| MRC |
Requirement Statement |
Characteristics |
| AASB |
FASTENER LENGTH |
0.500 INCHES NOMINAL |
| CBBL |
FEATURES PROVIDED |
FINISHED HEAD |
| CQFM |
HARDNESS RATING |
40.0 ROCKWELL C MINIMUM FASTENER AND 48.0 ROCKWELL C MAXIMUM FASTENER |
| AASU |
HEAD HEIGHT |
0.163 INCHES NOMINAL |
| AASK |
HEAD STYLE |
HEXAGON |
| MATT |
MATERIAL |
PLASTIC POLYAMIDE LOCKING FEATURE |
| MATT |
MATERIAL |
STEEL COMP 431 FASTENER |
| CQBC |
MINIMUM TENSILE STRENGTH |
180000 POUNDS PER SQUARE INCH |
| CQHQ |
MINIMUM YIELD STRENGTH |
140000 POUNDS PER SQUARE INCH |
| AHYM |
NOMINAL THREAD DIAMETER |
0.250 INCHES |
| AAUM |
LOCKING FEATURE |
PATCH THREADS OR STRIP THREADS |
| MDCL |
MATERIAL DOCUMENT AND CLASSIFICATION |
ASTM F593 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| AATB |
WIDTH BETWEEN FLATS |
0.437 INCHES NOMINAL |
| SFTT |
SURFACE TREATMENT |
PASSIVATE FASTENER |
| AAJD |
THREAD CLASS |
2A |
| AAJF |
THREAD DIRECTION |
RIGHT-HAND |
| AASA |
THREAD LENGTH |
0.400 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| CMLP |
THREAD QUANTITY PER INCH |
20 |
| THSD |
THREAD SERIES DESIGNATOR |
UNC |
