MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3a
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
Between 0.453 inches and 0.500 inches
Shoulder Thickness:
0.078 inches
MRC:
A measurement of the longest dimension of the shank,in distinction from width.AATR
Shank Length:
Between 2.891 inches and 2.938 inches
Eye Stock Thickness:
Between 0.120 inches and 0.130 inches
MRC:
The length of a straight line which passes through the center of a shoulder,and terminates at the circumference.AAVH
Shoulder Diameter:
0.500 inches
MRC:
The length of a straight line which passes through the center of the shank unthreaded hole,and terminates at the inside circumference.AAWB
Shank Unthreaded Hole Diameter:
0.066 inches first hole and 0.086 inches first hole
MRC:
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.ABHP
Overall Length:
3.656 inches
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:
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 maximum rated load in tension applied in a longitudinal direction,per unit of cross-sectional area,that the material can withstand without rupture.CQBC
Min. Tensile Strength (psi):
125000 pounds per square inch
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
26.0 rockwell c and 32.0 rockwell c
MRC:
The distance from the shank hole centerline to the threaded end.CTWF
Distance From Threaded End To Shank Hole Center:
0.734 inches first hole and 0.766 inches first hole
Eye Outside Width:
0.500 inches
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Round, closed w/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
