The Ferrule,brazing,tube Fitting, cataloged under National Stock Number 4730-01-276-8746, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-276-8746 |
| Primary Part Number | 75D111256-2007 |
| Item Name | Ferrule,brazing,tube Fitting |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Seat Angle in Deg | 45.0 |
| Style Designator | FLARE |
| Sleeve Outside Diameter | 2.377 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Flange Width | 0.250 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING |
| Flange Outside Diameter | 3.000 INCHES NOMINAL IN |
| Hose/tube Outside Diameter for Which Designed | 1.500 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 |
|---|---|
| 75D111256-2007 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75D111256-2007 | 3/2 Design control — primary reference U.S. Government activity |
| 75D111256 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-276-8746 is a Ferrule,brazing,tube Fitting, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-276-8746 has 1 manufacturer part number on file: 75D111256-2007 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-278-1106. Verify interchangeability with system specifications before substitution.
Key specifications for 75D111256-2007: Seat Angle in Deg: 45.0; Style Designator: FLARE; Overall Length: 5.600 INCHES NOMINAL IN; Sleeve Outside Diameter: 2.377 INCHES NOMINAL IN. 8 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.