fittings › tube reducers
AN919-19D
Fitting
Description
Reducer
Specifications
| Alternate Item Number | AS5174D1208 1/ |
|---|---|
| Connection Style | Flared (tube) 1st end, Flared (tube) 2nd end |
| Connection Type | Flare Type, Threaded external tube 1st end, Threaded external tube 2nd end |
| Dimension E | 1.375 in |
| Dimension S | 57/64 in |
| Dimension W | 1 57/64 in |
| Flare Angle | 37 º |
| Industry Standards/Certification | AN919 |
| Material | Aluminum |
| Material Specification | Qq-a-225/4 alloy 2014 fed spec single material response and qq-a-225/6 alloy 2024 fed spec single material response and qq-a-367 comp 2014 fed spec single material response |
| NIIN | 00-684-7160 |
| NSN | 4730-00-684-7160 |
| Nominallength | 1.891 |
| Outside Diameter Tube Accommodated | 0.500 inches 2nd end, 0.750 inches 1st end |
| Seat Angle | 37.0 degrees 1st end, 37.0 degrees 2nd end |
| Size No. Alum | 19D |
| Size No. Steel | 19 |
| Specification Data | 96906-ms24399 government standard |
| Surface Treatment | Anodize |
| Thread Class | 3a 1st end, 3a 2nd end |
| Thread Qty Per Inch (tpi) | 12 1st end |
| Thread Series Designator | Unj 1st end, Unjf 2nd end |
| Thread Size | 0.750 inches 2nd end, 1.062 inches 1st end |
| Thread T (Large End (Reference)) | 1 1/16-12 |
| Thread T (Small End (Reference)) | 3/4-16 |
| Tube O.D. | 3/4 1/2 |
| Tube Outside Diameter (Large End) | 0.750 in |
| Tube Outside Diameter (Small End) | 1/2 in |
| Weight | .005 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 AN919-19D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error