| MRC |
Requirement Statement |
Characteristics |
| HUES |
COLOR |
RED TOP OF HEAD |
| CRSQ |
COUNTERSINK ANGLE |
100.0 DEGREES NOMINAL |
| AASB |
FASTENER LENGTH |
0.695 INCHES MINIMUM AND 0.725 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL B MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.223 INCHES NOMINAL |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP 4037 OR STEEL COMP 8740 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
150000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.138 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
SLOT |
| AATN |
SHOULDER DIAMETER |
0.141 INCHES MINIMUM AND 0.142 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.480 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416, TY 2, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AASA |
THREAD LENGTH |
0.255 INCHES MINIMUM AND 0.285 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
