| THSD |
THREAD SERIES DESIGNATOR |
UNJC |
| AATX |
SHOULDER LENGTH |
0.150 INCHES MINIMUM FIRST SHOULDER AND 0.160 INCHES MAXIMUM FIRST SHOULDER |
| AATC |
EXTENDED WASHER DIAMETER |
0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| AASA |
THREAD LENGTH |
0.273 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| ABQZ |
INTERNAL DRIVE STYLE |
W/O INTERNAL DRIVE |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AHYM |
NOMINAL THREAD DIAMETER |
0.164 INCHES |
| MATT |
MATERIAL |
STEEL OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AATB |
WIDTH BETWEEN FLATS |
0.212 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| AATN |
SHOULDER DIAMETER |
0.1705 INCHES MINIMUM FIRST SHOULDER AND 0.1725 INCHES MAXIMUM FIRST SHOULDER |
| AASB |
FASTENER LENGTH |
0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASU |
HEAD HEIGHT |
0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| CQFM |
HARDNESS RATING |
26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |