The Flange,pipe, cataloged under National Stock Number 4730-01-463-6201, 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 Fonderie St-Romuald Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-463-6201 |
| Primary Part Number | 2003112 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Fonderie St-Romuald Inc |
| Status | ACTIVE |
| Socket Diameter | 1.950 INCHES NOMINAL IN |
| Flange Diameter | 5.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Maximum Operating Temp and Media for Which Designed | 425.0 FAHRENHEIT STEAM AND 200.0 FAHRENHEIT WATER AND 200.0 FAHRENHEIT GAS AND 200.0 FAHRENHEIT OIL DEGF |
| Operating Pressure and Type | 200.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Neck Height | 0.375 INCHES NOMINAL IN |
| Material Document and Classification | ASME B16.5 ASSN STD SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 3.875 INCHES NOMINAL IN |
| Bore Diameter | 1.696 INCHES NOMINAL IN |
| Material | COPPER |
| Thickness | 0.438 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 |
|---|---|
| 2003112 | Fonderie St-Romuald Inc (CAN) |
| Reference | Meaning |
|---|---|
| 21133300 | 3/9 Design control — primary reference W & O Supply Inc |
NSN 4730-01-463-6201 is a Flange,pipe, manufactured by Fonderie St-Romuald Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-463-6201 has 1 manufacturer part number on file: 2003112 (Fonderie St-Romuald Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-701-0874. Verify interchangeability with system specifications before substitution.
Key specifications for 2003112: Socket Diameter: 1.950 INCHES NOMINAL IN; Flange Diameter: 5.000 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Maximum Operating Temp and Media for Which Designed: 425.0 FAHRENHEIT STEAM AND 200.0 FAHRENHEIT WATER AND 200.0 FAHRENHEIT GAS AND 200.0 FAHRENHEIT OIL DEGF. 15 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.