MRC |
Requirement Statement |
Characteristics |
AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
CQFM |
HARDNESS RATING |
80.0 ROCKWELL B MINIMUM OVERALL AND 100.0 ROCKWELL B MAXIMUM OVERALL |
AASU |
HEAD HEIGHT |
0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
AASK |
HEAD STYLE |
HEXAGON |
MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATT |
MATERIAL |
STEEL OVERALL |
CQBC |
MINIMUM TENSILE STRENGTH |
74000 POUNDS PER SQUARE INCH |
CQHQ |
MINIMUM YIELD STRENGTH |
57000 POUNDS PER SQUARE INCH |
AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
CTJJ |
PRIMARY WASHER MATERIAL THICKNESS |
0.023 INCHES MINIMUM AND 0.028 INCHES MAXIMUM |
CSPG |
PRIMARY WASHER OUTSIDE DIAMETER |
0.494 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
CTHW |
PRIMARY WASHER STYLE |
FLAT EXTERNAL TEETH |
AAVW |
WASHER QUANTITY |
1 |
AATB |
WIDTH BETWEEN FLATS |
0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS2400-1 ASSN STD 1ST TREATMENT RESPONSE OVERALL OR AMS2402-1 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
AAJD |
THREAD CLASS |
2A |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASA |
THREAD LENGTH |
0.400 INCHES NOMINAL |
CMLP |
THREAD QUANTITY PER INCH |
20 |
THSD |
THREAD SERIES DESIGNATOR |
UNC |