The Flange,pipe, cataloged under National Stock Number 4730-01-602-6571, 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 The American Society of Mechanical Engineers. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-602-6571 |
| Primary Part Number | B16.5,2IN,STL(A105),CL150,RF,SW |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Socket Diameter | 22.2 MILLIMETERS NOMINAL MM |
| Flange Diameter | 90.0 MILLIMETERS NOMINAL MM |
| Face Seating Surface Condition | UNFINISHED |
| Nominal Pipe Size for Which Designed | 2.0 INCHES IN |
| Socket Depth | 10.0 MILLIMETERS NOMINAL MM |
| Flange Section Style | RAISED FACE, SOCKET NECK |
| Neck Height | 4.4 MILLIMETERS NOMINAL MM |
| Raised Face Diameter | 30.0 MILLIMETERS NOMINAL MM |
| Raised Face Height | 2.0 MILLIMETERS NOMINAL MM |
| Material | STEEL CORROSION RESISTING |
| Thickness | 9.6 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 |
| Part Number | Manufacturer |
|---|---|
| B16.5,2IN,STL(A105),CL150,RF,SW PRIMARY | The American Society of Mechanical Engineers (USA) |
NSN 4730-01-602-6571 is a Flange,pipe, manufactured by The American Society of Mechanical Engineers, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-602-6571 has 1 manufacturer part number on file: B16.5,2IN,STL(A105),CL150,RF,SW (The American Society of Mechanical Engineers).
Key specifications for B16.5,2IN,STL(A105),CL150,RF,SW: Socket Diameter: 22.2 MILLIMETERS NOMINAL MM; Flange Diameter: 90.0 MILLIMETERS NOMINAL MM; Face Seating Surface Condition: UNFINISHED; Nominal Pipe Size for Which Designed: 2.0 INCHES IN. 11 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.