fittings › boss reducers
AN919-7D
Aeronautical Standard Boss Reducer
Description
Fitting
Specifications
| Alternate Item Number | AS5174D0605 1/ |
|---|---|
| Alternate Part Number | AS5174D0605 |
| Connection Type | Flare Type |
| Dimension E | 0.813 in |
| Dimension S | 5/8 in |
| Dimension W | 1 13/32 in |
| Flare Angle | 37 º |
| Industry Standards/Certification | AN919 |
| Material | Aluminum |
| NIIN | 00-640-1218 |
| NSN | 4730-00-640-1218 |
| Thread T (Large End (Reference)) | 9/16-18 |
| Thread T (Small End (Reference)) | 1/2-20 |
| Tube Outside Diameter (Large End) | 3/8 in |
| Tube Outside Diameter (Small End) | 5/16 in |
| Weight | 0.035 lb |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for AN919-7D — functionally equivalent.
- AS5174D0605 Listed alternate 1/2 in · Aluminum
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Catalog data updated 2026-07-05. Report a data error