| CQFM |
HARDNESS RATING |
55.0 ROCKWELL C MINIMUM BEARING SURFACE OF HEAD |
| AHYM |
NOMINAL THREAD DIAMETER |
0.190 INCHES |
| AATN |
SHOULDER DIAMETER |
0.2485 INCHES MINIMUM FIRST SHOULDER AND 0.2500 INCHES MAXIMUM FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNJF |
| AASB |
FASTENER LENGTH |
1.014 INCHES MINIMUM AND 1.034 INCHES MAXIMUM |
| AAJD |
THREAD CLASS |
3A |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| AASA |
THREAD LENGTH |
0.415 INCHES MINIMUM AND 0.445 INCHES MAXIMUM |
| AATD |
EXTENDED WASHER THICKNESS |
0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| AATC |
EXTENDED WASHER DIAMETER |
0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| AATB |
WIDTH BETWEEN FLATS |
0.3125 INCHES NOMINAL |
| AASU |
HEAD HEIGHT |
0.293 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| MATT |
MATERIAL |
IRON ALLOY 660 OVERALL |
| AATX |
SHOULDER LENGTH |
0.589 INCHES MINIMUM FIRST SHOULDER AND 0.599 INCHES MAXIMUM FIRST SHOULDER |
| FEAT |
SPECIAL FEATURES |
IBEARING SURFACE OF HEAD NITRIDED CASE TO PRODUCED BY ION-NITRIDING; SURFACE OF SHOULDER CASE HARDEN PER P11TF2 CLA (NITRIDING) CAGEC 07482; SURFACES NOT TO BE NITRIDED MAY BE MASKED BY MECHANICAL MEANS |
| CMLP |
THREAD QUANTITY PER INCH |
32 |
| AASK |
HEAD STYLE |
DOUBLE HEXAGON W/HOLE |