| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.110 INCHES MINIMUM FIRST HOLE AND 1.142 INCHES MAXIMUM FIRST HOLE |
| AASB |
FASTENER LENGTH |
1.265 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
0.938 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL AND STEEL COMP 6150 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES NOMINAL FIRST HOLE |
| AAWU |
SINGLE SHEAR STRENGTH |
4650 POUNDS PER SQUARE INCH |
| FEAT |
SPECIAL FEATURES |
COTTER PIN HOLE NOT INCLUDED |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AATB |
WIDTH BETWEEN FLATS |
0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.327 INCHES MINIMUM AND 0.374 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
