| AATN |
SHOULDER DIAMETER |
0.3090 INCHES MINIMUM FIRST SHOULDER AND 0.3110 INCHES MAXIMUM FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AAJD |
THREAD CLASS |
3A |
| AASL |
HEAD DIAMETER |
1.190 INCHES MINIMUM AND 1.230 INCHES MAXIMUM |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AATX |
SHOULDER LENGTH |
0.140 INCHES MINIMUM FIRST SHOULDER AND 0.150 INCHES MAXIMUM FIRST SHOULDER |
| MATT |
MATERIAL |
STEEL COMP 8740 OVERALL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| AASB |
FASTENER LENGTH |
0.540 INCHES MINIMUM AND 0.560 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.610 INCHES MINIMUM AND 0.630 INCHES MAXIMUM |
| FEAT |
SPECIAL FEATURES |
2 HOLES 0.096 IN. MIN,0.100 IN. MAX DIA,0.760 IN. MIN,0.800 IN. MAX APART THRU TOP OF HEAD |
| AASK |
HEAD STYLE |
ROUND W/WRENCH FLATS |
| AASA |
THREAD LENGTH |
0.318 INCHES MINIMUM AND 0.368 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| 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 |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASU |
HEAD HEIGHT |
0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |