MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 2A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.500 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
AASK | HEAD STYLE | HEXAGON |
AASU | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
CBBL | FEATURES PROVIDED | FINISHED HEAD |
CMLP | THREAD QUANTITY PER INCH | 18 |
CQBC | MINIMUM TENSILE STRENGTH | 120000 POUNDS PER SQUARE INCH |
CQFM | HARDNESS RATING | 23.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL |
MATT | MATERIAL | STEEL OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL AND CHROMATE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNC |