The Tee,flange, cataloged under National Stock Number 4730-01-016-7928, 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 The Walworth Company. Government technical data includes 24 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-016-7928 |
| Primary Part Number | 1443-8-8-4 |
| Item Name | Tee,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Flange Face Design | RAISED STRAIGHT THIRD END |
| Bolt Circle Nominal Diameter | 13.000 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 7.875 INCHES THIRD END IN |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Nominal Diameter | 0.875 INCHES THIRD END IN |
| Bolt Hole Nominal Diameter | 1.000 INCHES FIRST END IN |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 10.000 INCHES NOMINAL ALL ENDS IN |
| Nominal Outside Diameter | 15.000 INCHES FIRST END IN |
| Nominal Outside Diameter | 10.000 INCHES THIRD END IN |
| Nominal Outside Diameter | 15.000 INCHES SECOND END IN |
| Bolt Hole Quantity | 12 SECOND END |
| Bolt Hole Quantity | 12 FIRST END |
| Bolt Hole Quantity | 8 THIRD END |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | IRON OVERALLUNABLE TO DECODE |
| Raised Face Nominal Diameter | 11.938 INCHES FIRST ENDUNABLE TO DECODE IN |
| Raised Face Nominal Diameter | 11.938 INCHES SECOND ENDUNABLE TO DECODE IN |
| Raised Face Nominal Diameter | 6.938 INCHES THIRD ENDUNABLE TO DECODE IN |
| Raised Face Nominal Height | 0.062 INCHES ALL ENDSUNABLE TO DECODE IN |
| Nominal Thickness | 1.625 INCHES FIRST END IN |
| Nominal Thickness | 1.250 INCHES THIRD END 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 |
|---|---|
| 1443-8-8-4 PRIMARY | The Walworth Company (USA) |
NSN 4730-01-016-7928 is a Tee,flange, manufactured by The Walworth Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-016-7928 has 1 manufacturer part number on file: 1443-8-8-4 (The Walworth Company).
Key specifications for 1443-8-8-4: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT FIRST END; Flange Face Design: RAISED STRAIGHT THIRD END; Bolt Circle Nominal Diameter: 13.000 INCHES FIRST END IN. 24 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.