DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SURFACE TREATMENT |
FASTENER LENGTH | 2.500 INCHES NOMINAL |
HARDNESS RATING | 23.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
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 1524 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1527 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1536 OR STEEL COMP 1037 OR STEEL COMP 1038 OR STEEL COMP 1039 OR STEEL COMP 1040 OR STEEL COMP 1541 OVERALL |
MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 90000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 5 GRADE |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 2 CL FE/ZN 13 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.250 INCHES MINIMUM |
THREAD QUANTITY PER INCH | 13 |
THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |