| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.470 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| CQFM |
HARDNESS RATING |
80.0 ROCKWELL B NOMINAL OVERALL |
| AASU |
HEAD HEIGHT |
0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASK |
HEAD STYLE |
HEXAGON |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
SAE J429 GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATT |
MATERIAL |
STEEL OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
100000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
55000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.500 INCHES |
| ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE OR 2 GRADE |
| AATB |
WIDTH BETWEEN FLATS |
0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
ASTM B633 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SFTT |
SURFACE TREATMENT |
ZINC OVERALL |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.316 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
13 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
