| MATERIAL | STEEL CORROSION RESISTING |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | COLLAR |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD SIZE AND LOCATION | 0.190 INCHES SINGLE HOLE |
| OUTSIDE DIAMETER | 1.375 INCHES NOMINAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| SCREW THREAD QUANTITY PER INCH AND LOCATION | 24 SINGLE HOLE |
| SCREW THREAD SERIES DESIGNATOR AND LOCATION | SINGLE HOLE UNC |
| SECURING HOLE QUANTITY | 1 |
| SECURING HOLE TYPE AND LOCATION | THREADED-COUNTERBORED SINGLE HOLE |
| STYLE DESIGNATOR | PLAIN ROUND |
| THICKNESS | 0.500 INCHES NOMINAL |
| BORE DIAMETER | 0.566 INCHES MINIMUM AND 0.568 INCHES MAXIMUM |
| COUNTERBORE DIAMETER AND LOCATION | 0.344 INCHES NOMINAL SINGLE HOLE |
| CRITICALITY CODE JUSTIFICATION | ZZZY |