| MRC |
Requirement Statement |
Characteristics |
| CRTM |
BEARING SURFACE TYPE |
WASHER FACED |
| CRSQ |
COUNTERSINK ANGLE |
109.75 DEGREES MINIMUM NUT AND 110.25 DEGREES MAXIMUM NUT |
| CQFM |
HARDNESS RATING |
27.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQJX |
NOMINAL THREAD SIZE |
0.625 INCHES |
| ADEA |
NUT HEIGHT |
0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| ACTA |
NUT STYLE |
SLOTTED, HEXAGON |
| BZRR |
THREAD SERIES |
UNJF |
| ASDB |
WIDTH ACROSS FLATS |
0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3B |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
