| MRC |
Requirement Statement |
Characteristics |
| AAVR |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS |
0.094 INCHES NOMINAL |
| AASB |
FASTENER LENGTH |
1.188 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
20.0 ROCKWELL C MINIMUM OVERALL AND 26.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.188 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 1038 OVERALL OR STEEL COMP 1039 OVERALL OR STEEL COMP 1040 OVERALL OR STEEL COMP 1541 OVERALL OR STEEL COMP 1042 OVERALL OR STEEL COMP 1043 OVERALL OR STEEL COMP 1045 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
66 FED STD ALL MATERIAL RESPONSES OVERALL OR AISI ASSN STD ALL MATERIAL RESPONSES OVERALL OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| AAVQ |
RIB LENGTH |
0.125 INCHES NOMINAL |
| AAVP |
RIB MAJOR DIAMETER |
0.422 INCHES MINIMUM AND 0.432 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.407 INCHES MINIMUM FIRST SHOULDER AND 0.410 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
1.812 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
RIBBED FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.562 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL OR ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.625 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
