The Flange,pipe, cataloged under National Stock Number 4730-01-034-8494, 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 General Electric Company. Government technical data includes 16 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 | 4730-01-034-8494 |
| Primary Part Number | 9139M12P03 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Face Seating Surface Condition | MACHINED |
| Flange Section Style | PLAIN FACE, WELDING NECK |
| Style Designator | RECTANGULAR, WITH BOLT HOLES |
| Bolt Hole Diameter | 0.213 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Neck Height | 0.395 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN |
| Flange Length | 1.376 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN |
| Reducer Flange Hole Type | CONCENTRIC |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 1.156 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Center to Center Distance Between Bolt Holes Along Width | 1.156 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Flange Width | 1.376 INCHES MINIMUM AND 1.436 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Thickness | 0.120 INCHES MINIMUM AND 0.140 INCHES MAXIMUM 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 |
|---|---|
| 9139M12P03 PRIMARY | General Electric Company (USA) |
NSN 4730-01-034-8494 is a Flange,pipe, manufactured by General Electric Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-034-8494 has 1 manufacturer part number on file: 9139M12P03 (General Electric Company).
Key specifications for 9139M12P03: Face Seating Surface Condition: MACHINED; Flange Section Style: PLAIN FACE, WELDING NECK; Style Designator: RECTANGULAR, WITH BOLT HOLES; Bolt Hole Diameter: 0.213 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN. 16 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.