The Tee,tube, cataloged under National Stock Number 4730-01-173-6907, 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 18 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-173-6907 |
| Primary Part Number | ST7M227T081010 |
| 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 | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES THIRD END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Leg Length | 1.200 INCHES NOMINAL THIRD END IN |
| Leg Length | 1.379 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.379 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.843 INCHES FIRST END IN |
| Nominal Thread Size | 0.718 INCHES SECOND END IN |
| Nominal Thread Size | 0.843 INCHES THIRD END IN |
| Seat Angle | 8.5 DEGREES ALL ENDS |
| Thread Class | 3B ALL ENDS |
| Thread Quantity Per Inch | 20 THIRD END |
| Thread Quantity Per Inch | 20 SECOND END |
| Thread Quantity Per Inch | 18 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 |
|---|---|
| ST7M227T081010 PRIMARY | The Boeing Company Div Defense (USA) |
| AE16425-8-10-10 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| R45140T-081010 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division (USA) |
| AP375T081010 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AFP2611T081010 | Aerofit, Llc (USA) |
| Reference | Meaning |
|---|---|
| TF375T081010 | C/1 Advisory reference — outside the item-of-supply concept Smiths Tubular Systems-Laconia, Inc. |
| ST7M227 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 4730-01-173-6907 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 4730-01-173-6907 has 5 manufacturer part numbers on file: ST7M227T081010 (The Boeing Company Div Defense), AE16425-8-10-10 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), R45140T-081010 (Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division), AP375T081010 (Sps Technologies, Llc Dba Airdrome Precision Components), AFP2611T081010 (Aerofit, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-252-0691. Verify interchangeability with system specifications before substitution.
Key specifications for ST7M227T081010: Connection Style: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES THIRD END IN. 18 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.