| SPECIAL FEATURES | ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS; THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES AND SHORE STATIONS OF THE US NAVY; CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS AND METALLURGICAL PROPERTIES WILL BE SPECIFIED FOR GOVERNMENT QAR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; 1.062 INCHES THICK; 0.875 INCH BOLT HOLE DIAMETER; 11.750 INCH BOLT CIRCLE DIAMETER; FLANGE RAISED HEIGHT 0.062 INCHES; FLANGE RAISED FACE DIAMETER 10.625 INCHES |
| MATERIAL | STEEL BODY |
| COBALT ALLOY SEAT |
| STEEL COMP 410 STEM |
| COBALT ALLOY DISK |
| MATERIAL DOCUMENT AND CLASSIFICATION | A105, GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| 66, AISI 410/SAE 51410 FED STD SINGLE MATERIAL RESPONSE STEM |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 150.0 POUNDS PER SQUARE INCH STEAM |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 500.0 DEG FAHRENHEIT STEAM |
| VALVE OPERATION METHOD | MANUAL |
| CONNECTION TYPE | FLANGE, ROUND W/HOLES |
| FLANGE DIAMETER | 13.500 INCHES |
| BOLT HOLE QUANTITY | 8 |
| FACE TO FACE DISTANCE | 11.500 INCHES |
| FLANGE FACE DESIGN | RAISED |
| STEM TYPE | RISING |
| BONNET TYPE | OUTSIDE SCREW-YOKE |
| BONNET ATTACHMENT METHOD | BOLTED |
| FEATURES PROVIDED | BONNET PACKING |
| NONDEFINITIVE SPEC/STD DATA | D COMPOSITION |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY TEMP RATING |
| CRITICALITY CODE JUSTIFICATION | FEAT |