| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS 672 ASSN STD 1ST TREATMENT RESPONSE OVERALL OR MIL-C-8837 TYPE 2 CLASS 2 MIL SPEC 2ND TREATMENT RESPONSE OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| CSYM |
SURFACE FINISH |
32.0 MICROINCHES BEARING SURFACE OF HEAD |
| AATC |
EXTENDED WASHER DIAMETER |
0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
0.897 INCHES MINIMUM AND 0.927 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| ANEE |
GRIP LENGTH |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.069 INCHES NOMINAL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.387 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| MATT |
MATERIAL |
STEEL COMP H11 OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |