The Elbow,tube, cataloged under National Stock Number 4730-01-462-7639, 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 Defense. Government technical data includes 12 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 | 4730-01-462-7639 |
| Primary Part Number | 7M1128T4 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Connection Style | FLARED (TUBE) FIRST END |
| Criticality Code Justification | AGAV |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 1.187 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.832 INCHES NOMINAL FIRST END IN |
| Seat Angle | 45.0 DEGREES FIRST END |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | TITANIUM OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 7M1128T4 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4730-01-462-7639 is a Elbow,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-462-7639 has 1 manufacturer part number on file: 7M1128T4 (The Boeing Company Div Defense).
Key specifications for 7M1128T4: Flow Angle: 45.0 DEGREES; Connection Style: FLARED (TUBE) FIRST END; Criticality Code Justification: AGAV; Connection Type: UNTHREADED EXTERNAL TUBE FIRST END. 12 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.