| SHATTERPROOF FEATURE | NOT INCLUDED |
| CYLINDER STYLE DESIGNATOR | TUBULAR TYPE |
| DEPARTMENT OF TRANSPORTATION CYLINDER IDENTIFYING NUMBER | 3A1800 |
| MAXIMUM OPERATING PRESSURE | 1800.0 POUNDS PER SQUARE INCH |
| SPECIFIC GAS FOR WHICH DESIGNED | NITROGEN |
| CAPACITY RATING | 137.250 CUBIC INCHES NOMINAL |
| NECK THREAD LOCATION | INTERNAL |
| THREAD SIZE AND SERIES/TYPE DESIGNATOR | 1/2-14 NPT |
| NECK CLOSURE | NOT PROVIDED |
| CROSS SECTION OUTSIDE DIAMETER | 4.000 INCHES NOMINAL |
| OVERALL HEIGHT | 16.750 INCHES NOMINAL |
| MEDICAL DESIGNATION AND GRADE | TECHNICAL |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 28968 |
| DESIGN CONTROL REFERENCE | 8HD2250 |