The Tee,tube, cataloged under National Stock Number 4730-01-237-2819, 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 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-237-2819 |
| Primary Part Number | ST7M233T040608 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Connection Style | INVERTED FLARE (TUBE) FIRST END |
| Connection Style | INVERTED FLARE (TUBE) SECOND END |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE THIRD END |
| Material Document and Classification | AMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Leg Length | 0.791 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.811 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.294 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Nominal Thread Size | 0.719 INCHES THIRD END IN |
| Seat Angle | 8.5 DEGREES ALL ENDS |
| Specification/standard Data | 76301-ST7-233 MANUFACTURERS STANDARD |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B THIRD END |
| Thread Quantity Per Inch | 20 THIRD END |
| Thread Quantity Per Inch | 24 SECOND END |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNJS ALL ENDS |
| 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 |
|---|---|
| R45132T040608 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| ST7M233T040608 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10108983 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M233 | 3/1 Design control — primary reference The Boeing Company Div Defense |
| AE16407-4-6-8 | 5/9 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
NSN 4730-01-237-2819 is a Tee,tube, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-237-2819 has 2 manufacturer part numbers on file: R45132T040608 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), ST7M233T040608 (The Boeing Company Div Defense).
Key specifications for ST7M233T040608: Connection Style: INVERTED FLARE (TUBE) FIRST END; Connection Style: INVERTED FLARE (TUBE) SECOND END; Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) THIRD END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 26 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.