The Ferrule,socket Welded,tube Fitti, cataloged under National Stock Number 4730-01-719-6531, 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 The Boeing Company Div Defense. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-719-6531 |
| Primary Part Number | ST7M197-28D |
| Item Name | Ferrule,socket Welded,tube Fitti |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Style Designator | FLARE |
| Material Document and Classification | AMS-QQ-A-225/8 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS-QQ-A-200/8 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| Sleeve Outside Diameter | 1.887 INCHES MINIMUM AND 1.892 INCHES MAXIMUM IN |
| Flange Width | 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Flange Outside Diameter | 2.030 INCHES MINIMUM AND 2.040 INCHES MAXIMUM IN |
| Hose/tube Outside Diameter for Which Designed | 1.750 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 |
|---|---|
| 63052-28B | Transdigm Inc Div Adelwiggins Group (USA) |
| ST7M197-28D PRIMARY | The Boeing Company Div Defense (USA) |
| VC013-28D PRIMARY | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| ST7M197 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-719-6531 is a Ferrule,socket Welded,tube Fitti, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-719-6531 has 3 manufacturer part numbers on file: 63052-28B (Transdigm Inc Div Adelwiggins Group), ST7M197-28D (The Boeing Company Div Defense), VC013-28D (Hydraflow).
Key specifications for ST7M197-28D: Style Designator: FLARE; Material Document and Classification: AMS-QQ-A-225/8 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR AMS-QQ-A-200/8 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.165 INCHES NOMINAL IN; Sleeve Outside Diameter: 1.887 INCHES MINIMUM AND 1.892 INCHES MAXIMUM IN. 7 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 4730-01-719-6531 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.