| SFTT |
SURFACE TREATMENT |
CADMIUM FASTENER |
| AAUM |
LOCKING FEATURE |
PATCH THREADS |
| AASK |
HEAD STYLE |
KNURLED NO. 5 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
MIL-F-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| AASU |
HEAD HEIGHT |
0.121 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNRC |
| CQBC |
MINIMUM TENSILE STRENGTH |
190000 POUNDS PER SQUARE INCH |
| AAJD |
THREAD CLASS |
3A |
| CQHQ |
MINIMUM YIELD STRENGTH |
170000 POUNDS PER SQUARE INCH |
| ASDB |
WIDTH ACROSS FLATS |
0.094 INCHES NOMINAL |
| CQFM |
HARDNESS RATING |
38.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATT |
MATERIAL |
STEEL UNS K03104 FASTENER |
| AASB |
FASTENER LENGTH |
0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.125 INCHES |
| ABQZ |
INTERNAL DRIVE STYLE |
HEXAGON |
| AASL |
HEAD DIAMETER |
0.198 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| MATT |
MATERIAL |
PLASTIC NYLON LOCKING FEATURE |
| AASA |
THREAD LENGTH |
0.450 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
QQ-P-416, TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE FASTENER OR AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| CMLP |
THREAD QUANTITY PER INCH |
40 |