The Flange,pipe,swivel Retaining, cataloged under National Stock Number 4730-01-444-9472, 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 13 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-444-9472 |
| Item Name | Flange,pipe,swivel Retaining |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flange Diameter | 4.500 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Socket Depth | 0.168 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 3.000 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE, SOCKET NECK |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Diameter | 0.328 INCHES NOMINAL IN |
| Recess Diameter | 3.791 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Bolt Circle Diameter | 4.312 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| Thickness | 0.297 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 |
| Reference | Meaning |
|---|---|
| SAE-AS4875 | 5/1 Secondary reference Sae International Dba Sae International |
| MS20756-D48 | 2/2 Government specification standardization U.S. Government activity |
| AS4875 | 5/1 Secondary reference Sae International Dba Sae International |
| AS4875 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-444-9472 is a Flange,pipe,swivel Retaining, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-444-9472: Flange Diameter: 4.500 INCHES NOMINAL IN; Face Seating Surface Condition: MACHINED; Socket Depth: 0.168 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 3.000 INCHES NOMINAL IN. 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.