| SFTT |
SURFACE TREATMENT |
OXIDE OVERALL |
| AASL |
HEAD DIAMETER |
0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNRF |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| CQFM |
HARDNESS RATING |
38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-C-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| AASA |
THREAD LENGTH |
1.000 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
170000 POUNDS PER SQUARE INCH |
| AAUB |
HOLE DIAMETER |
0.047 INCHES NOMINAL |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| BQDM |
HOLE TYPE |
DRILLED |
| FEAT |
SPECIAL FEATURES |
COLOR BLACK |
| AASB |
FASTENER LENGTH |
1.500 INCHES NOMINAL |
| ASDB |
WIDTH ACROSS FLATS |
0.187 INCHES NOMINAL |
| ASXK |
HOLE QUANTITY |
6 |
| CRHC |
HOLE CONFIGURATION STYLE |
ROUND INTERNAL HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |