| AATC |
EXTENDED WASHER DIAMETER |
0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM |
| AASA |
THREAD LENGTH |
0.475 INCHES MINIMUM AND 0.525 INCHES MAXIMUM |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
M-107,STANDARD PRESSED STEEL CO MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| AASU |
HEAD HEIGHT |
0.254 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| ANEE |
GRIP LENGTH |
1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| AAUR |
GRIP DIAMETER |
0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AASB |
FASTENER LENGTH |
1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| AATD |
EXTENDED WASHER THICKNESS |
0.042 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |