| MRC |
Requirement Statement |
Characteristics |
| AASA |
THREAD LENGTH |
0.357 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.189 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
| FEAT |
SPECIAL FEATURES |
W/RETAINING ELEMENT ON SHANK |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| AASB |
FASTENER LENGTH |
2.664 INCHES MINIMUM AND 2.684 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AATB |
WIDTH BETWEEN FLATS |
0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| ANEE |
GRIP LENGTH |
2.125 INCHES MINIMUM AND 2.141 INCHES MAXIMUM |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.549 INCHES MINIMUM AND 2.579 INCHES MAXIMUM FIRST HOLE |
| MATT |
MATERIAL |
STEEL COMP E4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 OR STEEL COMP 6150 OVERALL |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD 63.0 MICROINCHES GRIP |
| AAUR |
GRIP DIAMETER |
0.3733 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
