| MRC |
Requirement Statement |
Characteristics |
| MATT |
MATERIAL |
STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 6150 OR STEEL COMP 4130 OVERALL |
| FEAT |
SPECIAL FEATURES |
W/RETAINING ELEMENT ON SHANK |
| AATB |
WIDTH BETWEEN FLATS |
0.617 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
7.062 INCHES MINIMUM AND 7.078 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.438 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| AAJD |
THREAD CLASS |
3A |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| AASA |
THREAD LENGTH |
0.370 INCHES MINIMUM AND 0.483 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
7.448 INCHES MINIMUM AND 7.555 INCHES MAXIMUM FIRST HOLE |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| AASB |
FASTENER LENGTH |
7.645 INCHES MINIMUM AND 7.665 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.4358 INCHES MINIMUM AND 0.4367 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.220 INCHES MINIMUM AND 0.235 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD 63.0 MICROINCHES GRIP |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE |
