fittings › straight pipe to boss adapters
AN816-4J
Adapter
Description
Adapter
Specifications
| Connection Style | Flared w/ gasket seal (boss) 2nd end, Plain (pipe) 1st end |
|---|---|
| Connection Type | Flared, Threaded external boss 2nd end, Threaded external pipe 1st end |
| Dimension G | 0.500 in |
| Dimension G Tolerance | -0.004 in |
| Dimension M | 1.109 in |
| Dimension M Tolerance | +0.016 in |
| End Application | Grumman a-10a acft. |
| Head Angle | 37 º |
| Industry Standards/Certification | AN816 |
| Material | CRES |
| Material Specification | Ams-qq-s-763 assn standard single material response or ams 5639 assn standard single material response |
| NIIN | 00-698-4035 |
| NSN | 4730-00-698-4035 |
| Nominallength | 1.109 |
| Size No. Alum | 4D |
| Size No. SS | 4J |
| Size No. Steel | 4 |
| Specification Data | 81343 as5194 government standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-s-5002 military specification single treatment response inside, Ty2 military specification single treatment response outside e300 mil-f-14072 |
| Thread Class | 3a 2nd end |
| Thread P (AMPT) | 0.125 |
| Thread P (AMPT) Tolerance | +0.016 |
| Thread Series Designator | Anpt 1st end, Unjf (fine thread with external controlled root radius) 2nd end |
| Thread Size | 0.125 inches 1st end, 0.438 inches 2nd end, 1/8 |
| Thread T (Reference) | 0.4375-20 |
| Tube O.D. | 1/4 |
| Tube Outside Diameter | 1/4 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 AN816-4J. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error