The Coupling Assembly,tube,flexible, cataloged under National Stock Number 4730-01-313-6546, 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 5 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-313-6546 |
| Primary Part Number | 7M765-16D-1 |
| Item Name | Coupling Assembly,tube,flexible |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Tube Outside Diameter for Which Designed | 1.000 INCHES NOMINAL IN |
| Style Designator | FLEXIBLE COUPLING ASSEMBLY |
| Outside Diameter | 1.432 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY |
| Working Pressure and Service Type | 600.0 POUNDS PER SQUARE INCH (PSI) NOMINAL AIR LBS |
| 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 |
|---|---|
| 7M765-16D-1 PRIMARY | The Boeing Company Div Defense (USA) |
| 14C12-16A | Hydraflow (USA) |
| Reference | Meaning |
|---|---|
| W994BK16DE | 5/9 Secondary reference Transdigm Inc Div Adelwiggins Group |
| 14C12-16D | 5/9 Secondary reference Hydraflow |
| W904K16DE | 5/9 Secondary reference Transdigm Inc Div Adelwiggins Group |
| 10109043 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 7M550-16D1 | 5/9 Secondary reference The Boeing Company Div Defense |
| W991BK16DE | 5/9 Secondary reference Transdigm Inc Div Adelwiggins Group |
NSN 4730-01-313-6546 is a Coupling Assembly,tube,flexible, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-313-6546 has 2 manufacturer part numbers on file: 7M765-16D-1 (The Boeing Company Div Defense), 14C12-16A (Hydraflow).
Key specifications for 7M765-16D-1: Tube Outside Diameter for Which Designed: 1.000 INCHES NOMINAL IN; Style Designator: FLEXIBLE COUPLING ASSEMBLY; Overall Length: 1.490 INCHES NOMINAL IN; Outside Diameter: 1.432 INCHES NOMINAL IN. 5 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.