The Elbow,flange to Tube, cataloged under National Stock Number 4730-01-268-2017, 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 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-268-2017 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flow Angle | 45.000 DEGREES |
| Flange Face Design | PLAIN SWIVEL SECOND END |
| Surface Treatment Document and Classification | MIL-A-8625,TY II,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Connection Style | GROOVED (TUBE) FIRST END |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-A-200/B FED SPEC SINGLE MATERIAL RESPONSE AND WW-T-700/6 FED SPEC SINGLE MATERIAL RESPONSE ELBOW |
| Nominal Outside Diameter Tube Accommodated | 2.000 INCHES FIRST END IN |
| Leg Length | 3.500 INCHES NOMINAL FIRST END IN |
| Leg Length | 2.060 INCHES NOMINAL SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 6061 ELBOW |
| Material | ALUMINUM ALLOY 2024 FLANGE |
| 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 |
|---|---|
| 401833 | D/9 Drawing number reference only Eaton Aviation Corporation |
| 401833-1 | 3/9 Design control — primary reference Eaton Aviation Corporation |
NSN 4730-01-268-2017 is a Elbow,flange to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-268-2017: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 45.000 DEGREES; Flange Face Design: PLAIN SWIVEL SECOND END; Surface Treatment Document and Classification: MIL-A-8625,TY II,CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A. 15 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.