| STYLE DESIGNATOR | PLAIN THREADED |
| OVERALL HEIGHT | 2.375 INCHES NOMINAL |
| BODY STEPPED INSIDE DIAMETER | 1.375 INCHES NOMINAL FIRST STEP |
| 2.000 INCHES MINIMUM AND |
| 2.010 INCHES MAXIMUM SECOND STEP |
| 2.438 INCHES NOMINAL THIRD STEP |
| MATERIAL | COPPER ALLOY OR |
| STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-61 ASSN STD 1ST MATERIAL RESPONSE OR |
| MIL-S-867,CLASS 1 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
| SEATING SURFACE SHAPE | FLAT |
| THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
| NOMINAL THREAD SIZE | 2.625 INCHES SINGLE THREADED PORTION |
| THREAD QUANTITY PER INCH | 14 SINGLE THREADED PORTION |
| THREAD CLASS | 2A SINGLE THREADED PORTION |
| THREAD LENGTH | 2.000 INCHES NOMINAL SINGLE THREADED PORTION |
| SPECIAL FEATURES | TWO 0.375 IN. W 0.344 IN. H LUGS SPACED 180 DEG APART 0.031 IN. FROM SEAT BOTTOM |