| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
3.625 INCHES NOMINAL FIRST HOLE |
| AASB |
FASTENER LENGTH |
4.000 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.500 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.750 INCHES |
| CXCY |
III PART NAME ASSIGNED BY CONTROLLING AGENCY |
NAVY SPECIAL PROJECT |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.125 INCHES NOMINAL FIRST HOLE |
| AATB |
WIDTH BETWEEN FLATS |
1.125 INCHES NOMINAL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.250 INCHES MINIMUM AND 1.450 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
10 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
