MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3a
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:
Between 0.669 inches and 0.719 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 3.679 inches and 3.709 inches
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Double hexagon w/hole
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
Between 0.425 inches and 0.445 inches
Width Between Flats:
Between 0.494 inches and 0.503 inches
Extended Washer Diameter:
Between 0.740 inches and 0.750 inches
Extended Washer Thickness:
Between 0.089 inches and 0.109 inches
MRC:
The length of a straight line which passes through the center of a hole,and terminates at the circumference.AAUB
Hole Diameter:
0.055 inches
MRC:
The length of a straight line which passes through the center of the grip,and terminates at the circumference.AAUR
Grip Diameter:
Between 0.4360 inches and 0.4370 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:
0.106 inches first hole
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:
0.438 inches
MRC:
A measurement of the longest dimension of the grip,in distinction from width.ANEE
Grip Length:
Between 2.990 inches and 3.010 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 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:
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):
180000 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:
39.0 rockwell c and 43.0 rockwell c
MRC:
The style designation that most nearly corresponds to the appearance of the hole configuration.CRHC
Hole Configuration Style:
Double hexagon longitudinal hole
MRC:
The distance from the shank hole centerline to the largest bearing surface of the head.CRZS
Distance From Head Largest Bearing Surface To Shank Hole Center:
3.445 inches first hole and 3.455 inches first hole
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
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:
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
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:
Cadmium
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Nas 672 assn standard single treatment response
MRC:
The specification,standard,drawing,or similar instrument that specifies environmental and performance requirements or test conditions under which an item is tested and establishes acceptable limits within which the item must conform identified by an alphabetic and/or numeric reference number. includes the commercial and government entity (cage) code of the entity controlling the instrument.TEST
Test Data Document:
81343-nas1069 standard (includes industry or association standards, individual manufactureer standards, etc.).
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
