The Elbow,flange, cataloged under National Stock Number 4730-01-199-7827, 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15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-199-7827 |
| Item Name | Elbow,flange |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flow Angle | 90.0 DEGREES |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 7.125 INCHES SECOND END IN |
| Bolt Circle Nominal Diameter | 9.125 INCHES FIRST END IN |
| Connection Type | FLANGE ALL ENDS |
| Bolt Hole Nominal Diameter | 0.812 INCHES ALL ENDS IN |
| Leg Length | 6.250 INCHES NOMINAL FIRST END IN |
| Leg Length | 9.625 INCHES NOMINAL SECOND END IN |
| Nominal Outside Diameter | 11.500 INCHES FIRST END IN |
| Nominal Outside Diameter | 8.750 INCHES SECOND END IN |
| Bolt Hole Quantity | 10 ALL ENDS |
| Material | NICKEL ALLOY OVERALL |
| Nominal Thickness | 1.500 INCHES ALL ENDS 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 |
|---|---|
| 15-97-5138 | 5/2 Secondary reference U.S. Government activity |
| 2640-049 | D/9 Drawing number reference only U.S. Government activity |
| 2640-049 PIECE 4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-199-7827 is a Elbow,flange, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-199-7827: Flange Shape: ROUND WITH HOLES ALL ENDS; Flow Angle: 90.0 DEGREES; Flange Face Design: RAISED STRAIGHT FIRST END; Flange Face Design: PLAIN SECOND END. 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.