| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.686 INCHES MINIMUM AND 0.706 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.086 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| CBBL |
FEATURES PROVIDED |
CASEHARDENED |
| CQFM |
HARDNESS RATING |
80.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.266 INCHES MINIMUM AND 0.289 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON EXTENDED WASHER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 1018 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| AAUM |
LOCKING FEATURE |
LOCKING TEETH BEARING SURFACE OF HEAD |
| AATB |
WIDTH BETWEEN FLATS |
0.491 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.532 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
