The Ferrule,swage,tube Coupling, cataloged under National Stock Number 4730-01-054-4437, 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 Middleton Enterprises, Inc Div Aero Tube & Connector Div.. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-054-4437 |
| Primary Part Number | LUW6303C-32 |
| Item Name | Ferrule,swage,tube Coupling |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Middleton Enterprises, Inc Div Aero Tube & Connector Div. |
| Status | ACTIVE |
| Slot Quantity | 5 |
| Style Designator | SINGLE FLANGE |
| Flange Inside Diameter | 1.985 INCHES NOMINAL IN |
| Sleeve Outside Diameter | 2.145 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Slot Depth | 0.031 INCHES NOMINAL IN |
| Flange Width | 0.045 INCHES NOMINAL IN |
| Material | STEEL COMP 630 |
| Flange Outside Diameter | 2.313 INCHES MAXIMUM IN |
| Slot Width | 0.040 INCHES NOMINAL IN |
| Hose/tube Outside Diameter for Which Designed | 2.000 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 |
|---|---|
| LUW6303C-32 PRIMARY | Middleton Enterprises, Inc Div Aero Tube & Connector Div. (USA) |
| 63152-32 | Transdigm Inc Div Adelwiggins Group (USA) |
| ST7M169-32C | The Boeing Company Div Defense (USA) |
| GC550CF32FC | Northrop Grumman Systems Corporation (USA) |
| 12F63-32C PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| GC550FC | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 4730-01-054-4437 is a Ferrule,swage,tube Coupling, manufactured by Middleton Enterprises, Inc Div Aero Tube & Connector Div., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-054-4437 has 5 manufacturer part numbers on file: LUW6303C-32 (Middleton Enterprises, Inc Div Aero Tube & Connector Div.), 63152-32 (Transdigm Inc Div Adelwiggins Group), ST7M169-32C (The Boeing Company Div Defense), GC550CF32FC (Northrop Grumman Systems Corporation), 12F63-32C (Hydraflow).
Key specifications for LUW6303C-32: Slot Quantity: 5; Style Designator: SINGLE FLANGE; Flange Inside Diameter: 1.985 INCHES NOMINAL IN; Overall Length: 0.695 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.