The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-167-9864, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-167-9864 |
| Primary Part Number | L4801120-003 |
| 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 | TRIANGULAR WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | PLAIN SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Nominal Length | 1.845 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 1.625 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-250/4,AL 2024-T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Document and Classification | QQ-A-250/4,AL 2024-T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALLUNABLE TO DECODE |
| Bolt Hole Nominal Diameter | 0.193 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Leg Length | 1.420 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.600 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Bolt Hole Quantity | 3 SECOND END |
| Nominal Width | 1.230 INCHES SECOND END IN |
| Thread Class | 3A FIRST END A |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Nominal Thickness | 0.060 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 |
|---|---|
| L4801120-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| L4801120 | D/9 Drawing number reference only The Boeing Company Div Legacy Am&m |
NSN 4730-01-167-9864 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 4730-01-167-9864 has 1 manufacturer part number on file: L4801120-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L4801120-003: Flange Shape: TRIANGULAR WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: PLAIN SECOND END; Connection Style: FLARED (TUBE) FIRST END. 22 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.