The Tee,tube, cataloged under National Stock Number 4730-01-074-6558, 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 29 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-074-6558 |
| Primary Part Number | ST7M230T8 |
| 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) THIRD END |
| Connection Style | SWIVEL NUT INVERTED FLARE (TUBE) FIRST END |
| Connection Style | INVERTED FLARE (TUBE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Material Document and Classification | AMS4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Leg Length | 0.824 INCHES NOMINAL SECOND END IN |
| Leg Length | 1.045 INCHES NOMINAL FIRST END IN |
| Leg Length | 0.824 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.719 INCHES SECOND END IN |
| Nominal Thread Size | 0.719 INCHES FIRST END IN |
| Nominal Thread Size | 0.719 INCHES THIRD END IN |
| Seat Angle | 8.5 DEGREES FIRST END |
| Seat Angle | 8.5 DEGREES SECOND END |
| Seat Angle | 8.5 DEGREES THIRD END |
| Thread Class | 3A SECOND END A |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B FIRST END |
| Thread Quantity Per Inch | 20 THIRD END |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | TITANIUM OVERALL |
| Thread Series Designator | UNJS SECOND END |
| Thread Series Designator | UNJS FIRST END |
| Thread Series Designator | UNJS THIRD 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 |
|---|---|
| R44133T-08 | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AE16197-8 | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AP378T08 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| TF378T08 | Smiths Tubular Systems-Laconia, Inc. (USA) |
| GT515AW8 | Northrop Grumman Systems Corporation (USA) |
| ST7M230T8 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10108509 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M230 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-074-6558 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 4730-01-074-6558 has 6 manufacturer part numbers on file: R44133T-08 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AE16197-8 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), AP378T08 (Sps Technologies, Llc Dba Airdrome Precision Components), TF378T08 (Smiths Tubular Systems-Laconia, Inc.), GT515AW8 (Northrop Grumman Systems Corporation) and 1 more.
Key specifications for ST7M230T8: Connection Style: INVERTED FLARE (TUBE) THIRD END; Connection Style: SWIVEL NUT INVERTED FLARE (TUBE) FIRST END; Connection Style: INVERTED FLARE (TUBE) SECOND END; Connection Type: THREADED EXTERNAL TUBE THIRD END. 29 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.