The Elbow,tube, cataloged under National Stock Number 4730-01-478-1715, 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 22 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-478-1715 |
| Primary Part Number | 7M149J4 |
| 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) SECOND END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Criticality Code Justification | AGAV |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Leg Length | 0.703 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.506 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNF FIRST END |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| 7M149J4 | Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply (USA) |
| 7M149J4 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| 7M149J4 | Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company (USA) |
| 7M149J4 | Nelson Aero Space, Inc. (USA) |
| 7M149J4 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 4730-01-478-1715 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 4730-01-478-1715 has 5 manufacturer part numbers on file: 7M149J4 (Allan Aircraft Supply Co., Llc Dba Allan Aircraft Supply), 7M149J4 (Sps Technologies, Llc Dba Airdrome Precision Components), 7M149J4 (Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company), 7M149J4 (Nelson Aero Space, Inc.), 7M149J4 (The Boeing Company Div Defense).
Key specifications for 7M149J4: Flow Angle: 45.0 DEGREES; Connection Style: FLARED (TUBE) SECOND END; Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END; Criticality Code Justification: AGAV. 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.