| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| AASU |
HEAD HEIGHT |
0.224 INCHES MINIMUM AND 0.245 INCHES MAXIMUM |
| ZZZX |
DEPARTURE FROM CITED DESIGNATOR |
AS MODIFIED BY SURFACE TREATMENT |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 4 STYLE |
| ABQJ |
POINT STYLE |
CUP |
| AATB |
WIDTH BETWEEN FLATS |
0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| AASK |
HEAD STYLE |
SQUARE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD ALL MATERIAL RESPONSES OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
| AAJD |
THREAD CLASS |
2A |
| CQFM |
HARDNESS RATING |
30.0 ROCKWELL C MINIMUM OVERALL AND 37.0 ROCKWELL C MAXIMUM OVERALL |
| AASA |
THREAD LENGTH |
1.330 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 1019 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1013 OVERALL OR STEEL COMP 1038 OVERALL OR STEEL COMP 1039 OVERALL OR STEEL COMP 1045 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1212 OVERALL OR STEEL COMP 1044 OVERALL OR STEEL COMP 1137 OVERALL OR STEEL COMP 1139 OVERALL OR STEEL COMP 1043 OVERALL OR STEEL COMP 1042 OVERALL OR STEEL COMP 1040 OVERALL OR STEEL COMP 1037 OVERALL OR STEEL COMP 1035 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1011 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1213 OVERALL OR STEEL COMP 1141 OVERALL OR STEEL COMP 1140 OVERALL OR STEEL COMP 1144 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AASB |
FASTENER LENGTH |
1.440 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |