| MRC |
Requirement Statement |
Characteristics |
| CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
1.341 INCHES MINIMUM FIRST HOLE AND 1.371 INCHES MAXIMUM FIRST HOLE |
| CRSQ |
COUNTERSINK ANGLE |
99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.464 INCHES MINIMUM AND 1.511 INCHES MAXIMUM |
| AAUR |
GRIP DIAMETER |
0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| ANEE |
GRIP LENGTH |
1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| AASL |
HEAD DIAMETER |
0.502 INCHES NOMINAL |
| AASK |
HEAD STYLE |
FLAT COUNTERSUNK |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
OFFSET CRUCIFORM (TORQUE SET) |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.076 INCHES MINIMUM FIRST HOLE AND 0.084 INCHES MAXIMUM FIRST HOLE |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AAJD |
THREAD CLASS |
3A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.266 INCHES MINIMUM AND 0.333 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
