The Flange,pipe, cataloged under National Stock Number 4730-01-314-2138, 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 14 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-314-2138 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Socket Diameter | 3.500 INCHES NOMINAL IN |
| Flange Diameter | 8.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Tube Outside Diameter for Which Designed | 3.000 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK W/O BRAZING RING |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| Neck Height | 1.100 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-390,ALLOY D5,TYPE III FED SPEC SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 6.062 INCHES NOMINAL IN |
| Bore Diameter | 3.358 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.460 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 |
|---|---|
| 513-4683935 ITEM F20 | 5/2 Secondary reference U.S. Government activity |
| 4687676-55 | 5/2 Secondary reference U.S. Government activity |
| 2621-228-02PC55 | 5/2 Secondary reference U.S. Government activity |
| 2621-228-02 | D/9 Drawing number reference only U.S. Government activity |
| 4687676 | D/9 Drawing number reference only U.S. Government activity |
| 4687676-0055 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-314-2138 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-314-2138: Socket Diameter: 3.500 INCHES NOMINAL IN; Flange Diameter: 8.000 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Tube Outside Diameter for Which Designed: 3.000 INCHES NOMINAL IN. 14 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.