The Ferrule,swage,tube Coupling, cataloged under National Stock Number 4730-01-024-3787, 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 Hydraflow. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-024-3787 |
| Primary Part Number | 12F70-64AE |
| Item Name | Ferrule,swage,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hydraflow |
| Status | ACTIVE |
| Slot Quantity | 6 |
| Style Designator | SINGLE FLANGE |
| Flange Inside Diameter | 3.980 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN |
| Sleeve Outside Diameter | 4.134 INCHES MINIMUM AND 4.154 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Slot Depth | 0.031 INCHES NOMINAL IN |
| Flange Width | 0.060 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 |
| Flange Outside Diameter | 4.334 INCHES MAXIMUM IN |
| Slot Width | 0.055 INCHES MINIMUM AND 0.065 INCHES MAXIMUM 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 |
| Part Number | Manufacturer |
|---|---|
| 12F70-64AE PRIMARY | Hydraflow (USA) |
| S3052-64DE | Transdigm Inc Div Adelwiggins Group (USA) |
| GC550KJ64F | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 7D0256 | D/9 Drawing number reference only U.S. Government activity |
| S3052-(SIZE)DE | D/9 Drawing number reference only Transdigm Inc Div Adelwiggins Group |
| 7D0256-2 | 5/2 Secondary reference U.S. Government activity |
NSN 4730-01-024-3787 is a Ferrule,swage,tube Coupling, manufactured by Hydraflow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-024-3787 has 3 manufacturer part numbers on file: 12F70-64AE (Hydraflow), S3052-64DE (Transdigm Inc Div Adelwiggins Group), GC550KJ64F (Northrop Grumman Systems Corporation).
5 possible matches (shared part number, not a government interchangeability claim): 4730-01-024-7934, 4730-01-024-9033, 4730-01-024-9034. Verify interchangeability with system specifications before substitution.
Key specifications for 12F70-64AE: Slot Quantity: 6; Style Designator: SINGLE FLANGE; Flange Inside Diameter: 3.980 INCHES MINIMUM AND 4.015 INCHES MAXIMUM IN; Overall Length: 0.732 INCHES MAXIMUM IN. 11 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.