| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
28.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.812 INCHES MINIMUM AND 0.874 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
FLAT CHAMFER |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL COMP 4140 OVERALL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| AATN |
SHOULDER DIAMETER |
0.534 INCHES MINIMUM FIRST SHOULDER AND 0.539 INCHES MAXIMUM FIRST SHOULDER |
| AATX |
SHOULDER LENGTH |
0.495 INCHES NOMINAL FIRST SHOULDER |
| CWYB |
SHOULDER SHAPE |
RIBBED FIRST SHOULDER |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL AND CHROMATE OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
