| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.469 INCHES NOMINAL |
| AAVZ |
GROOVE DIAMETER |
0.136 INCHES MINIMUM AND 0.146 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.375 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.094 INCHES NOMINAL |
| AASK |
HEAD STYLE |
BUTTON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-B-6812 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4037 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
125000 POUNDS PER SQUARE INCH |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AASA |
THREAD LENGTH |
0.250 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
3A |
