| MRC |
Requirement Statement |
Characteristics |
| CRTM |
BEARING SURFACE TYPE |
CHAMFERED OR WASHER FACED |
| CQFM |
HARDNESS RATING |
24.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-A-194, REF 7 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 4140H OVERALL OR STEEL COMP 4142 OVERALL OR STEEL COMP 4142H OVERALL OR STEEL COMP 4145 OVERALL OR STEEL COMP 4145H OVERALL |
| CQJX |
NOMINAL THREAD SIZE |
0.312 INCHES |
| ADEA |
NUT HEIGHT |
0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM |
| ACTA |
NUT STYLE |
HEXAGON |
| FEAT |
SPECIAL FEATURES |
SURFACE TREATMENT SPEC IS DOD-P-16232 |
| BZRR |
THREAD SERIES |
UNC |
| ASDB |
WIDTH ACROSS FLATS |
0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
PHOSPHATE IRON OVERALL |
| AAJD |
THREAD CLASS |
2B |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
18 |
