MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 2A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.188 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
AASB | FASTENER LENGTH | 0.188 INCHES MINIMUM AND 0.204 INCHES MAXIMUM |
AASK | HEAD STYLE | FLAT CHAMFER |
AASL | HEAD DIAMETER | 0.250 INCHES NOMINAL |
AASU | HEAD HEIGHT | 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
ABQZ | INTERNAL DRIVE STYLE | SLOT |
AHYM | NOMINAL THREAD DIAMETER | 0.138 INCHES |
CMLP | THREAD QUANTITY PER INCH | 40 |
CQFM | HARDNESS RATING | 57.0 ROCKWELL B MINIMUM AND 74.0 ROCKWELL B MAXIMUM |
CYAU | SCREW MATERIAL | COPPER ALLOY |
CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 1/2 HARD ASSN STD SINGLE MATERIAL RESPONSE |
THSD | THREAD SERIES DESIGNATOR | UNF |