| AATC |
EXTENDED WASHER DIAMETER |
0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM |
| AAUB |
HOLE DIAMETER |
0.037 INCHES NOMINAL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CQFM |
HARDNESS RATING |
51.0 ROCKWELL C MINIMUM OVERALL AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
MIL-C-8837 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
0.891 INCHES MINIMUM AND 0.921 INCHES MAXIMUM |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CRHC |
HOLE CONFIGURATION STYLE |
DOUBLE HEXAGON LONGITUDINAL HOLE |
| AASA |
THREAD LENGTH |
0.506 INCHES MINIMUM AND 0.556 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.244 INCHES MINIMUM AND 0.264 INCHES MAXIMUM |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| ASXK |
HOLE QUANTITY |
4 |
| AATB |
WIDTH BETWEEN FLATS |
0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM |
| BQDM |
HOLE TYPE |
DRILLED |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| ANEE |
GRIP LENGTH |
0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |