MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
2a
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
Between 0.565 inches and 0.594 inches
MRC:
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.AASB
Fastener Length:
Between 1.642 inches and 1.662 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Hexagon
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.178 inches and 0.202 inches
Width Between Flats:
0.500 inches
MRC:
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.AATN
Shoulder Diameter:
0.3070 inches first shoulder and 0.3090 inches first shoulder
MRC:
The length of the enlarged portion of the shank on the item,in distinction from width or diameter.AATX
Shoulder Length:
0.983 inches first shoulder and 0.992 inches first shoulder
MRC:
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.AHYM
Thread Diameter:
0.250 inches
MRC:
Those features,not otherwise specified,which may be required for proper functioning of the item.CBBL
Features Provided:
Casehardened
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
28
MRC:
The physical configuration of the unthreaded portion of a body adjacent to the head which is larger than the diameter of the shank.CWYB
Shoulder Shape:
Round first shoulder
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Unf
