MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.440 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 0.680 INCHES NOMINAL |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
AASL | HEAD DIAMETER | 0.477 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 28 |
CQFM | HARDNESS RATING | 19.0 ROCKWELL C MINIMUM AND 28.0 ROCKWELL C MAXIMUM |
CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
CYAU | SCREW MATERIAL | STEEL |
THSD | THREAD SERIES DESIGNATOR | UNF |