The Flange,pipe, cataloged under National Stock Number 4730-01-306-3133, 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 Mcjunkin Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-306-3133 |
| Primary Part Number | 2 1/2X2 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mcjunkin Corp |
| Status | ACTIVE |
| Flange Diameter | 7.000 INCHES NOMINAL IN |
| Face Seating Surface Condition | GROUND |
| Nominal Pipe Size for Which Designed | 2.500 INCHES IN |
| Flange Section Style | PLAIN FACE, RAISED NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.750 INCHES NOMINAL IN |
| Neck Height | 0.240 INCHES NOMINAL IN |
| Nominal Thread Size | 2.000 INCHES IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 5.500 INCHES NOMINAL IN |
| Screw Thread Series Designator | NPT |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.880 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 |
|---|---|
| 2 1/2X2 PRIMARY | Mcjunkin Corp (USA) |
| Reference | Meaning |
|---|---|
| 13222E5254-1 | 5/2 Secondary reference U.S. Government activity |
| 13222E5254 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 4730-01-306-3133 is a Flange,pipe, manufactured by Mcjunkin Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-306-3133 has 1 manufacturer part number on file: 2 1/2X2 (Mcjunkin Corp).
Key specifications for 2 1/2X2: Flange Diameter: 7.000 INCHES NOMINAL IN; Face Seating Surface Condition: GROUND; Nominal Pipe Size for Which Designed: 2.500 INCHES IN; Flange Section Style: PLAIN FACE, RAISED NECK. 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.