9 Secondary reference U.S. Government activity |
| PL1298531 PC NO 202 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 4730-01-498-4746 is a Plate,orifice,fluid, 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 4730-01-498-4746 has 1 manufacturer part number on file: 470201AL1 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-498-4762. Verify interchangeability with system specifications before substitution.
Key specifications for 470201AL1: Nominal Overall Thickness: 0.125 INCHES IN; Outside Diameter: 1.562 INCHES NOMINAL IN; Material Document and Classification: QQ-B-671 FED STD SINGLE MATERIAL RESPONSE; Shape: ROUND. 6 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.