| MRC |
Requirement Statement |
Characteristics |
| AAJD |
THREAD CLASS |
2A |
| CWYB |
SHOULDER SHAPE |
ROUND FIRST SHOULDER |
| CQHQ |
MINIMUM YIELD STRENGTH |
132000 POUNDS PER SQUARE INCH |
| AATB |
WIDTH BETWEEN FLATS |
0.435 INCHES NOMINAL |
| STDC |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |
NAS672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| CQBC |
MINIMUM TENSILE STRENGTH |
220000 POUNDS PER SQUARE INCH |
| MATT |
MATERIAL |
STEEL OVERALL |
| THSD |
THREAD SERIES DESIGNATOR |
UNF |
| CRTL |
CRITICALITY CODE JUSTIFICATION |
MATT AND SFTT |
| AASB |
FASTENER LENGTH |
1.216 INCHES NOMINAL |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| CMLP |
THREAD QUANTITY PER INCH |
28 |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| AASK |
HEAD STYLE |
HEXAGON |
| SFTT |
SURFACE TREATMENT |
CADMIUM OVERALL |
| AASU |
HEAD HEIGHT |
0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| AATX |
SHOULDER LENGTH |
0.835 INCHES NOMINAL FIRST SHOULDER |
| AATN |
SHOULDER DIAMETER |
0.312 INCHES NOMINAL FIRST SHOULDER |
| AASA |
THREAD LENGTH |
0.375 INCHES NOMINAL |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| CQFM |
HARDNESS RATING |
46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
