The Tee,flange to Tube, cataloged under National Stock Number 4730-00-738-5071, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 29 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-738-5071 |
| Primary Part Number | 456716 |
| Item Name | Tee,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Flange Shape | OVAL WITH HOLES THIRD ENDUNABLE TO DECODE |
| Flange Face Design | PLAIN THIRD END |
| Connection Style | PLAIN (TUBE) FIRST ENDUNABLE TO DECODE |
| Connection Style | PLAIN (TUBE) SECOND ENDUNABLE TO DECODE |
| Nominal Length | 2.676 INCHES THIRD ENDUNABLE TO DECODE IN |
| Bolt Circle Nominal Diameter | 2.272 INCHES THIRD END IN |
| Criticality Code Justification | FEAT |
| Connection Type | THREADED EXTERNAL TUBE FIRST ENDUNABLE TO DECODE |
| Connection Type | FLANGE THIRD ENDUNABLE TO DECODE |
| Connection Type | THREADED EXTERNAL TUBE SECOND ENDUNABLE TO DECODE |
| Bolt Hole Nominal Diameter | 0.280 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 1.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES SECOND END IN |
| Leg Length | 0.374 INCHES NOMINAL THIRD ENDUNABLE TO DECODE IN |
| Leg Length | 1.200 INCHES NOMINAL SECOND ENDUNABLE TO DECODE IN |
| Leg Length | 1.550 INCHES NOMINAL FIRST ENDUNABLE TO DECODE IN |
| Nominal Thread Size | 0.875 INCHES SECOND ENDUNABLE TO DECODE IN |
| Nominal Thread Size | 1.625 INCHES FIRST ENDUNABLE TO DECODE IN |
| Bolt Hole Quantity | 2 THIRD ENDUNABLE TO DECODE |
| Nominal Width | 1.294 INCHES THIRD ENDUNABLE TO DECODE IN |
| Thread Class | 2A FIRST ENDUNABLE TO DECODE A |
| Thread Class | 2A SECOND ENDUNABLE TO DECODE A |
| Thread Quantity Per Inch | 12 FIRST ENDUNABLE TO DECODE |
| Thread Quantity Per Inch | 18 SECOND ENDUNABLE TO DECODE |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UN FIRST END |
| Thread Series Designator | UNS SECOND END |
| Thread Series Designator | UNS SECOND ENDUNABLE TO DECODE |
| Nominal Thickness | 0.190 INCHES THIRD END IN |
| 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 |
|---|---|
| 456716 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 456716 | 5/9 Secondary reference General Electric Co Apparatus Sales Division of Apparatus Group |
| 456716 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 456716 | 5/9 Secondary reference Sterling Tool Inc |
NSN 4730-00-738-5071 is a Tee,flange to Tube, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-738-5071 has 1 manufacturer part number on file: 456716 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 456716: Flange Shape: OVAL WITH HOLES THIRD ENDUNABLE TO DECODE; Flange Face Design: PLAIN THIRD END; Connection Style: PLAIN (TUBE) FIRST ENDUNABLE TO DECODE; Connection Style: PLAIN (TUBE) SECOND ENDUNABLE TO DECODE. 29 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.