fittings › straight pipe to boss adapters
AN816-6-6
Steel Nipple
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 | 0.750 in |
| Dimension G Tolerance | +0.004 in |
| Dimension M | 1.406 in |
| Dimension M Tolerance | +0.016 in |
| Head Angle | 37 º |
| Industry Standards/Certification | AN816 |
| Material | Steel |
| NIIN | 00-187-0844 |
| NSN | 4730-00-187-0844 |
| Nominallength | 1.406 |
| Size No. Alum | 6-6D |
| Size No. Steel | 6-6 |
| Special Features | Center wrenching facility |
| Specification Data | 88044-an816 government standard and 81343-as4842/1 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Thread Class | 3a 2nd end |
| Thread P (AMPT) | 0.375 |
| Thread P (AMPT) Tolerance | +0.016 |
| Thread Series Designator | Anpt 1st end, Unjf 2nd end |
| Thread Size | 0.375 inches 1st end, 0.562 inches 2nd end, 3/8 |
| Thread T (Reference) | 0.5625-18 |
| Tube O.D. | 3/8 |
| Tube Outside Diameter | 3/8 in |
| Weight | 0.08 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN816-6-2
- AN816-6-2D
- AN816-6-6
- AN816-6-6D
- AN816-6-6J
- AN816-6-8D
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN816-6-6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error