| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
2.787 INCHES MINIMUM FIRST HOLE AND 2.807 INCHES MAXIMUM FIRST HOLE |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
2.953 INCHES MINIMUM AND 3.000 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
2.178 INCHES MINIMUM AND 2.198 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
1.007 INCHES MINIMUM AND 1.017 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
160000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
CROSS RECESS TYPE 1 |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.106 INCHES NOMINAL FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| ZZZK |
SPECIFICATION/STANDARD DATA |
80205-NAS338 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES GRIP |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.755 INCHES MINIMUM AND 0.822 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
