MRC:
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.AAJF
Thread Direction:
Right-hand
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
0.425 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:
0.740 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Double hexagon extended washer
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
0.340 inches
Width Between Flats:
Between 0.304 inches and 0.313 inches
Extended Washer Diameter:
0.448 inches
Extended Washer Thickness:
0.070 inches
MRC:
The length of a straight line which passes through the center of the shoulder and terminates at the circumference.AATN
Shoulder Diameter:
0.3570 inches first shoulder and 0.3610 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:
0.315 inches first shoulder
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
0.062 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 holes provided.ASXK
Hole Quantity:
4
MRC:
Indicates the type of hole(s) provided in the item.BQDM
Hole Type:
Drilled
MRC:
The minimum and maximum pitch diameter limits of a nonstandard straight screw thread.CFSG
Nonstandard Thread Pitch Diameter:
+0.2213/+0.2238 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 style designation that most nearly corresponds to the appearance of the hole configuration.CRHC
Hole Configuration Style:
Hexagon longitudinal hole
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:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Iron alloy 660
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Passivate
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:
Uns
