fittings › straight pipe to boss adapters
AN816-6
Steel Fitting
Description
Adapter
Specifications
| Connection Style | Flare (tube) style 3 optional end 1st end swivel nut, Plain (pipe) 2nd end |
|---|---|
| Connection Type | Flared, Threaded internal pipe 2nd end, Threaded internal tube 1st end |
| Dimension G | 0.625 in |
| Dimension G Tolerance | +0.004 in |
| Dimension M | 1.375 in |
| Dimension M Tolerance | +0.016 in |
| Head Angle | 37 º |
| Industry Standards/Certification | AN816 |
| Length | 1.375 inches all ends |
| Material | Steel |
| Material Specification | Ams-s-6758 assn standard 1st material response or ams6370 assn standard 1st material response and ams6382 assn standard 2nd material response |
| Maximum Operating Pressure | 3000.0 pounds per square inch single response |
| NIIN | 00-289-0359 |
| NSN | 4730-00-289-0359 |
| Nominallength | 1.375 |
| Outside Diameter Tube Accommodated | 0.375 inches 1st end |
| Seat Angle | 45.0 degrees 1st end |
| Size No. Alum | 6D |
| Size No. Steel | 6 |
| Surface Treatment | Cadmium and oil |
| Surface Treatment Specification | Class 2 federal specification 1st treatment response and as4842/1 assn standard 2nd treatment response type 2 qq-p-416 |
| Thread Class | 3a all ends |
| Thread P (AMPT) | 0.250 |
| Thread P (AMPT) Tolerance | +0.016 |
| Thread Qty Per Inch (tpi) | 18 all ends |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) all ends |
| Thread Size | 0.563 inches all ends, 1/4 |
| Thread T (Reference) | 0.5625-18 |
| Tube O.D. | 3/8 |
| Tube Outside Diameter | 3/8 in |
| Weight | 0.06 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 AN816-6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error