| MRC |
Requirement Statement |
Characteristics |
| AAVR |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS |
0.840 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
3.000 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.310 INCHES NOMINAL |
| AASL |
HEAD DIAMETER |
1.170 INCHES MINIMUM AND 1.180 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 5140H OVERALL OR STEEL COMP 8740 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.750 INCHES |
| AAVQ |
RIB LENGTH |
0.740 INCHES NOMINAL |
| AAVP |
RIB MAJOR DIAMETER |
0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| AAVU |
RIB QUANTITY |
25 |
| AAVT |
RIB MINOR DIAMETER |
0.835 INCHES MINIMUM AND 0.845 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.870 INCHES MINIMUM FIRST SHOULDER AND 0.880 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.840 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
RIBBED FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,CL 1 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.470 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
16 |
