MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3b
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:
The length of a straight line which passes through the center of a counterbored portion of a hole,and terminates at the circumference.AAWY
Counterbore Diameter:
0.890 inches and 0.900 inches boss
Nut Diameter:
Between 1.690 inches and 1.710 inches
MRC:
A measurement of the longest dimension of the nut,in distinction from width.ACVN
Nut Length:
Between 0.430 inches and 0.450 inches
MRC:
The length of a straight line which passes through the center of the boss,and terminates at the circumference.ADBN
Boss Diameter:
1.058 inches and 1.059 inches
Boss Thickness:
0.220 inches and 0.240 inches
MRC:
The measurement of the enlarged portion adjacent to the threaded portion of a nut,in distinction from height.ADFK
Nut Counterbore Depth:
0.220 inches and 0.240 inches boss
MRC:
The geometric configuration of the item when viewed in cross section.ANLR
Cross-sectional Shape:
Round boss
MRC:
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.BZRR
Thread Series:
Unef
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):
20
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Between 32.0 rockwell c and 48.0 rockwell c
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
0.875 inches
MRC:
The included angle of the countersink.CRSQ
Countersink Angle:
80.0 degrees and 100.0 degrees boss
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4340
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Ams 6415 assn standard single material response
