fittings › pipe to tube tees
MS20826-4
Military Standard Pipe To Tube Tee
Description
Tee
Specifications
| Connection Style | Flared (tube) 1st end, Flared (tube) 3rd end, Plain (pipe) 2nd end |
|---|---|
| Connection Type | Threaded external pipe 2nd end, Threaded external tube 1st end, Threaded external tube 3rd end |
| Dimension Q | 0.859 in |
| Dimension Q Tolerance | -0 in |
| Dimension S | 0.750 in |
| Dimension S Tolerance | -0.000 in |
| Dimension V | 0.438 in |
| Dimension V Tolerance | +0.016 in |
| Industry Standards/Certification | MS20826 |
| Leg Length | 0.750 inches nominal 2nd end, 0.859 inches nominal 1st end, 0.859 inches nominal 3rd end |
| Material | Steel |
| Material Specification | 66 fed std all material responses |
| NIIN | 00-277-5037 |
| NSN | 4730-00-277-5037 |
| Outside Diameter Tube Accommodated | 0.250 inches 1st end, 0.250 inches 3rd end |
| Pipe Thread End P (ANPT) | 1/8 in |
| Seat Angle | 37.0 degrees 1st end, 37.0 degrees 3rd end |
| Special Features | Used on grumman a10 aircraft |
| Specification Data | 81343-as5198 government standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Ams2416 assn std single treatment response |
| Thread Class | 3a 1st end, 3a 3rd end |
| Thread Series Designator | Anpt 2nd end, Unjf 1st end, Unjf 3rd end |
| Thread Size | 0.125 inches 2nd end, 0.438 inches 1st end, 0.438 inches 3rd end |
| Thread T (Reference) | 7/16-20 |
| Tube Outside Diameter | 1/4 in |
| Weight | 0.065 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error