The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-151-5203, 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 Boeing Company Div Commercial. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-151-5203 |
| Primary Part Number | 66-10785 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flow Angle | 79.0 DEGREES |
| Flange Face Design | PLAIN SECOND END |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Leg Length | 2.850 INCHES NOMINAL ALL ENDS IN |
| Bolt Hole Quantity | 4 SECOND END |
| Material | STEEL COMP 321 AND STEEL COMP 347 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 66-10785 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| 66-10785 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-151-5203 is a Elbow,flange to Tube, manufactured by The Boeing Company Div Commercial, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-151-5203 has 1 manufacturer part number on file: 66-10785 (The Boeing Company Div Commercial).
Key specifications for 66-10785: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 79.0 DEGREES; Flange Face Design: PLAIN SECOND END; Connection Type: FLANGE SECOND END. 8 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.
NSN 4730-01-151-5203 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.