| MRC |
Requirement Statement |
Characteristics |
| MATT |
MATERIAL |
STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8740 OR STEEL COMP 8735 OR STEEL COMP 6150 OR STEEL COMP 4037 OVERALL |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASB |
FASTENER LENGTH |
4.276 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASA |
THREAD LENGTH |
0.276 INCHES MINIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AASK |
HEAD STYLE |
DISHED HEXAGON |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AAUR |
GRIP DIAMETER |
0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
4.000 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
