The Ferrule,swage,tube Coupling, cataloged under National Stock Number 4730-00-277-1622, 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 10 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-00-277-1622 |
| Primary Part Number | LUW6303-48 |
| 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 |
| Style Designator | SINGLE FLANGE |
| Flange Inside Diameter | 2.970 INCHES NOMINAL IN |
| Sleeve Outside Diameter | 3.145 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Slot Depth | 0.031 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Flange Width | 0.065 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 |
| Flange Outside Diameter | 3.308 INCHES NOMINAL IN |
| Slot Width | 0.040 INCHES MINIMUM IN |
| Hose/tube Outside Diameter for Which Designed | 3.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LUW6303-48 PRIMARY | Middleton Enterprises, Inc Div Aero Tube & Connector Div. (USA) |
| S3052-48 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| Reference | Meaning |
|---|---|
| ST7M169-48D | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 4730-00-277-1622 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 4730-00-277-1622 has 2 manufacturer part numbers on file: LUW6303-48 (Middleton Enterprises, Inc Div Aero Tube & Connector Div.), S3052-48 (Transdigm Inc Div Adelwiggins Group).
Key specifications for LUW6303-48: Style Designator: SINGLE FLANGE; Flange Inside Diameter: 2.970 INCHES NOMINAL IN; Overall Length: 0.692 INCHES NOMINAL IN; Sleeve Outside Diameter: 3.145 INCHES NOMINAL IN. 10 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.
NSN 4730-00-277-1622 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.