fittings › pipe to tube tees
MS20825-4D
Military Standard Pipe To Tube Tee
Description
Tee
Specifications
| Connection Style | Flared (tube) 1st end, Flared (tube) 2nd end, Plain (pipe) 3rd end |
|---|---|
| Connection Type | Pipe to Tube, Threaded external pipe 3rd end, Threaded external tube 1st end, Threaded external tube 2nd end |
| Criticality Code Justification | Feat |
| 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 |
| End Application | Eagle f-15 aircraft |
| Industry Standards/Certification | MS20825 |
| Leg Length | 0.750 inches 3rd end, 0.859 inches 1st end |
| Material | Aluminum |
| Material Specification | Temper t6 federal specification 3rd material response temper t6 or t851 federal specification 2nd material response or qq-a-367 temper t6 federal specification 1st material response or qq-s-225/6 qq-a-225/4 |
| NIIN | 00-279-0456 |
| NSN | 4730-00-279-0456 |
| Outside Diameter Tube Accommodated | 0.250 inches 1st end, 0.250 inches 2nd end |
| Pipe Thread End P (ANPT) | 1/8 in |
| Seat Angle | 37.0 degrees 1st end, 37.0 degrees 2nd end |
| Special Features | Grumman a-10 aircraft;weapon system essential |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Mil-a-8625 military specification single treatment response inside, Mil-a-8625 military specification single treatment response outside |
| Thread Class | 3a 1st end, 3a 2nd end |
| Thread Series Designator | Npt 3rd end, Unf (fine thread) 1st end, Unf (fine thread) 2nd end |
| Thread Size | 0.125 inches 3rd end, 0.438 inches 1st end, 0.438 inches 2nd end |
| Thread T (Reference) | 7/16-20 |
| Tube Outside Diameter | 1/4 in |
| Weight | 0.025 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS20825-4D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error