| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.750 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
60.6 ROCKWELL B MINIMUM OVERALL AND 67.6 ROCKWELL B MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 1010 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL |
| CQHQ |
MINIMUM YIELD STRENGTH |
26000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
| CTHW |
PRIMARY WASHER STYLE |
FLAT EXTERNAL TEETH |
| AAVW |
WASHER QUANTITY |
1 |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.650 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
