| SFTT |
SURFACE TREATMENT |
OXIDE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| AASA |
THREAD LENGTH |
0.760 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AATD |
EXTENDED WASHER THICKNESS |
0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| TEST |
TEST DATA DOCUMENT |
81343-AMS 2640 STANDARD |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES THREADS |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASB |
FASTENER LENGTH |
0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| MATT |
MATERIAL |
STEEL COMP 8740 OVERALL |
| CSYM |
SURFACE FINISH |
63.0 MICROINCHES BEARING SURFACE OF HEAD |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AATC |
EXTENDED WASHER DIAMETER |
0.438 INCHES NOMINAL |
| AATB |
WIDTH BETWEEN FLATS |
0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASU |
HEAD HEIGHT |
0.330 INCHES NOMINAL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |