| END DIAMETER | 2.480 INCHES MINIMUM AND 2.500 INCHES MAXIMUM |
| BORE DIAMETER | 1.820 INCHES MINIMUM AND 1.840 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SPRING,RELIEF VALVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1075 NATIONAL STD SINGLE MATERIAL RESPONSE |
| MATERIAL HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SAE J403 NATIONAL STD SINGLE TREATMENT RESPONSE |