The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-166-7206, 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 Legacy Am&m. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-166-7206 |
| Primary Part Number | L4801513-009 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Flow Angle | 36.30 DEGREES |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 5.438 INCHES SECOND END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.800 INCHES FIRST END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | MIL-A-21180 CLASS 11 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.281 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 4.060 INCHES FIRST END IN |
| Leg Length | 1.860 INCHES NOMINAL SECOND END IN |
| Leg Length | 2.850 INCHES NOMINAL FIRST END IN |
| Nominal Outside Diameter | 5.720 INCHES SECOND END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Nominal Thickness | 0.250 INCHES SECOND 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 |
|---|---|
| L4801513-009 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| L4801513-007 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 4730-01-166-7206 is a Elbow,flange to Tube, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-166-7206 has 1 manufacturer part number on file: L4801513-009 (The Boeing Company Div Legacy Am&m).
Key specifications for L4801513-009: Flange Shape: ROUND WITH HOLES SECOND END; Flow Angle: 36.30 DEGREES; Flange Face Design: PLAIN SECOND END; Bolt Circle Nominal Diameter: 5.438 INCHES SECOND END IN. 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.