| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
3.750 INCHES NOMINAL FIRST HOLE |
| AASB |
FASTENER LENGTH |
3.880 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
25.0 ROCKWELL C MINIMUM OVERALL AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.015 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 1037 OVERALL OR STEEL COMP 1042 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
130000 POUNDS PER SQUARE INCH |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.070 INCHES MINIMUM FIRST HOLE AND 0.078 INCHES MAXIMUM FIRST HOLE |
| AAWU |
SINGLE SHEAR STRENGTH |
130000 POUNDS PER SQUARE INCH |
| FEAT |
SPECIAL FEATURES |
UNTHREADED SHANK AT THREADED END OF SCREW IS 0.380 IN. LG,2.65 IN. DIAM. AND UNTHREADED HOLE IS CENTERED 0.130 IN. FROM END OF SHANK |
| AATB |
WIDTH BETWEEN FLATS |
0.628 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| AASK |
|
|
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
2.000 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
