The Elbow,flange, cataloged under National Stock Number 4730-01-034-0042, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-034-0042 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND FIRST END |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flow Angle | 50.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Nominal Length | 2.500 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | MIL-T-7081 MIL SPEC SINGLE MATERIAL RESPONSE ELBOW |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE FLANGE |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.810 INCHES SECOND END IN |
| Nominal Outside Diameter | 2.700 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Width | 2.500 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.810 INCHES SECOND END IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Nominal Thickness | 0.125 INCHES SECOND END IN |
| Nominal Thickness | 0.063 INCHES FIRST 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 |
|---|---|
| 204-70197-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-034-0042 is a Elbow,flange, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-034-0042: Flange Shape: ROUND FIRST END; Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 50.0 DEGREES; Flange Face Design: RAISED STRAIGHT FIRST 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.