The Elbow,flange, cataloged under National Stock Number 4730-01-063-3889, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-063-3889 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN WITH GASKET GROOVE SECOND END |
| Nominal Length | 4.875 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 6.250 INCHES SECOND END IN |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Nominal Diameter | 0.500 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.312 INCHES FIRST END IN |
| Leg Length | 3.500 INCHES NOMINAL FIRST END IN |
| Leg Length | 3.250 INCHES NOMINAL SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 3.312 INCHES FIRST END IN |
| Nominal Outside Diameter | 7.312 INCHES SECOND END IN |
| Bolt Hole Quantity | 6 SECOND END |
| Bolt Hole Quantity | 4 FIRST END |
| Nominal Width | 4.875 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 3.312 INCHES FIRST END IN |
| Material | ALUMINUM OVERALL |
| Nominal Thickness | 0.562 INCHES SECOND END IN |
| Nominal Thickness | 0.562 INCHES FIRST 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 |
| Reference | Meaning |
|---|---|
| 4-312384 | 3/9 Design control — primary reference U.S. Government activity |
| 4-312384 | 5/9 Secondary reference Aerostar Global Logistics, Inc. Dba Aerostar Technical Services |
NSN 4730-01-063-3889 is a Elbow,flange, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-063-3889: Flange Shape: ROUND WITH HOLES SECOND END; Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN WITH GASKET GROOVE SECOND END. 20 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.