The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-059-9666, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-059-9666 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | TRIANGULAR WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT SECOND END |
| Nominal Length | 2.312 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 2.000 INCHES SECOND END IN |
| Material Document and Classification | AMS 4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.281 INCHES SECOND END IN |
| Leg Length | 1.805 INCHES MINIMUM AND 1.835 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.957 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Seat Angle | 25.0 DEGREES FIRST END |
| Bolt Hole Quantity | 3 SECOND END |
| Nominal Width | 2.312 INCHES SECOND END IN |
| Thread Quantity Per Inch | 12 FIRST END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNS FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 477081 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 477081 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 4730-00-059-9666 is a Elbow,flange to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-059-9666: Flange Shape: TRIANGULAR WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED STRAIGHT SECOND END; Nominal Length: 2.312 INCHES SECOND END IN. 16 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.