DIAMETER OF RECESSED PORTION OF SHANK | 0.221 INCHES MINIMUM AND 0.231 INCHES MAXIMUM |
HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM |
LENGTH OF RECESSED PORTION OF SHANK | 0.530 INCHES NOMINAL |
OVERALL LENGTH | 1.819 INCHES MINIMUM AND 1.839 INCHES MAXIMUM |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6382 ASSN STD 2ND MATERIAL RESPONSE OR AMS 6415 ASSN STD 3RD MATERIAL RESPONSE |
MATERIAL | STEEL COMP 8740 OR STEEL COMP 4140 OR STEEL COMP 4340 |
NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
NOMINAL THREAD SIZE | 0.312 INCHES STUD THREAD |
SPECIAL FEATURES | DIA. OF UNTHREADED SECTION 0.3125 INCH |
STYLE DESIGNATOR | RECESSED |
SURFACE FINISH | 32.0 MICROINCHES NUT THD |
SURFACE FINISH | 32.0 MICROINCHES STUD THD |
SURFACE FINISH | 63.0 MICROINCHES UNDERCUTS |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A NUT THREAD |
THREAD DIRECTION | RIGHT-HAND NUT THREAD |
THREAD DIRECTION | RIGHT-HAND STUD THREAD |
THREAD LENGTH | 0.462 INCHES MINIMUM AND 0.482 INCHES MAXIMUM NUT THREAD |
THREAD LENGTH | 0.619 INCHES MINIMUM AND 0.639 INCHES MAXIMUM STUD THREAD |
THREAD PITCH DIAMETERS | +0.2810 TO 0.2825 INCHES STUD THREAD |
THREAD SERIES DESIGNATOR | UNJF NUT THREAD |
THREAD SERIES DESIGNATOR | UNS STUD THREAD |
THREAD QUANTITY PER INCH | 18 STUD THREAD |
THREAD QUANTITY PER INCH | 24 NUT THREAD |