The Ferrule,brazing,tube Fitting, cataloged under National Stock Number 4730-00-396-5375, 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 United Tool & Die Company. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-396-5375 |
| Primary Part Number | 222566 |
| Item Name | Ferrule,brazing,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The United Tool & Die Company |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 321 |
| Hose/tube Outside Diameter for Which Designed | 0.500 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 |
|---|---|
| 222566 | The United Tool & Die Company (USA) |
| Reference | Meaning |
|---|---|
| 222566 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 222566 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 4730-00-396-5375 is a Ferrule,brazing,tube Fitting, manufactured by The United Tool & Die Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-396-5375 has 1 manufacturer part number on file: 222566 (The United Tool & Die Company).
Key specifications for 222566: Overall Length: 0.250 INCHES NOMINAL IN; Surface Treatment: PASSIVATE; Material: STEEL COMP 321; Hose/tube Outside Diameter for Which Designed: 0.500 INCHES NOMINAL IN. 3 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.