The Ferrule,compression,tube Fitting, cataloged under National Stock Number 4730-01-522-6706, 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 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-522-6706 |
| Item Name | Ferrule,compression,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Seat Angle in Deg | 90.0 |
| Supplementary Features | MAX. OPERATING PRESSURE 125 PSI; PROOF PRESSURE 250 PSI; BURST PRESSURE MIN. AT ROOM TEMP. 375 PSI; NO. OF GROOVES 6 |
| Style Designator | FLARE |
| Flange Inside Diameter | 3.965 INCHES MINIMUM AND 3.985 INCHES MAXIMUM IN |
| Sleeve Outside Diameter | 4.290 INCHES NOMINAL IN |
| Seat Radius | 0.070 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | ANODIZE OR CHROMATE |
| Flange Width | 0.190 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Flange Outside Diameter | 4.780 INCHES NOMINAL IN |
| Hose/tube Outside Diameter for Which Designed | 4.000 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 |
|---|---|
| F1009A400 | C/1 Advisory reference — outside the item-of-supply concept Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| F1009A400 | 3/9 Design control — primary reference Eaton Aviation Corporation |
| 7D0197A64 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-522-6706 is a Ferrule,compression,tube Fitting, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-522-6706: Seat Angle in Deg: 90.0; Supplementary Features: MAX. OPERATING PRESSURE 125 PSI; PROOF PRESSURE 250 PSI; BURST PRESSURE MIN. AT ROOM TEMP. 375 PSI; NO. OF GROOVES 6; Style Designator: FLARE; Flange Inside Diameter: 3.965 INCHES MINIMUM AND 3.985 INCHES MAXIMUM IN. 12 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.