| MRC |
Requirement Statement |
Characteristics |
| AATC |
EXTENDED WASHER DIAMETER |
0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.074 INCHES MINIMUM |
| AASB |
FASTENER LENGTH |
1.716 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.312 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON EXTENDED WASHER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE J429, GRADE 8 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.125 INCHES MINIMUM AND 1.405 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
