The Flange,pipe, cataloged under National Stock Number 4730-01-236-6015, 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 13 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-236-6015 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Socket Diameter | 1.359 INCHES NOMINAL IN |
| Flange Diameter | 4.250 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Socket Depth | 0.500 INCHES NOMINAL IN |
| Maximum Operating Temp and Media for Which Designed | 500.0 FAHRENHEIT ANY ACCEPTABLE DEGF |
| Flange Section Style | PLAIN FACE, SOCKET NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.500 INCHES NOMINAL IN |
| Neck Height | 0.125 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 3.125 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.563 INCHES NOMINAL 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 |
|---|---|
| M18180/2-03B01 | 5/9 Secondary reference U.S. Government activity |
| B16.5 | 3/1 Design control — primary reference U.S. Government activity |
| MIL-F-18180 | 5/9 Secondary reference U.S. Government activity |
| SWF-7182-1.000I | 5/9 Secondary reference Flowserve Inc |
| M1818012/03B01 | 5/9 Secondary reference U.S. Government activity |
| SWF7182-1.000 IN | 5/9 Secondary reference Flowserve Inc |
NSN 4730-01-236-6015 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-236-6015: Socket Diameter: 1.359 INCHES NOMINAL IN; Flange Diameter: 4.250 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Socket Depth: 0.500 INCHES NOMINAL IN. 13 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.