The Elbow,flange to Pipe, cataloged under National Stock Number 4730-00-110-3639, 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 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-110-3639 |
| Item Name | Elbow,flange to Pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES SECOND END |
| Flow Angle | 90.0 DEGREES |
| Nominal Pipe Size Accommodated | 0.375 INCHES FIRST END IN |
| Flange Face Design | RAISED WITH CURVE AND RADIUS SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Length | 2.250 INCHES SECOND END IN |
| Bolt Hole Nominal Diameter | 0.562 INCHES SECOND END IN |
| Leg Length | 0.750 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.187 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.125 INCHES SECOND END IN |
| Bolt Hole Quantity | 4 SECOND END |
| Nominal Width | 2.062 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.125 INCHES SECOND END IN |
| Material | COPPER OVERALL |
| Thread Series Designator | NPT FIRST END |
| Raised Face Nominal Diameter | 1.062 INCHES SECOND END IN |
| Raised Face Nominal Height | 0.218 INCHES SECOND END IN |
| Nominal Thickness | 0.312 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 |
|---|---|
| EN18-5A | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-110-3639 is a Elbow,flange to Pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-00-110-3639: Flange Shape: RECTANGULAR WITH HOLES SECOND END; Flow Angle: 90.0 DEGREES; Nominal Pipe Size Accommodated: 0.375 INCHES FIRST END IN; Flange Face Design: RAISED WITH CURVE AND RADIUS SECOND END. 19 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.