| FASTENER LENGTH | 2.906 INCHES MINIMUM AND 3.000 INCHES MAXIMUM | 
| FEATURES PROVIDED | FINISHED HEAD | 
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM  AND 34.0 ROCKWELL C MAXIMUM OVERALL | 
| HEAD HEIGHT | 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM | 
| HEAD STYLE | HEXAGON | 
| HOLE CONFIGURATION STYLE | HEXAGON FLATS | 
| HOLE DIAMETER | 0.062 INCHES NOMINAL | 
| HOLE QUANTITY | 1 | 
| HOLE TYPE | DRILLED | 
| MATERIAL | STEEL COMP 1013  OR STEEL COMP 1015  OR STEEL COMP 1016  OR STEEL COMP 1017  OR STEEL COMP 1018  OR STEEL COMP 1019  OR STEEL COMP 1020  OR STEEL COMP 1021  OR STEEL COMP 1022  OR STEEL COMP 1023  OR STEEL COMP 1025  OR STEEL COMP 1026  OR STEEL COMP 1029  OR STEEL COMP 1030  OR STEEL COMP 1033  OR STEEL COMP 1034  OR STEEL COMP 1035  OR STEEL COMP 1037  OR STEEL COMP 1038  OR STEEL COMP 1039  OR STEEL COMP 1040  OR STEEL COMP 1524  OR STEEL COMP 1527  OR STEEL COMP 1536  OR STEEL COMP 1541 OVERALL | 
| MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.375 INCHES | 
| NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 5 GRADE | 
| SURFACE FINISH | 63.0 MICROINCHES THREADS | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM  AND CHROMATE OVERALL | 
| THREAD CLASS | 2A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM | 
| THREAD QUANTITY PER INCH | 16 | 
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | 
| WIDTH BETWEEN FLATS | 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |