The Elbow,flange to Tube, cataloged under National Stock Number 4730-00-558-0126, 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 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-558-0126 |
| Item Name | Elbow,flange to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Recess Nominal Depth | 0.040 INCHES SECOND END IN |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flow Angle | 45.0 DEGREES |
| Flange Face Design | RECESSED STRAIGHT SECOND END |
| Nominal Length | 2.090 INCHES SECOND END IN |
| Tubing Wall Nominal Thickness for Which Designed | 0.035 INCHES FIRST END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS 5557 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Leg Length | 3.101 INCHES NOMINAL FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.600 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Width | 2.090 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.600 INCHES SECOND END IN |
| Material | STEEL COMP 321 OVERALL |
| Nominal Thickness | 0.090 INCHES SECOND END IN |
| Recess Nominal Diameter | 0.930 INCHES SECOND END IN |
| 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 |
|---|---|
| 4014T56G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-558-0126 is a Elbow,flange to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-558-0126: Recess Nominal Depth: 0.040 INCHES SECOND END IN; Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 45.0 DEGREES; Flange Face Design: RECESSED STRAIGHT SECOND END. 18 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.