| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
3.019 INCHES NOMINAL FIRST HOLE |
| AASB |
FASTENER LENGTH |
3.220 INCHES MINIMUM AND 3.250 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.494 INCHES MINIMUM AND 0.495 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
2.500 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.250 INCHES MINIMUM AND 0.265 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-S-5626 FED SPEC 1ST MATERIAL RESPONSE OVERALL AND AMS6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL AND MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES NOMINAL FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TYPE II CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.735 INCHES NOMINAL |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
