| MRC |
Requirement Statement |
Characteristics |
| AASA |
THREAD LENGTH |
0.662 INCHES MINIMUM AND 0.712 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.423 INCHES MINIMUM AND 1.453 INCHES MAXIMUM |
| SR-1 |
SPEC/STD CONTROLLING DATA |
|
| SFTT |
SURFACE TREATMENT |
CADMIUM AND CHROMATE OVERALL |
| AAUB |
HOLE DIAMETER |
0.055 INCHES NOMINAL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.375 INCHES |
| AASK |
HEAD STYLE |
BEVEL-CONICAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| CRHC |
HOLE CONFIGURATION STYLE |
ROUND LONGITUDINAL HOLE |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AAJD |
THREAD CLASS |
3A |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| MATT |
MATERIAL |
STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| AASL |
HEAD DIAMETER |
0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM |
| SR-1 |
MANUFACTURERS CODE |
81349 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
24 |
| CQFM |
HARDNESS RATING |
34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| ASXK |
HOLE QUANTITY |
4 |
| ASDB |
WIDTH ACROSS FLATS |
0.313 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| SR-1 |
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE |
B7838 |
| AASU |
HEAD HEIGHT |
0.375 INCHES NOMINAL |
| BQDM |
HOLE TYPE |
DRILLED |
