The Tee,tube to Boss, cataloged under National Stock Number 4730-01-199-5707, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-199-5707 |
| Primary Part Number | ST7M220T081008 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARELESS (TUBE) THIRD END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Nominal Thread Size | 0.719 INCHES FIRST END IN |
| Nominal Thread Size | 0.844 INCHES SECOND END IN |
| Nominal Thread Size | 0.719 INCHES THIRD END IN |
| Seat Angle | 8.5 DEGREES FIRST END |
| Seat Angle | 8.5 DEGREES THIRD END |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 20 THIRD END |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 18 SECOND END |
| Material | TITANIUM 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 |
|---|---|
| ST7M220T081008 PRIMARY | The Boeing Company Div Defense (USA) |
| R45111T-081008 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AE16171-8-10-8 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| AP360T081008 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| AFP2606T081008 | 5/9 Secondary reference Martex Corp |
NSN 4730-01-199-5707 is a Tee,tube to Boss, manufactured by The Boeing Company Div Defense, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-199-5707 has 4 manufacturer part numbers on file: ST7M220T081008 (The Boeing Company Div Defense), R45111T-081008 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AE16171-8-10-8 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), AP360T081008 (Sps Technologies, Llc Dba Airdrome Precision Components).
Key specifications for ST7M220T081008: Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: FLARELESS (TUBE) THIRD END; Connection Style: FLARELESS (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE THIRD END. 19 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.