| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
4.969 INCHES MINIMUM AND 5.031 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
95.0 ROCKWELL B MAXIMUM OVERALL |
| AASU |
HEAD HEIGHT |
0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM |
| AASL |
HEAD DIAMETER |
0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
BUTTON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
55000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.750 INCHES MINIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
