The Flange,pipe, cataloged under National Stock Number 4730-00-568-3680, 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 Boeing Company Div Legacy Am&m. Government technical data includes 17 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 | 4730-00-568-3680 |
| Primary Part Number | 172-48059 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Flange Diameter | 4.125 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, RAISED NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.098 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-225/2,ALLOY 3003 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 1.313 INCHES IN |
| Reducer Flange Hole Type | CONCENTRIC |
| Bolt Hole Quantity | 8 |
| Bolt Circle Diameter | 3.125 INCHES NOMINAL IN |
| Raised Face Diameter | 1.750 INCHES NOMINAL IN |
| Raised Face Height | 0.063 INCHES NOMINAL IN |
| Screw Thread Series Designator | UN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | ALUMINUM ALLOY |
| Furnished Items | GASKET |
| Thickness | 0.250 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 |
|---|---|
| 172-48059 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 4730-00-568-3680 is a Flange,pipe, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-568-3680 has 1 manufacturer part number on file: 172-48059 (The Boeing Company Div Legacy Am&m).
Key specifications for 172-48059: Flange Diameter: 4.125 INCHES NOMINAL IN; Flange Section Style: RAISED FACE, RAISED NECK; Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Bolt Hole Diameter: 0.098 INCHES NOMINAL IN. 17 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.