The Coupling,tube, cataloged under National Stock Number 4730-01-472-6776, 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 15 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-472-6776 |
| Primary Part Number | 7M523T4 |
| Item Name | Coupling,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) FIRST END |
| Connection Style | DYNATUBE MECHANICAL SECOND END |
| Nominal Overall Length | 1.013 INCHES IN |
| Connection Type | UNTHREADED INTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Style Designator | DYNATUBE AND THREADED INTERNAL SWIVEL |
| Material Document and Classification | AMS 4965, 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 8.5 DEGREES FIRST END |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS FIRST END |
| 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 |
|---|---|
| 35260-04 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 7M523T4 PRIMARY | The Boeing Company Div Defense (USA) |
| MR54047T-04 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AP642T04 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| 4730PL1604800 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 35260-04 | 5/9 Secondary reference Stanley Harrison Corporation |
| 4730PL0572196 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 7M523 | 7/1 Vendor item drawing reference The Boeing Company Div Defense |
NSN 4730-01-472-6776 is a Coupling,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-472-6776 has 4 manufacturer part numbers on file: 35260-04 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 7M523T4 (The Boeing Company Div Defense), MR54047T-04 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AP642T04 (Sps Technologies, Llc Dba Airdrome Precision Components).
Key specifications for 7M523T4: Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) FIRST END; Connection Style: DYNATUBE MECHANICAL SECOND END; Nominal Overall Length: 1.013 INCHES IN; Connection Type: UNTHREADED INTERNAL TUBE SECOND END. 15 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.