The Flange,pipe, cataloged under National Stock Number 4730-01-612-0004, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-612-0004 |
| Primary Part Number | 15384191 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Socket Diameter | 12.755 INCHES NOMINAL IN |
| Flange Diameter | 19.00 INCHES NOMINAL IN |
| Face Seating Surface Condition | GROUND |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.875 INCHES NOMINAL IN |
| Neck Height | 1.130 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 17.000 INCHES NOMINAL IN |
| Bore Diameter | 12.000 INCHES NOMINAL IN |
| Material | COPPER ALLOY 715 |
| Thickness | 1.06 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 |
| Part Number | Manufacturer |
|---|---|
| 15384191 PRIMARY | Naval Sea Systems Command (USA) |
| 810-7525226ITEM102 | Naval Sea Systems Command (USA) |
NSN 4730-01-612-0004 is a Flange,pipe, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-612-0004 has 2 manufacturer part numbers on file: 15384191 (Naval Sea Systems Command), 810-7525226ITEM102 (Naval Sea Systems Command).
Key specifications for 15384191: Socket Diameter: 12.755 INCHES NOMINAL IN; Flange Diameter: 19.00 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK. 12 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.