| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
1.234 INCHES MINIMUM AND 1.266 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
30.0 ROCKWELL C MINIMUM OVERALL AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 8640 OVERALL OR STEEL COMP 8740 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AATB |
WIDTH BETWEEN FLATS |
0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
