MRC | Criteria | Characteristic |
---|
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.380 INCHES MINIMUM |
AASB | FASTENER LENGTH | 2.430 INCHES MINIMUM AND 2.490 INCHES MAXIMUM |
AASK | HEAD STYLE | HEXAGON |
AASU | HEAD HEIGHT | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
AATB | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.065 INCHES MINIMUM FIRST HOLE AND 0.072 INCHES MAXIMUM FIRST HOLE |
AAWC | FIRST DIAMETER FROM HEAD | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
AAWD | SECOND DIAMETER FROM HEAD | 0.194 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
AAWE | THIRD DIAMETER FROM HEAD | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
AAWF | FOURTH DIAMETER FROM HEAD | 0.194 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
AAWG | FIFTH DIAMETER FROM HEAD | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.210 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.530 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
AAWK | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.930 INCHES MINIMUM AND 0.970 INCHES MAXIMUM |
AAWL | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 2.070 INCHES MINIMUM AND 2.110 INCHES MAXIMUM |
AAWM | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER | 2.430 INCHES MINIMUM AND 2.490 INCHES MAXIMUM |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 28 |
CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.785 INCHES NOMINAL FIRST HOLE |
CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 5 |
MATT | MATERIAL | STEEL OVERALL |
MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNF |