The Flange,pipe, cataloged under National Stock Number 4730-01-612-2494, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-612-2494 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Diameter | 190.0 MILLIMETERS NOMINAL MM |
| Nominal Pipe Size for Which Designed | 3.000 INCHES IN |
| Flange Section Style | RAISED FACE, SOCKET NECK |
| Extra Long Reference Number | B16.5,3IN,CRES316(A182)CL150,RFSW IN |
| Style Designator | ROUND, TWO BOLT HOLE CIRCLES |
| Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| Neck Height | 1.812 INCHES NOMINAL IN |
| Material Document and Classification | ASTMB16.5 ASSN STD SINGLE MATERIAL RESPONSE |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 152.4 MILLIMETERS NOMINAL MM |
| Raised Face Diameter | 108.0 MILLIMETERS NOMINAL MM |
| Raised Face Height | 5.1 MILLIMETERS NOMINAL MM |
| Material | STEEL CORROSION RESISTING |
| Reference Number Differentiating Characteristics | EXTRA LONG REFERENCE NUMBER |
| Thickness | 22.3 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| B16.5,3IN,CRES316(A182)CL150,RF- | 3/1 Design control — primary reference The American Society of Mechanical Engineers |
NSN 4730-01-612-2494 is a Flange,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-612-2494: Flange Diameter: 190.0 MILLIMETERS NOMINAL MM; Nominal Pipe Size for Which Designed: 3.000 INCHES IN; Flange Section Style: RAISED FACE, SOCKET NECK; Extra Long Reference Number: B16.5,3IN,CRES316(A182)CL150,RFSW IN. 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.